Climate Crisis Slides Climate Crisis
Environmental Science Unit 1
The Greenhouse Effect
How it works:
Solar radiation enters the atmosphere
Earth absorbs heat and radiates infrared energy
GHGs trap some of this heat
"Without the greenhouse effect, Earth would be too cold for life as we know it."
Atmospheric Blanket
Meet the Culprits
CO2
Carbon Dioxide
Sources: Fossil fuels, deforestation, respiration.
CH4
Methane
Sources: Agriculture (livestock), landfills, natural gas.
N2O
Nitrous Oxide
Sources: Fertilizers, industrial processes.
The Keeling Curve (Atmospheric CO2)
1960 1980 2000 2020 Present
CO2 levels have risen from 315 ppm to over 420 ppm since measurement began.
Global Impacts
Sea Level Rise
Melting ice caps and thermal expansion.
Extreme Weather
More frequent and intense storms and droughts.
Biodiversity Loss
Habitat destruction and ocean acidification.
What Can We Do?
Renewables
Solar, wind, and geothermal energy.
Efficiency
Reducing waste and improving technology.
Conservation
Protecting forests and restoring habitats.
Climate Crisis Notes Worksheet Climate Crisis Notes
Unit 1: Environmental Science
Name
Date
1. The Greenhouse Effect
The Greenhouse Effect is a _________________________ process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is _________________________ back to space and the rest is absorbed and re-radiated by _________________________ gases.
Sketch a diagram of the
Key Vocabulary Definitions:
Albedo: _________________________________________
Radiation: _______________________________________
Infrared: ________________________________________
2. Greenhouse Gas (GHG) Profile
Gas Name Chemical Formula Primary Source Carbon Dioxide Methane Nitrous Oxide
3. The Keeling Curve
The Keeling Curve shows the concentration of CO2 in the atmosphere. Why does the line "wiggle" up and down each year?
Sketch the curve here
Scientific Explanation:
4. Critical Thinking
Identify two ways global warming impacts local ecosystems:
List one renewable energy source and one major drawback it might have:
Source:
Drawback:
Climate Crisis Lab Rubric Lab Procedure
Bottled Greenhouse
SIMULATING CLIMATE CHANGE
Objective
To observe and compare how different "atmospheres" trap heat. We will simulate a standard atmosphere and one with high CO2 concentrations to measure temperature changes over time under a simulated "sun" (lamp).
Materials
• 2 clear plastic 2L bottles
• 2 thermometers
• Heat lamp (Sun surrogate)
• Baking soda & Vinegar (for CO2)
• Stopwatch
• Duct tape/Plastic wrap
Procedure
1
Label bottles "Control" and "Experimental". Cut the tops off or ensure thermometers are visible through the sides.
2
Place a thermometer in each bottle. Secure with tape so it is not touching the plastic directly.
3
Experimental: Add 2 tbsp baking soda and 1/2 cup vinegar to create CO2 gas. Seal the bottle immediately with plastic wrap.
4
Control: Seal with regular air inside. Place both bottles exactly 30cm away from the heat lamp.
5
Turn on the lamp and record the temperature every 2 minutes for 14 minutes total.
Observation Log
Time (min) Control Temp (°C) Experimental Temp (°C) 0 2 4 6 8 10 12 14
Results Graph
Create a line graph of your results. Use two colors and include a key.
Time (min)
Temp (°C)
Grading Rubric
Performance Area
Expert (4)
Proficient (3)
Developing (1-2)
Data Precision
All data points recorded with decimals and units where needed.
Most data points recorded correctly. Units present.
Missing multiple points; no units used.
Graphing
Scales correct; two colored lines; clear legend/key.
Both lines present; key is missing or labels incomplete.
Incorrect graph type or unlabelled axes.
Climate Crisis Modified Quiz Unit Checkpoint
CLIMATE CHANGE & HUMAN IMPACT
Name: _________________________________
Period: __________ Date: _____________
I Multiple Choice
1. Which gas is primarily responsible for the enhanced greenhouse effect caused by burning fossil fuels?
Oxygen (O2)
Nitrogen (N2)
Carbon Dioxide (CO2)
Helium (He)
2. How does the "Albedo Effect" relate to climate change in the Arctic?
Melting ice absorbs more heat because water is darker than ice.
Melting ice reflects more heat because it is smoother.
Ice increases the temperature by trapping heat under it.
3. Which of the following is a direct consequence of rising global temperatures?
Lower sea levels
Increased biodiversity
More extreme weather events
Decrease in atmospheric CO2
II Free Response
Explain the difference between weather and climate.
Describe one human activity that contributes to climate change and propose one realistic solution to mitigate its impact.
Master Answer Key Resource Answer Key Master
Unified Science Assessments
Teacher Resource
1. Climate Crisis Checkpoint
Q1: Carbon Dioxide (CO2)
Q2: Water absorbs more heat (lower albedo) than reflective ice.
Q3: More extreme weather events.
FR 1: Weather (Short-term/Daily); Climate (Long-term averages).
FR 2: Deforestation or Burning Fossil Fuels; Solution: Reforestation or Solar Energy.
2. Hidden Codes Quiz
Q1: Curly Hair (Observable trait).
Q2: Dominant Allele.
Matching: 1-C (Identical), 2-A (Different), 3-B (Segment of DNA).
Punnett Probability: 25% chance of yellow pod (gg).
Gg Genotype: 50% chance.
3. Force Frenzy Physics Test
Q1: Inertia.
Q2: 50N (Equal and opposite pair).
Q3: Double (Directly proportional F & a).
Math: F=ma; 27N = 3kg * a; a = 9 m/s².
Matching: 1-C, 2-A, 3-B.
4. Tiny Factories Cell Quiz
Q1: Mitochondria (ATP production).
Q2: Cell Wall (Support for plants).
Q3: Nucleus (DNA housing).
ID: Specimen A is a Plant Cell. Reason: Rigid cell wall / Chloroplasts present.
Matching: 1-C, 2-A, 3-B.
5. Element Empire Trends Test
Q1: Group.
Q2: Noble Gases (Stable).
Matching: 1-C (Size), 2-A (Greed), 3-B (Energy needed).
Logic 1: Element X (Group 1) is reactive. Group 18 is inert.
Logic 2: Elements in same group have same valence electrons.
6. Charged Up Ion Quiz
Q1: Cation (+).
Q2: Increases Up and to the Right.
Charges: K (1+), Ca (2+), O (2-), F (1-).
Logic 1: Sodium loses 1 e- to reach a stable shell of 8 (Neon config).
Logic 2: Neon is smaller/stable; electrons held tighter than Li (which has 1 valence e- in a new shell).
Hidden Codes Slides Hidden Codes
Genetics & Heredity Unit
What is Heredity?
Heredity is the passing of physical characteristics from parents to offspring.
The Blueprint:
Genes are sections of DNA
Alleles are different versions of a gene
Traits are the visible expressions
Traits are inherited
The Genetic Split
Genotype
The genetic makeup or allele combination.
Bb, TT, gg
Phenotype
The physical appearance or visible trait.
Blue eyes, Tall, Green
Predicting the Future
Punnett Square
A tool used to predict the possible genotypes and phenotypes of offspring from two parents.
B
b
B
BB
Bb
b
Bb
bb
The Power Play
T
Dominant Allele
The trait always shows up in the organism if the allele is present. (Capital letters)
t
Recessive Allele
The trait is masked if a dominant allele is present. Only shows if two are present.
Hidden Codes Notes Worksheet Hidden Codes Notes
Unit 2: Genetics & Heredity
Name
Date
1. Basics of Inheritance
Heredity is the ________________________________________________________________________________.
A gene is a section of ___________________ that codes for a specific ___________________.
Alleles are different ___________________ of the same gene.
2. The Genetic Split
Genotype
Definition: ________________________________________________________
Examples:
Phenotype
Definition: ________________________________________________________
Examples:
3. Punnett Square Power
Scenario: Cross a Heterozygous Tall plant (Tt) with a Homozygous Short plant (tt).
Parent 1
Parent 2
Genotype Ratio:
Phenotype Ratio:
Quick Check Challenge
Why can a child have a trait (like blue eyes) that neither parent physically shows? Use terms like carriers and recessive .
Hidden Codes Lab Rubric Lab Procedure
The DNA Extract
Strawberry Genomics
Objective
To successfully extract visible DNA strands from strawberry cells using chemical lysis and precipitation. Students will understand the role of detergents and alcohol in breaking down cell membranes and isolating genetic material.
Materials
• 1 Strawberry (fresh or frozen)
• Ziploc bag
• 10ml Extraction Buffer
• Coffee filter & funnel
• Chilled Isopropyl Alcohol (91%)
• Wooden skewer or glass rod
• Test tube or clear glass
Step-by-Step
1
Place strawberry in the bag, remove air, and mash thoroughly for 2 minutes to break cell walls.
2
Add 10ml of extraction buffer. Squeeze gently to mix. Avoid creating too many bubbles.
3
Filter the mixture through the coffee filter into a test tube until it is 1/3 full.
4
Slowly tilt the tube and pour an equal amount of ice-cold alcohol down the side.
5
Wait 60 seconds. A cloudy white layer will form. Use the skewer to spool the DNA!
Post-Lab Analysis
1. What was the purpose of the dish soap in the extraction buffer?
2. Why did the DNA become visible only after the alcohol was added?
3. Describe the physical appearance of the DNA you extracted.
Grading Rubric
Category Exceptional (5) Proficient (3) Incomplete (1) Execution Clear visible spooling of DNA; clean layers maintained. Visible DNA but layers are messy or fragmented. No DNA extracted; technique failed. Safety Station is spotless; all protocols followed strictly. Minor spill or untidy area at the end. Left mess; unsafe behavior exhibited. Analysis Thorough explanations using correct bio terms. Correct answers but lacks specific scientific detail. Incorrect, blank, or major misconceptions.
Hidden Codes Modified Quiz Genetics Quiz
Heredity & Traits
Name: _________________________________
SCORE: ________ / 20
Part I: Identify the Terms
1. Which of the following is an example of a PHENOTYPE?
Bb
Homozygous Recessive
Curly Hair
TT
2. An allele that is always expressed if present is called:
Recessive
Dominant
Genotype
Pedigree
Part II: Punnett Practice
In pea plants, Green pods (G) are dominant over yellow pods (g). Cross two heterozygous parents (Gg x Gg).
G g
G
g
What is the probability of having a yellow pod?
What percentage of offspring will be Gg?
Part III: Matching
____ 1. Homozygous
A. Two different alleles (Bb)
____ 2. Heterozygous
B. Segment of DNA coding for a trait
____ 3. Gene
C. Two identical alleles (BB or bb)
Force Frenzy Slides Force Frenzy
Newton's Laws of Motion
The Law of Inertia
An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an unbalanced force .
"Basically, objects are lazy! They want to keep doing what they're already doing."
Mass = Inertia
The Law of Acceleration
F = m × a
Force
Newtons (N)
Mass
Kilograms (kg)
Acceleration
m/s²
Action & Reaction
For every action , there is an equal and opposite reaction .
How it works:
Forces always come in pairs . If you push a wall, the wall pushes back on you with the same force!
Force Frenzy Notes Worksheet Force Frenzy Notes
Unit 3: Laws of Motion
Name
Date
1
Newton's First Law
Known as the Law of ______________________. Objects will resist a change in their ______________________.
Scenario: Inertia in Action
Why does a person keep moving forward when a car stops suddenly?
Key Relationship
The more ____________ an object has, the more ______________ it has.
2
Newton's Second Law
F = m × a
F = __________________
m = __________________
a = __________________
Problem Solving Space:
How much force is needed to accelerate a 5kg bowling ball at 2 m/s²?
Answer: _______________
3
Newton's Third Law
For every _____________________, there is an equal and opposite _____________________.
Action: Foot pushes
?
Reaction:
Force Frenzy Lab Rubric Lab Procedure
Ramp Racers
Testing Newton's 2nd Law
Question
"How does increasing the mass of an object affect its acceleration when a constant force is applied?"
Variables
Independent Variable: Mass of the car (number of washers)Dependent Variable: Time of travel / Calculated AccelerationControlled Constants: Ramp height, car type, surface friction
Equipment
• Toy car
• Adjustable ramp (books)
• Washers (weights)
• Stopwatch
• Electronic scale
Step-by-Step Procedure
1
Set up your ramp using books. Mark a "Finish Line" exactly 1 meter from the bottom edge of the ramp.
2
Measure the mass of the empty car in grams. Record it in the first row of your data table below.
3
Release the car. Start the stopwatch when the car hits the floor and stop it at the 1m line. Perform 3 trials for each weight.
4
Add 3 washers at a time to the car. Measure the new mass and repeat timing until you reach 9 washers.
Trial Results Data Table
Condition Mass (g) Avg Time (s) Observation Notes 0 Washers 3 Washers 6 Washers 9 Washers
Assessment Rubric
Criteria
Excellent (3)
Good (2)
Developing (1)
Data Logging
All masses and times recorded with precise units.
Most fields filled; some units missing.
Incomplete data or significantly messy.
Application of Law
Correctly describes inverse relationship between mass & accel.
Observes that more mass results in slower times.
Fails to connect results to Newton's Second Law.
Force Frenzy Modified Quiz Physics Unit Test
Newton's Laws & Force
Name: _________________________________
Score: ________ / 20
I Multiple Choice
1. Which property of an object describes its resistance to a change in motion?
Acceleration
Inertia
Friction
Velocity
2. According to Newton's Third Law, if you push a 100 kg rock with 50N of force, the rock pushes you with:
100N of force
50N of force
0N of force
5000N of force
3. If the mass of an object remains constant, but the force applied to it is doubled, the acceleration will:
Remain the same
Be cut in half
Double
Triple
Part II: Math Applications
Formula: Force = Mass × Acceleration (F = m × a)
A toy rocket has a mass of 3 kg. Its engine produces 27 N of force. What is the acceleration of the rocket? Show all steps of your work.
Workspace (Variables | Substitution | Answer with Units)
III Matching the Laws
____ 1. Newton's 1st Law
A. Acceleration depends on net force and mass.
____ 2. Newton's 2nd Law
B. Every action has an equal and opposite reaction.
____ 3. Newton's 3rd Law
C. Objects at rest stay at rest (Inertia).
Tiny Factories Slides Tiny Factories
Cell Structure & Function
The Building Blocks
The Cell Theory:
All living things are made of cells.
Cells are the basic unit of life.
All cells come from pre-existing cells.
Structure Meets
The Nucleus
Genetic Blueprint
THE BOSS
Acts as the brain of the cell. It holds the DNA and directs all growth and activity.
Found in Eukaryotic cells only
Plant vs. Animal Cells
Plant Cell
Cell Wall: Support & StructureChloroplasts: PhotosynthesisLarge Central Vacuole Rectangular Shape
Animal Cell
Cell Membrane Only No Chloroplasts Small, Multiple Vacuoles Irregular/Round Shape
Mitochondria
Powerhouse of the Cell
Transforms nutrients (glucose) into ATP energy through Cellular Respiration.
ATP
Cellular Fuel Output
The Tiny Factory Recap
Boss
Nucleus
Power
Mitochondria
Border
Cell Membrane
Solar
Chloroplasts
"Life is complex, but its foundations are cellular."
Tiny Factories Notes Worksheet Tiny Factories Notes
Unit 4: Cell Biology
Name
Date
1. Cell Theory Foundations
A. All living things are ______________________________________________________.
B. Cells are the basic unit of __________________________ and function.
C. New cells are produced from ______________________________________________.
2. Organelle Match-Up
Organelle Function (The "Job") Analogy Nucleus The Brain / Boss Cell Membrane The Security Guard Mitochondria The Power Plant Chloroplast Converts Sun -> Food The Solar Panel
3. Plant vs. Animal
Plant ONLY Structures:
Animal ONLY Differences:
Structural Workspace: The Cell Membrane
Draw the Phospholipid Bilayer & Label Parts
Tiny Factories Lab Rubric Lab Procedure
Microscopic World
Observing Living Cells
Scientific Objective
To observe the similarities and differences between plant cells (Onion) and animal cells (Cheek) under a light microscope. Students will identify key organelles and practice proper slide staining techniques.
Part A: Plant Cells
Peel a paper-thin layer of onion skin.
Place it on the slide and add 1 drop of Iodine .
Lower the coverslip gently at a 45° angle.
Observe first at 100x, then switch to 400x.
Part B: Animal Cells
Gently scrape the inside of your cheek with a clean toothpick.
Smear onto a drop of water on a fresh slide.
Add 1 drop of Methylene Blue stain.
Locate small, blue, irregular blobs at 400x.
Microscopic Observations
Onion Cells (400x)
Plant Specimen
Cheek Cells (400x)
Animal Specimen
Grading Rubric
Category 4 - Mastery 3 - Proficient 2 - Developing Observation Detail Sketches are highly detailed; nuclei and walls/membranes visible. Sketches are clear; basic cell shapes correctly represented. Sketches are vague, messy, or lack specific detail. Scientific Labeling Nucleus, Cell Wall (plant), and Membrane correctly identified in both. Correctly labeled most structures; minor labeling errors. Labels are missing or scientifically inaccurate.
Tiny Factories Modified Quiz Cell Structure Quiz
Biology Unit 4
Name: _________________________________
SCORE: ________ / 20
Part I: Organelle Functions
1. Which organelle is often called the "powerhouse" of the cell because it produces energy (ATP)?
Nucleus
Mitochondria
Vacuole
Ribosome
2. Which structure provides rigid support and protection for PLANT cells only?
Cell Membrane
Nucleus
Cell Wall
Chloroplast
3. Which part of the cell controls all activities and contains DNA?
Cytoplasm
Nucleus
Ribosome
Vacuole
Part II: Cell Identification
Specimen A
Is Specimen A a Plant or Animal cell?
List ONE structural reason why:
Part III: Matching
____ 1. Cell Membrane
A. Jelly-like fluid that fills the cell.
____ 2. Cytoplasm
B. Large storage area for water and nutrients.
____ 3. Vacuole
C. Controls what enters and leaves the cell.
Element Empire Slides Element Empire
Periodic Table Trends & Properties
The Map of Matter
Groups (Columns)
Vertical columns. Elements in a group share similar chemical properties .
Periods (Rows)
Horizontal rows. Properties change predictably as you move across.
Anatomy of an Element
6
C
Carbon
12.011
Atomic Number
Identifies the number of Protons . This defines the element's identity!
Atomic Mass
The total weight of Protons + Neutrons in the nucleus.
Periodic Table Trends
Atomic Radius
Size of the atom. Increases Down and to the Left .
Electronegativity
Greed for electrons. Increases Up and to the Right .
Atomic Radius INCREASES Electronegativity INCREASES
Chemical Families
Alkali
Metals
Li
Group 1. Highly reactive, soft, silvery metals. Explode in water!
Highly Reactive
Halogens
Cl
Group 17. Salt-formers. Highly reactive non-metals used in disinfectants.
Reactive Non-Metals
Noble
Gases
He
Group 18. Inert (non-reactive), stable, odorless gases. Fully satisfied shells.
Inert & Stable
Element Empire Notes Worksheet Element Empire Notes
Unit 5: Periodic Trends
Name
Date
1. Table Layout
GROUPS (Columns)
Run _____________________.
Elements in the same group have the same number of _____________________ electrons.
PERIODS (Rows)
Run _____________________.
Elements in the same period have the same number of _____________________ shells.
2. Periodic Trends Map
Draw arrows on the blank Periodic Table below to show how these properties INCREASE:
Periodic Table Outline
Electronegativity
Atomic Radius
Ionization Energy
3. Family Profiles
1
Alkali Metals:
Highly reactive, soft metals. Located in Group ______.
17
Halogens:
Extremely reactive non-metals. Located in Group ______.
18
Noble Gases:
Non-reactive/Stable gases. Located in Group ______.
Critical Checkpoint:
Why do Noble Gases typically not react with other elements? (Hint: Think about their valence shells).
Element Empire Lab Rubric Lab Procedure
Flame Tests
Emission Spectra & Identification
Objective
To identify unknown metal ions based on the characteristic color they emit when heated in a Bunsen burner flame. This lab demonstrates how electrons move between energy levels and why elements have unique "fingerprints."
Goggles required. Tie back hair. Open flame safety rules apply.
Materials
• Bunsen Burner & Striker
• Nichrome wire loops
• LiCl, NaCl, CuCl2, KCl
• Hydrochloric Acid (Cleaning)
Step-by-Step Procedure
1
Light Bunsen burner; adjust for blue inner cone.
2
Dip loop in cleaning acid, then flame until no color is added.
3
Dip clean loop into metal salt solution. Place in blue cone tip.
4
Observe immediate color change and record.
Data Table
Metal Ion Flame Color Observed Photon Energy Level Lithium (Li+) Sodium (Na+) Potassium (K+) Copper (Cu2+)
Assessment Rubric
Category
4 - Exceptional
3 - Proficient
2 - Developing
Observation
Precise color ID (e.g. crimson).
General color ID (e.g. red).
Incorrect or missing data.
Technique
Zero cross-contamination.
Minor color bleed noted.
Did not clean wire loop.
Element Empire Modified Quiz Chemistry Quiz
Periodic Table & Trends
Name: _________________________________
Score: ________ / 20
I Multiple Choice
1. Elements in the same vertical column are called a:
Period
Group
Row
Orbit
2. Which family of elements is known for being extremely non-reactive (stable)?
Alkali Metals
Halogens
Noble Gases
Transition Metals
Part II: Matching Trends
____ 1. Atomic Radius
A. Ability of an atom to attract shared electrons.
____ 2. Electronegativity
B. Energy needed to remove an electron.
____ 3. Ionization Energy
C. The physical size of the atom.
Part III: Application Logic
If Element X is in Group 1 and Element Y is in Group 18, which one is more likely to react with other elements? Why?
Briefly explain why elements in the same group have similar chemical properties.
Charged Up Slides Charged Up
Ions & Ionization Energy
The Quest for Eight
The Octet Rule
Atoms are most stable when they have a full outer shell (usually 8 valence electrons).
"Noble Gases are already 'perfect'. Every other atom is just trying to be like them."
NUCLEUS
Stable Atom
Two Ways to Charge
Cation
Formed when an atom LOSES electrons. Becomes Positively Charged .
Typically Metals
Anion
-
Formed when an atom GAINS electrons. Becomes Negatively Charged .
Typically Non-Metals
Ionization Energy
The Removal Cost
The energy required to snatch an electron away from an atom.
Increases Up & Right
Predicting Ion Charges
Group 1
1+
Loses 1 e-
Group 2
2+
Loses 2 e-
Group 16
2-
Gains 2 e-
Group 17
1-
Gains 1 e-
Charged Up Notes Worksheet Charged Up Notes
Unit 5 Extension: Ions & Ionization
Name
Date
1. The Octet Rule
Atoms form ions to achieve a __________________________ outer shell, which usually contains ________ valence electrons. This state is chemically __________________________.
2. Cations vs. Anions
CATION (+)
How it forms: ________________________________
Type of Element: _____________________________
Mnemonic: "Ca+ion has a plus sign in it!"
ANION (-)
How it forms: ________________________________
Type of Element: _____________________________
Mnemonic: "A Negative ION"
3. Ionization Energy
Definition: _____________________________________________________________________________________________
PT Trend Map
Across a Period:
Down a Group:
4. Ion Formation Master Table
Element Group # Valence e- Gain or Lose? Final Charge Sodium (Na) Chlorine (Cl) Magnesium (Mg) Oxygen (O) Potassium (K) Aluminum (Al)
Charged Up Lab Rubric Lab Procedure
Conductivity Quest
Testing for Free Ions
Objective
To determine which types of substances produce free ions in water by testing their electrical conductivity. Students will compare ionic and covalent compounds and understand the role of electrolytes in a solution.
SAFETY WARNING: Electrical hazard. Do not touch electrodes while power is on. Goggles required. Handle glassware with care.
Equipment List
• Conductivity Meter (LED)
• 4 Beakers (100ml)
• Distilled Water (DI)
• Table Salt (NaCl)
• Table Sugar (Sucrose)
• Vinegar (Acetic Acid)
Step-by-Step Procedure
1
Prepare 4 beakers with exactly 50ml of distilled water each. Label beakers A through D.
2
Test Beaker A (Pure DI Water) first. Record the LED status in your observation log.
3
Add 1 tsp of salt to B, sugar to C, and vinegar to D. Stir each until completely dissolved.
4
Test each solution. Crucial: Rinse electrodes with DI water between every single test!
Observation Log
Substance Tested LED Status (Off / Dim / Bright) Ions Present? (Yes / No) Distilled Water Salt Water (NaCl) Sugar Water Vinegar Solution
Scientific Analysis Workspace:
Explain why the salt solution conducted electricity while the sugar solution did not, even though both substances dissolved completely in water.
Grading Rubric
Criteria
Expert (4)
Proficient (3)
Developing (1-2)
Data Precision
All LED levels precisely described; ions correctly identified for all samples.
Observations recorded clearly for most samples.
Missing multiple rows or inaccurate results recorded.
Scientific Claim
Correctly links conductivity to the dissociation of ionic bonds into free-moving ions.
Correctly identifies that ions are needed for electricity to flow.
Fails to explain the difference or contains major misconceptions.
Charged Up Modified Quiz Ion Instincts Quiz
Chemistry Unit Checkpoint
Name: _________________________________
Score: ________ / 20
I Charged Definitions (2 pts each)
1. An atom that has LOST an electron and now has a POSITIVE charge is called a(n):
Anion
Cation
Isotope
Noble Gas
2. Which of these trends describes Ionization Energy on the Periodic Table?
Increases as you go DOWN a group.
Decreases as you go ACROSS a period.
Increases as you go UP and to the RIGHT.
Part II: Predicting Charges (2 pts each)
Predict the most likely ion charge for each element based on its group number:
Potassium (Group 1) Charge: ________________
Oxygen (Group 16) Charge: ________________
Calcium (Group 2) Charge: ________________
Fluorine (Group 17) Charge: ________________
Part III: Application Logic (4 pts each)
Explain the Octet Rule and why it causes atoms like Sodium (Na) to lose an electron.
Why is the Ionization Energy of Neon (Ne) much higher than that of Lithium (Li)? Consider atomic size and stability.
