Why Do We Eat?

Why do humans and animals eat?

• To collect cool rocks

• To get energy to live

• Because it tastes good

• Because we are bored

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What do runners do before a big race?

• Drink only water

• Eat a lot of protein

• Skip meals

• Carb load

Why don't nonliving things like rocks need food?

• Because they are too small

• Because they are always full

• Because they don't need energy

• Because they are not hungry

How do plants get most of their food?

• From the soil

• From the sun, water, and carbon dioxide

• From other plants

• From insects

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What is the purpose of using liquid plant food in the experiment?

• To control how much food a plant gets

• To make the plants look pretty

• To change the color of the plants

• To water the plants

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What is the control plant in the experiment?

• The plant that gets no sunlight

• The plant that gets no water

• The plant that gets no additional food

• The plant that gets extra food

What do you expect to happen to the plant that gets extra food?

• It will grow smaller

• It will die

• It will stay the same size

• It will grow bigger

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NGSS.MS-LS1-5

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Why do living things need food?

• To repair themselves and stay healthy

• To look good

• To make friends

• To sleep better

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What happens to plant two in the experiment?

• It grows smaller

• It stays the same size

• It changes color

• It grows bigger

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What should you do after learning about the importance of food?

• Eat more candy

• Skip meals

• Eat your vegetables

• Drink only soda