Grade 7 Ultimate Q2 BMA Review

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive crests or troughs in a wave.

Tags

NGSS.MS-PS4-2

Front

What does replication mean in scientific experiments?

Back

Replication refers to the process of repeating an experiment to verify results.

Front

Which material allows sound waves to travel the fastest?

Back

Sound waves travel fastest through solids, such as copper wire.

Front

Where is potential energy greatest in a sliding block scenario?

Back

Potential energy is greatest at the highest point, which is point A in the scenario.

Tags

NGSS.MS-PS3-2

Front

Why do we see a batter hit the ball before hearing the sound?

Back

Light waves travel faster than sound waves, causing a time lapse.

Front

What is frequency in relation to waves?

Back

Frequency is the number of waves that pass a point in a given time period, usually measured in Hertz (Hz).

Front

What is energy in the context of waves?

Back

Energy in waves refers to the capacity to do work, which is carried by the wave as it propagates.

Tags

NGSS.MS-PS4-1

Front

What is a crest in a wave?

Back

A crest is the highest point of a wave.

Front

What is the difference between sound waves and light waves?

Back

Sound waves are mechanical waves that require a medium to travel, while light waves are electromagnetic waves that can travel through a vacuum.

Tags

NGSS.MS-PS4-2

Front

What is the principle of conservation of energy?

Back

The principle states that energy cannot be created or destroyed, only transformed from one form to another.

Tags

NGSS.MS-PS3-5