by BlastRoom
Students read wave models and connect amplitude, wavelength, frequency, and energy.
#us_grade_7_science

40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Use the wave model. What is Wave A's amplitude, measured from the rest line to a crest?

The horizontal axis is meters. What is Wave B's wavelength from one crest to the next crest?

The horizontal axis is seconds. What frequency does the model show during the 4 s shown?

Use the wave model. What amplitude should be recorded for Wave C?

The horizontal axis is meters. What wavelength is shown by the distance between matching crests?

The horizontal axis is seconds. What is the frequency of the wave in the 6 s model?

Use the wave model. What is Wave E's amplitude?

The horizontal axis is meters. What wavelength does the model show from crest to crest?

A wave model shows four complete waves passing a point in 2 s. What frequency does it show?
Use the wave model. What is Wave G's amplitude?

The horizontal axis is meters. What is the wavelength from the crest at 0 m to the next crest?

The horizontal axis is seconds. What frequency does the model show?

The horizontal axis is meters. What wavelength is shown by the spacing of the crests?

The horizontal axis is seconds. What is the frequency of the wave in the model?

Two waves travel through the same rope. Wave X rises 2 cm above rest; Wave Y rises 6 cm. Which carries more energy?
Speaker A makes air vibrations with 1 mm amplitude, and Speaker B makes 3 mm amplitude vibrations. Which sound wave carries more energy?

A spring pulse with 8 cm amplitude and a spring pulse with 4 cm amplitude move through the same spring. Which pulse has more energy?

In a tank, one water wave has 1 cm amplitude and another has 5 cm amplitude. Which claim is supported?

A guitar string vibrates 2 mm from rest when plucked gently and 5 mm when plucked harder. Which vibration carries more energy?

Two seismic waves pass through the same rock. One has 0.5 cm amplitude, and the other has 2.0 cm. Which carries more energy?

Wave A has 4 cm amplitude and 3 m wavelength. Wave B has 2 cm amplitude and 6 m wavelength. Which carries more energy?
A wave's amplitude doubles while its wavelength stays the same in the same rope. What happens to the energy it carries?
At a dock, 5 crests pass in 10 s, then 10 crests pass in 10 s. What changed?

At a mark on a rope, 12 crests pass in 4 s. What is the wave's frequency?
In a ripple tank, 8 crests pass a point in 2 s. Later, 4 crests pass in 2 s. What changed?

A buoy counts 15 wave crests passing in 5 s. What frequency should be recorded?

In a coiled spring, 6 compressions pass one point in 3 s. What frequency does this longitudinal wave have?

In 6 s, Wave A sends 18 crests past a mark, while Wave B sends 9. Which wave has greater frequency?
A student counts one crest passing every 0.25 s at a fixed point. What is the frequency?
A microphone detects 20 air vibrations in 5 s. What frequency does the sound wave have?

Two waves move at the same speed. Wave A has crests closer together than Wave B. Which statement fits the model?
In the same medium, a wave's wavelength changes from 2 m to 4 m while speed stays constant. What happens to frequency?
Two waves have the same frequency. Wave P travels at 6 m/s and Wave Q travels at 3 m/s. Which wave has the longer wavelength?
A wave model keeps speed constant but raises frequency. How must the wavelength change?

A student measures 0.5 m from a crest of a rope wave to the very next trough. What is the wavelength?
A student redraws a wave so crests are farther above the rest line but crest-to-crest distance stays the same. What changed?

A rope wave's frequency is doubled by shaking the rope faster, but the rope and its tension are not changed. Which property stays about the same?
A speaker plays a lower pitch while sound speed stays the same. How should the sound-wave model change?

A rope wave's wavelength is increased while amplitude stays the same. How should the drawing change?
A student reduces a wave's amplitude by half but keeps frequency unchanged. What should the model show?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
Sound: Pitch, Loudness and What Carries It
40 questions