Review

What is the main source of energy for all food chains?​

• The sun is the main source of energy for all food chains.

• A consumer is the main source of energy for all food chains.

• The Moon is the main source of energy for all food chains.

• Water is the main source of energy for all food chains.

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What is a producer?

• Breaks down organisms.

• Makes its own food.

• An organism eats another organism.

• Hunts and eats prey.

What are decomposers?

• Get their energy from the Sun.

• They eat other organisms.

• Break down dead organisms.

• The flow of energy from one organism to another.

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What are the 3 categories that organisms fall into?

• Producer, carnivore, decomposer.

• Producers, consumers, decomposers.

• Herbivore, Carnivore, Omnivore

• Consumer, Herbivore, producer.

Which animal could NOT belong in a desert ecosystem?

• Grizzly Bear

• Lizard

• Snake

• Insect

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A third grade class set two plates in the sun. A piece of cloth is on each plate. The black cloth has a higher temperature than the white cloth. Which form of energy from the Sun causes the black cloth to have a higher temperature?

• light energy

• sound energy

• mechanical energy

• thermal energy

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A student rubs their hands back and forth. Which forms of energy is this an example of?

• light and sound

• mechanical and thermal

• light and thermal

• sound and magnetism

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Ice can be changed to a liquid by which of the following?

• freezing

• melting

• boiling

• stirring

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Which of the following objects will MOST LIKELY be attracted by a magnet?

• rubber band

• glass marble

• metal paperclip

• paper

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What part of the picture above shows something that is a solid?

• fluid

• ice cubes

• bubbles

• condensation

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