Body Fuel Slides3rd Grade Science • Day 1 Standard 3.L2U1.7 Energy Explorers Body Fuel: Powering Up! How does the food you eat give your muscles, brain, and heart the power to move, grow, and live? Think fast: What fuels a race car? What fuels you? What We Already Know Foundation Check Machines Need Fuel A car stops moving when its tank is empty. It needs gasoline or electricity to do work. No fuel = No motion! Living Things Need Food All animals must eat food to stay alive, grow larger, and survive in their habitats. Food = Biological Fuel! Big Idea: Food stores energy. Your body unlocks that energy every second! 3 Big Jobs for Food Energy How Bodies Use Fuel 1. Moving Running, jumping, writing, talking, and even blinking your eyelids! Muscles at work 2. Growing Getting taller, growing stronger bones, and healing cuts and scrapes. Building new cells 3. Staying Warm Keeping your body temperature at 98.6°F and pumping blood all day and night. Internal heater Even when you are asleep, your body uses food energy to breathe and pump blood! Partner Science Challenge 2-Minute Investigation 1 Feel Your Engine Place your hand gently over your chest. Feel your heart beat. Feel your chest rise and fall. Your body is burning fuel right now! 2 Power Burst! Stand and do 5 silent jumping jacks. Sit down and turn to your partner. Question: Which meal gave you the power to jump? Turn & Talk: "My body used energy from my breakfast/lunch to ________." Ready for Reading & Questions Day 1 Mission What to Look For in Your Reading: How your digestive system turns food into energy your cells can use. Why food gives you both energy for activity and materials to grow taller. A mystery for tomorrow: Where did that food get its energy in the first place? Open your Day 1 Reading Comprehension Page and let's explore!
Body Fuel Reading Comprehension3rd Grade Science • Day 1 Standard: AZ 3.L2U1.7 Body Fuel: How Food Powers You Reading Comprehension & Science Questions Name: Date: Read the Passage Carefully Just like a car needs gasoline to drive down the highway, your body needs fuel to stay alive and active. That fuel is the food you eat every day! When you eat an apple, a sandwich, or oatmeal, your digestive system breaks the food down into tiny nutrients. These nutrients carry stored chemical energy into your blood, delivering power to every single cell in your body. Your body uses this energy in three main ways: • Movement: Your muscles use energy to run, jump, kick a ball, and write your name. • Life Support & Warmth: Your heart beats and your lungs breathe even while you sleep, and your body stays warm at about 98.6°F. • Growth & Healing: Food provides the building blocks to help you grow taller and repair skinned knees. Without food, living things run out of energy and cannot survive. Every move you make starts with the fuel on your plate! A Part A: Check for Understanding (Circle the best answer) 1. What does the text compare food to? A Gasoline for a car B Water for a boat C Air for a balloon 2. Does your body use food energy while you are asleep? A No, the body turns off at night B Yes, to keep your heart beating and stay warm C Only if you are having a running dream B Part B: Fact Check (Circle True or False) 1. Animals can grow and survive without eating any food. True False 2. Food provides both energy and building blocks to grow. True False 3. Your body stays at about 98.6°F using energy from food. True False C Part C: Explain in Your Own Words Think about an activity you did today (like playing at recess or walking to class). Explain how food energy helped your body do that activity. Tomorrow's Mystery: Food gives us energy... but where did the food get its energy? Sneak Peek
Sun Source Slides3rd Grade Science • Day 2 Standard 3.L2U1.8 The Energy Detective Sun to Table: Tracing Energy Yesterday we learned food powers our bodies. Today we discover: Where did that food get its energy? Big Secret: You are walking around powered by sunshine! Plants: Nature's Solar Catchers Producers Trapping Sunlight Plants do something humans and animals cannot do: they catch light from the Sun with their green leaves! Leaves act like tiny solar panels. Storing Energy in Food Plants turn that sunlight into sugars and starches. They store that energy inside their roots, stems, leaves, and fruits! Apples, carrots, and corn store solar energy! Animals cannot make food from sunlight. Animals must eat plants or other animals! Follow the Energy Trail Energy Chains Path 1: Eating Plants Directly 1. Sun shines 2. Apple Tree makes fruit 3. You eat the apple! Path 2: Eating Foods from Animals Sun Grass grows Cow eats grass You drink milk! Notice: Both trails start at the very same place—the Sun! Detective Game: Trace the Pizza! Class Challenge 🍞 Bread Crust Made from wheat grain that grew under warm sunlight. Wheat → Sun 🍅 Tomato Sauce Red tomatoes collected energy on green vines. Tomato → Sun 🧀 Melted Cheese Made from milk of cows that ate sun-grown green pasture. Cow → Grass → Sun Verdict: Every single ingredient on that pizza is powered by the Sun! What We Discovered Key Takeaways The Sun is the Ultimate Source: Nearly all energy on Earth begins as sunlight traveling through space. Plants Connect Us: Plants trap sunlight and store it as food energy so animals and humans can live. Energy Passes Along: When you run and jump, you are using stored sunshine! Time for your Day 2 Reading Comprehension & Energy Diagram Page!
Sun Source Reading Comprehension3rd Grade Science • Day 2 Standard: AZ 3.L2U1.8 Sun to Table: Where Food Energy Begins Reading Comprehension & Energy Chain Diagram Name: Date: Read the Passage Carefully Where does the energy stored in your food come from? The surprising answer is 93 million miles away: the Sun! Plants are the only living things on Earth that can make their own food using sunlight. Their green leaves catch light rays and combine them with water and air to make sweet sugars and starches. This process locks solar energy inside the plant. When you crunch into an orange or eat sweet corn, you are taking in energy that came straight from the Sun. But what about foods from animals, like cheese, eggs, or chicken? Animals cannot make food from sunlight, so they eat plants to survive. A cow grazes on sun-grown pasture grass, storing that grass's energy in its milk and meat. No matter what meal is on your plate, if you trace its energy path backward, you will always arrive at the same starting point: sunlight! A Part A: Fill in the Missing Step in Each Energy Chain Chain 1: Eating a Fresh Strawberry Sun → → You Fill in the blank above: What plant made the fruit? Chain 2: Drinking a Glass of Milk Sun → Grass → → You Fill in the blank above: What animal ate the grass? B Part B: Reading Check (Circle the best answer) 1. Why can plants make food from sunlight while humans cannot? A Plants have green leaves that catch solar energy B Plants sleep in the dirt all day long C Plants do not need any water to survive 2. What is the ultimate source of energy for all living things? A The grocery store refrigerator B The Sun C Water from kitchen faucets C Part C: Science Detective Challenge A friend says, "A chicken nugget doesn't come from the Sun because chickens are animals, not plants!" How would you use what you learned to explain that the chicken nugget still gets its energy from sunlight? Unit Wrap-Up: When you run, play, and learn, you are powered by stored sunshine! Sun Powered!
