Sound Energy CBES 4Th Grade

Derek learns in science class that when an object vibrates, it moves back and forth. Which of the following forms of energy can Derek say results from the vibrations that travel through the air?

• Electrical energy

• Energy of motion

• Sound Energy

• Heat Energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Helena conducted the experiment shown above. When she hit the drum with the drumstick, the paper clip flew into the air. Which of these statements BEST describes what Helena demonstrated with her experiment?

• Sound energy can cause movement.

• Paper clips create sound energy.

• Drums lose energy when they are hit.

• Sound energy can change into electric energy.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The students in Miss Khalid’s class are using rubber bands and shoe boxes to make sound instruments. They have rubber bands of different thicknesses. If Rubber Band A is thicker than Rubber Band B, what can the students conclude about the pitch of Rubber Band B?

• It is lower

• It is higher

• It is louder

• It is the same

Jules stretches a rubber band around two pegs on a wooden block as shown in the picture. Jules plucks the rubber band and hears a sound.

What should Jules do if he wants to hear a higher-pitched sound?

• Move the pegs farther apart

• Move the pegs closer together

• Pluck the rubber band harder

• Pluck the rubber band with a different finger

Tags

NGSS.MS-PS4-1

The vocal cords of a frog vibrate very slowly. Based on how the vocal cords of the frog vibrate, which of these is TRUE about the sound the frog makes?

• It is high speed.

• It is high-pitched.

• It is very loud.

• It is low-pitched.

Kim makes a sound instrument by attaching identical rubber bands to a pegboard. The rubber bands are stretched to the lengths shown below.

Which of the following statements is TRUE about the pitch of the rubber bands?

• The band stretched to 10 cm has a lower pitch than the one stretched to 25 cm.

• The band stretched to 25 cm has a lower pitch than the one stretched to 15 cm.

• The band stretched to 15 cm has a higher pitch than the one stretched to 20 cm.

• The band stretched to 20 cm has a higher pitch than the one stretched to 25 cm.

Tags

NGSS.MS-PS4-1

Erica tightens a string on her guitar. Why does tightening the string make it produce a higher pitched sound?

• The string vibrates for a shorter time.

• The string vibrates for a longer time.

• The string vibrates slower.

• The string vibrates faster.

Tags

NGSS.MS-PS4-1