Test - Unit 7 Energy Flashcards

1
Q

When an object absorbs energy, the change in temperature will be

A

Positive

U7 C3 pg. 19

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2
Q

Transfer of energy by the movement of heated particles.

A

Convection

U7 C3 pg. 19

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3
Q

Through which of the following will convection most likely occur?

A

Liquids and gasses

U7 C3 pg. 19

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4
Q

When you hold an ice cube, your hand feels cold because

A

heat flows from your hand to the ice cube.

U7 C3 pg. 19

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5
Q

A medicine ball has 10 J of energy and is thrown upward with a velocity of 2 m/s. What is its mass?

A

10/2= 5kg

U7 C1 Pg. 2

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6
Q

Put the direction when writing velocity

A

U7 C2

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