Grade 7 Ultimate Q2 BMA Review

Front

What allows us to see objects that do not produce light?

Back

Objects are visible because they reflect light.

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NGSS.4-PS4-2

Front

Which material does sound travel fastest through?

Back

Sound travels fastest through solids, such as a wooden desk.

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NGSS.MS-PS4-2

Front

In which state of matter do particles have the most heat?

Back

Particles have the most heat in a gas.

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Front

What happens to temperatures when two beakers with different temperatures are combined?

Back

The temperatures even out to a midpoint and gradually transition to room temperature.

Tags

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Front

What energy transformation occurs when a car speeds up?

Back

The transformation is from potential energy to kinetic energy.

Tags

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Front

Define reflection in the context of light.

Back

Reflection is the bouncing back of light rays when they hit a surface.

Tags

NGSS.MS-PS4-2

Front

What is the state of matter where particles are tightly packed and vibrate in place?

Back

This state of matter is called a solid.

Front

Explain how thermal energy affects particle movement in different states of matter.

Back

In solids, particles move slowly; in liquids, they move faster; in gases, they move the fastest.

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Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

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Front

What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state.

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