Unit 5 Waves Test

Front

Emma noticed that when she looked at a straw in a glass of water, the straw appeared bent. This is because the light wave changes its __________ as it passes from air to water.

Back

speed

Front

Rohan noticed that his house with carpet is much quieter than his friend's house with tile floors because of sound wave __________.

Back

absorption

Front

During a science class, Sophia was asked to identify an example of a compressional wave. Which one should she choose? Options: X-ray, gamma ray, sound wave, water wave

Back

sound wave

Front

Abigail is playing her guitar and wants to make the sound louder. What should she do to the amplitude of the sound wave?

Back

Increase it

Front

Sophia is observing ocean waves crash on the beach at a velocity of 3.5 m/s. If the distance between the crests of each wave is 4 m, find the frequency of the waves.

Back

1.14 Hz

Front

James is looking at a mirror and notices how his reflection appears. This scenario demonstrates which wave behavior?

Back

reflection

Front

While hiking in the mountains, Grace shouted towards a cliff and heard her voice coming back to her. This phenomenon is an example of sound wave __________.

Back

reflection

Front

Kai is observing waves at the beach and notices that the waves have a frequency of 25 Hz and a wavelength of 10 m. What is the velocity of these waves?

Back

250 m/s

Front

During a science experiment, Priya noticed that a glass prism was able to bend light. This happens because __________.

Back

light is refracted as it enters a different medium

Front

What is the wave’s frequency if 4 crests of a wave pass a certain point in 1 second?

Back

4 Hz