J
Mixture
N
Colloid
R
Solution
K
Solubility
L
Physical Change
P
Chemical Change
Q
Conservation of Mass
J. A physical combination of two or more substances blended without forming new ones. (Mixture)
K. The maximum amount of a substance that can be dissolved by another substance. (Solubility)
L. A change of matter in size, shape, or state that does not change the type of matter. (Physical Change)
M. The ability of a material to allow electricity or heat to flow through it easily. (Conductivity)
N. A type of mixture in which the particles of one material are scattered through another without settling out. (Colloid)
O. The ability of a material to be attracted to a magnet without needing to be a magnet itself. (Magnetism)
P. A change that produces new matter with different properties from the original matter. (Chemical Change)
Q. A physical law that states that matter is neither created or destroyed during a physical or chemical change. (Conservation of Mass)
R. A mixture of substances that are blended so completely that the mixture looks the same everywhere. (Solution)
Investigating Matter Vocabulary Review • Teacher Answer Key Page 2 of 4
Lab Applications
Part 3: Science Lab Scenarios (A)
Directions: Read each real-world scientific scenario below. Fill in the blank with the correct vocabulary term from Word Bank A. Each word is used exactly once.
Word Bank A (Solved)
Matter
Mass
Volume
Solids
Liquids
Gas
Physical Property
Chemical Property
Reflectivity
1 Even though it is completely invisible, the air inside our classroom balloon has weight and occupies real physical space, proving it is a form of Matter.
2 When we set a block of pure aluminum on a triple-beam balance, we are measuring its physical Mass in grams.
3 To find the exact amount of physical space that a fluid takes up, we poured it into a graduated cylinder to measure its Volume in milliliters.
4 Ice cubes, iron nails, and wooden blocks are all classified as Solids because they hold a constant shape and a definite volume.
5 Water, honey, and olive oil are classified as Liquids since they flow freely and change shape to fit their container.
6 Steam rising from a beaker of boiling water expands to fill any container it occupies because it is a Gas.
7 Noting that a mystery substance has a bright yellow color, a metallic shine, and a density of 2.3 g/cm³ is describing a Physical Property.
8 Whether a substance reacts violently with water or is highly flammable are traits that define a Chemical Property.
9 The metal foil on a spacecraft is highly polished so that its high Reflectivity bounces harmful solar radiation away.
Investigating Matter Vocabulary Review • Teacher Answer Key Page 3 of 4
Lab Applications
Part 3: Science Lab Scenarios (B)
Directions: Read each real-world scientific scenario below. Fill in the blank with the correct vocabulary term from Word Bank B. Each word is used exactly once.
Word Bank B (Solved)
Conductivity
Magnetism
Mixture
Colloid
Solution
Solubility
Physical Change
Chemical Change
Conservation of Mass
10 Copper wires are heavily wrapped in rubber because copper has high electrical Conductivity, allowing electrical energy to flow.
11 Iron shavings are easily extracted from a sand mixture because iron exhibits physical Magnetism and clings tightly to magnets.
12 A clear bowl of rocks, pebbles, and sand is a Mixture because the individual parts do not blend chemically.
13 Milk is categorized as a Colloid because microscopic globules of butterfat are suspended throughout.
14 When white table salt is completely dissolved in water, the resulting mixture looks uniform and is called a Solution.
15 Stirring table sugar into warm tea increases its rate of dissolution, proving water can alter its Solubility limit.
16 Crumpling a piece of notebook paper is a Physical Change since its shape alters but its chemical makeup remains identical.
17 A steel bicycle rusting in the rain is undergoing a Chemical Change because iron converts to a completely new substance.
18 Measuring 10g of reactants and ending with exactly 10g of products in a closed flask proves the Conservation of Mass.
Investigating Matter Vocabulary Review • Teacher Answer Key Page 4 of 4
