How Do We Use Food

Front

What is stored energy in food?

Back

Stored energy in food is the energy that living things can use to grow, move, and stay alive. All food items, like steak, grass, and candy, contain stored energy.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight to make sugar from carbon dioxide and water.

Front

Where does the energy in food come from?

Back

The energy in food originally comes from the sun, which plants capture through photosynthesis.

Front

What do we call the energy stored in a hamburger?

Back

The energy stored in a hamburger comes from the sun, as the cows that provide the meat eat grass that has absorbed sunlight.

Front

How does our body signal that we need more energy?

Back

Our body signals that we need more energy by making us feel hungry.

Front

What is the role of sunlight in food production?

Back

Sunlight is essential for photosynthesis, allowing plants to produce food and energy.

Front

Can all food items provide energy?

Back

Yes, all food items contain stored energy that can be used by living organisms.

Front

What do plants need to perform photosynthesis?

Back

Plants need sunlight, carbon dioxide, and water to perform photosynthesis.

Front

What is the main product of photosynthesis?

Back

The main product of photosynthesis is sugar, which plants use for energy.

Front

How do animals get energy from plants?

Back

Animals get energy from plants by eating them, which allows them to access the stored energy.