September 27 DOL

Look at the image of a classroom. The principal can be heard through the speaker on the wall. How can the students hear the principal?

• Thermal energy travels through air.

• Sound waves stay in one place.

• Sound waves travel through air.

• Light energy makes sound waves.

What happens when you hit a drum with a stick?

• The stick absorbs energy and stops moving.

• The drum starts to vibrate and produces sound.

• The air around the drum becomes colder.

• The drum changes color.

Tags

NGSS.MS-PS3-5

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When someone hits a table with a tuning fork, how does the sound travel to your ears?

• The sound stays in the tuning fork and doesn't go anywhere.

• The sound travels through the table to your ears.

• The vibrations from the tuning fork cause the table to vibrate, and these vibrations travel through the air as sound waves.

• The tuning fork produces light waves that interact with the table, creating sound.

Tags

NGSS.MS-PS4-2

A glass of water is placed next to a stereo speaker. If the music is turned up to a loud volume, ripples form on the surface of the water in the glass. Why does this happen?

• The sound waves from the speaker cause vibrations in the water.

• The heat from the speaker causes the water to evaporate.

• The light from the speaker affects the water molecules.

• The air pressure around the glass changes drastically.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A student zips down a slide into the water. Which type of energy can be found in this scenario?

• Sound energy from the student making a loud splash in the water

• Light energy from the student making waves in the water

• Sound energy from the sunlight shining on the slide

• Mechanical energy from the sunlight shining on the slide

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5