Grade 4 TCI Science - Unit 2 Lesson 1 Review

The definition of Energy is the ability to

• change states of matter

• change shape

• causes motion or change

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If two objects with different weights are moving at the same speed, the lighter object has

• less energy then the heavier

• more energy then the heavier

• the same amount of energy

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When an object moves slower, its energy of motion

• is zero

• increases

• decreases

• remains the same

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How can a ball be given stored energy?

• roll it down a hill

• lift it up to a high shelf

• drop it from the top of a ladder

• throw it to another person

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Scientist say that energy is conserves because energy

• cannot be transferred between objects

• is created when a still object starts moving

• can not be created or destroyed

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a splash created by a rock dropping in water is an example of

• creating energy

• storing energy

• transferring energy

• saving energy

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Which of the following is an example of an object with energy?

• a box car rolling down a hill

• a basketball bouncing on a court

• wind blowing a leaf through the air

• all of the above

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When a moving object stops moving, it has ________energy.

• created

• destroyed

• gained

• lost

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____________________ is an example of an object with stored energy.

• a bouncing ball

• a person standing up

• a book lying on the floor

• a rock falling to the ground

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When an object loses energy the energy is

• created

• destroyed

• conserved

• all of the above

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