Unit 4 Waves

A person produces two sound waves with a flute, one immediately after the other. Both sound waves have the same pitch, but the second one is louder. Which of the following properties is greater for the second sound wave? (6.P.1.3)

• Frequency

• Amplitude

• Wavelength

• Speed of sound

Tags

NGSS.MS-PS4-1

Why does the leaf of a plant look green? (6.P.1.2)

• Because it absorbs green light

• Because it reflects green light

• Because it absorbs only yellow and blue light

• Because it reflects a mixture of yellow and blue light

What do playing a guitar, banging a drum, and dropping a pebble in the water have in common? (6.P.1.1)

• They all cause vibrations

• They all produce light

• They all convert heat to energy

• They all need gravity to move.

In the figure, which of the following is the pathway of light that allows the child to see the ball? (6.P.1.2)

• Light bulb to child's eye to ball

• Child's eyes to light bulb to ball

• Ball to light bulb to child's eyes

• Light bulb to ball to child's eyes

Tags

NGSS.4-PS4-2

Sound waves, water waves, and light waves are all alike in that they all ______________. (6.P.1.1)

• Move at the same speed

• Move without vibrating

• Move the fastest in water

• Move energy from one place to another

What is the distance between two consecutive points on a wave called? (6.P.1.1)

• Frequency

• Period

• Amplitude

• Wavelength

Which statement best explains why thunder is heard after lightening is seen? (6.P.1.1)

• Light travels faster than sound

• Light ravels slower than sound

• Thunder is produced by the impact of lightening against the ground

• The eye works faster than the ear

Regions in a sound wave where particles are the farthest apart are called _______________. (6.P.1.1)

• Compression

• Condensations

• Depressions

• Rarefactions

Which situation would cause your pupils to change from small to large? (6.P.1.2)

• The light got dimmer

• The light got brighter

• The person looked at a distant object

• The person looked at a closer object

Tags

NGSS.MS-LS1-8

Light is bent as it passes from the air into the lens of eyeglasses. This bending is called _________ (6.p.1.2)

• Reflection

• Refraction

• Interference

• Shifting

Tags

NGSS.MS-PS4-2