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Light and Sound - 4th Grade

Total questions: 22

Worksheet time: 22mins

Name
Class
Date
1.

This is the distance from the top of one sound wave to the top of the next sound wave.

a)

Frequency

b)

Energy

c)

Wavelength

d)

Amplitude

2.

Light is a form of ________

a)

Gas

b)

Matter

c)

Energy

d)

Corndog

3.

What is the number of wavelengths that pass a point in one second?

a)

Amplitude

b)

Frequency

c)

Electromagnetic Spectrum

d)

Wavelengthocity

4.

The back and forth motion of an object is called...

a)

Soundwave

b)

Vibration

c)

Pitch

d)

Frequency

5.

The ________ is the highest point of a wave.

a)

Trough

b)

Wavelength

c)

Crest

d)

Amplitude

6.

The bending of light as it passes from one material into another is ____________.

a)

Reflection

b)

Conversion

c)

Lightbending

d)

Refraction

7.

What type of line does light travel in?

a)

Straight

b)

Diagonal

c)

Circular

d)

Upside Down

8.

What must happen in order for sound waves to form?

a)

An electric current must flow

b)

Amplitude must be absorbed

c)

Matter must vibrate

d)

A certain frequency must be reached

9.

A(n) ___________ is caused by SOUND waves bouncing off an object.

a)

Reflection

b)

Echo

c)

Amplitude

d)

Frequency

10.

This type of object allows pretty much all light to shine through...

a)

Translucent

b)

Transparent

c)

Transquent

d)

Opaque

11.

This type of object doesn't let pretty much any light pass through...

a)

Translucent

b)

Transparent

c)

Transquent

d)

Opaque

12.

This type of object doesn't allow all light to pass through it, but will allow some light to make it through...

a)

Translucent

b)

Transparent

c)

Transquent

d)

Opaque

13.

Which of the following statements is true about convex lenses?

a)

A convex lens spread light waves apart.

b)

A convex lens is designed with an inward curve.

c)

A convex lens focuses (or bends) light together reaching a focal point.

d)

A convex lens keeps light directed straight forward.

14.

What is the range of light rays organized by frequency and wavelength called

a)

Rainbow Index

b)

Electric Slide

c)

Romanian Vortex

d)

Electromagnetic Spectrum

15.

An ambulance's siren would have a....

a)

Low Pitch and Low Volume

b)

High Pitch and Low Volume

c)

Low Pitch and High Volume

d)

High Pitch and High Volume

16.

What is it called when light bounces off a smooth, shiny surface from one direction and travels in a new direction?

a)

Reflection

b)

Boomerang Effect

c)

Bouncifection

d)

Refraction

17.

What type of light shines in one direction and contains only one wavelength of light?

a)

Ultraviolet Rays

b)

Laser Light

c)

Infrared Light

d)

X-Ray Light

18.

In which scenario could someone hear you the quickest?

a)

Standing 6 feet away from someone's ear and shouting at them

b)

Swimming under water side-by-side and shouting at them

c)

Knock on the door that their ear is pressed up against

d)

Talking with your mouth full standing 6 inches away from them

19.

How do we measure amplitude?

a)

From crest to crest

b)

From crest to trough

c)

From crest to midline

d)

From trough to midline

20.

This object will separate light into the colors of the spectrum...

a)

Electromagnetic Spectrum

b)

Diffractor

c)

Prism

d)

Opaque

21.

An ultrasound frequency is a frequency at which....

a)

a human ear can detect the sound

b)

a human ear cannot detect the sound

c)

a human ear can detect the light

d)

a human cannot detect the light

22.

A cloth lampshade is an example of a(n)...

a)

Opaque Object

b)

Transparent Object

c)

Translucent Object

d)

Corndog Philosophy 101