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HEAT, WAVE & LIGHT

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

The wave of energy we can see is ___________

a)

visible light

b)

radio waves

c)

microwaves

d)

x-rays

2.

What is it called when light waves enter a substance?

a)

refraction

b)

reflection

c)

energy

d)

absorption

3.

When light bounces off something it is known as _____________

a)

reflection

b)

refraction

c)

light energy

d)

mechanical energy

4.

The definition of the word refract is __________

a)

to make warm

b)

to go through

c)

to bend

d)

to create energy

5.

What color of the rainbow has the longest wavelength?

a)

red

b)

blue

c)

green

d)

violet

6.

What type of wave is a sound wave?

a)

transverse

b)

mechanical

c)

longitudinal

d)

electrical

7.

The highest point of a wave is known as the ___________

a)

wavelength

b)

trough

c)

amplitude

d)

crest

8.

What is the function of the inner ear?

a)

it helps us ignore people

b)

to capture the sound waves in the air

c)

to take the sound to your eardrum

d)

to send sound waves to the brain

9.

The louder the sound, the higher the ____________ of the wave.

a)

amplitude

b)

wavelength

c)

pitch

d)

compression

10.
Which statement best describes what waves are?
a)
wavy lines on graph paper
b)
disturbances that transfer energy
c)
light energy that changes particles of matter
d)
circles that move out from a central place 
11.
Can travel through matter (gas, liquid, solid) but not space. 
a)
light
b)
sound
12.
Can travel through matter (gas, liquid, solid) and empty space. 
a)
sound
b)
light
13.
Makes you get sunburn. 
a)
x-ray
b)
visible
c)
ultraviolet
14.
Visible light is 
a)
radiation
b)
light
c)
a way to transfer energy
d)
all of these
15.
When light shines through a prism it creates a ________________
a)
colors
b)
ROY G. BIV
c)
spectrum
d)
electromagnetic wave
16.
Light is a form of 
a)
energy
b)
radiation
c)
reflection
17.
What kind of waves are being shown when you warm yourself by a fire?
a)
Electromagnetic waves
b)
Mechanical waves
c)
Friction
d)
Gasses in the atmosphere
18.
What is a vacuum? 
a)
A space with only air in it
b)
A space with NO matter at all present
c)
A machine you use to do your chores
19.
Waves are a transfer of what?
a)
Heat
b)
Light
c)
Energy
d)
Food
20.
Which wave has the greatest amplitude?
a)
The blue wave
b)
The red wave
21.
Which of the following is true about waves?
a)
When wavelength increases frequency increases
b)
When wavelength decreases, frequency increases
c)
When wavelength decreases, frequency decreases
22.
When light strikes an object, it can do all of the following, except...
a)
Be reflected
b)
Be refracted
c)
Be produced
d)
Be absorbed 
23.
Which type of electromagnetic radiation produces the heat we can feel coming from the toaster?
a)
Radio waves
b)
Infrared waves
c)
X-rays
d)
Gamma rays
24.
Which type of electromagnetic radiation is the reason we need sunglasses and sunscreen to avoid getting a sunburn?
a)
X-rays
b)
Gamma Rays
c)
Ultraviolet waves
d)
Infrared waves
25.
The number of waves that passes a point in a certain amount of time.
a)
Amplitude
b)
Frequency
c)
Wavelength
d)
Magnitude 
26.
Which of the following is NOT true?
a)
Radio waves have lowest frequency
b)
Ultraviolet waves have highest energy
c)
Gamma waves have highest frequency
d)
Radio waves have longest wavelengths
27.
What property of light makes this pencil appear to be bent or broken?
a)
Reflection
b)
Refraction
c)
Diffraction
d)
Absorption
28.

What is the measurement of heat?

a)

a. Convection

b)

b. Conduction

c)

c. Temperature

d)

d. Radiation

29.

What is created when a sound wave bounces back into the object?

a)

a. Music

b)

b. Echo

c)

c. Vibration

d)

d. Tone

30.

Which of property of sound happens when you are in a room and you can still hear the music of your sibling that's staying in another room?

a)

a. Diffraction

b)

b. Infusion

c)

c. Refraction

d)

d. Reflection

31.

Temperature and Heat are the same.

a)

TRUE

b)

FALSE

32.

In which medium does sound travel the fastest?

a)

a. Solid

b)

b. Gas

c)

c. Liquid

d)

d. Plasma

33.

Sound waves can travel inside a vacuum.

a)

TRUE

b)

FALSE

34.
Compared to the speed of light, sound travels:
a)
Faster
b)
The same speed
c)
Slower
35.
Sound waves are produced by:
a)
Radio Stations
b)
Vibrating objects
c)
Soft objects
d)
Objects under pressure
36.

A sound wave is a:

a)

mechanical and transverse wave

b)

Longitudinal and mechanical wave

c)

mechanical wave only

d)

Transverse and longitudinal wave

37.

Noise-cancelling headphones is an example of:

a)

Destructive interference

b)

Constructive interference

c)

Beats (R) by Dr. Dre

d)

Resonance

38.

WHAT IS MEASURED WITH A THERMOMETER

a)

Heat

b)

Temperature

c)

Thermal Energy

d)

Heat and Temperature

39.

What are some examples of refraction of light in daily life?

a)

Glasses, camera lenses and binoculars

b)

Mirrors and spoons

40.

The ability of a substance to absorb or release heat energy

a)

thermal energy

b)

temperature

c)

thermometer

d)

specific heat

41.

The potential and kinetic energies of the particles of a body that can be transformed to heat

a)

thermal energy

b)

heat

c)

temperature

d)

specific heat

42.
If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C? 
a)
-80,371.2 J
b)
44,938.6 J
c)
80,371.2 J
d)
112,575.9 K
43.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
44.
A sample of iron receives 50.J of heat energy that raises the temperature of the iron 25.0°C. If iron has a specific heat of  0.10 J/g°C, what is the mass of the iron sample?
a)
25 g
b)
30 g
c)
20 g
d)
50 g
45.
Water has a specific heat of 4184 J/KgºC.  Wood has a specific heat of 1760 J/KgºC.  What material needs more energy to raise the temperature 1ºC
a)
Wood
b)
Water
c)
Both are the same
46.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
47.
To turn a liquid into a gas, you _____ energy.
a)
Add
b)
Remove
48.
Which of the following containers of sand has atoms/molecules with the greatest average kinetic energy?  
a)
1 kg at 20oC
b)
2 kg at 20oC
c)
4 kg at 20oC
d)
none has a greater amount because all have the same average kinetic energy
49.
The symbol for specific heat is .......
a)
c
b)
Q
c)
m
d)
t
50.
For a skillet, used for cooking, do you want a high or low specific heat
a)
High, so that it will need more energy to heat up
b)
Low, so that it will change temperature quickly

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