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CUA 2 Review Scientific Investigation-Waves

Total questions: 58

Worksheet time: 41mins

Name
Class
Date
1.

Nuclear reaction in which two or more atomic nuclei collide to join and form a new nucleus.

a)

fission

b)

fusion

2.

Nuclear Fission

a)

is a process of splitting a heavy nucleus into two lighter nuclei

b)

is a process of combination of two lighter nuclei to form a heavier nuclei

3.

This type of mirror converges light.

a)

plane

b)

convex

c)

concave

4.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
5.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
6.

Kinetic energy depends on the ________ and ________ of the object.

a)

Height and mass

b)

Friction and movement

c)

Mass and Velocity (speed)

d)

Velocity and Muscles

7.

What kind of energy powers the sun?

a)

mechanical

b)

nuclear

c)

chemical

d)

electrical

8.

A student conducts an experiment to see which temperature of water will make Kool-aid dissolve the fastest. What things should be kept constant? SELECT ALL THAT APPLY

a)

time it takes the Kool-aid to dissolve

b)

amount of Kool-aid

c)

temperature of the water

d)

amount of water

e)

brand and flavor of Kool-aid

9.

What form of energy is stored in the bonds between molecules of matter?

a)

chemical energy

b)

mechanical energy

c)

nuclear energy

d)

radiant energy

e)

electrical energy

10.

What type of energy is seen here (the energy of movement/motion)?

a)

chemical energy

b)

mechanical energy

c)

nuclear energy

d)

radiant energy

e)

electrical energy

11.

What type of energy is produced when electrically charged particles vibrate (such as light, radio, gamma rays, and other electromagnetic waves)?

a)

chemical energy

b)

mechanical energy

c)

nuclear energy

d)

radiant energy

e)

electrical energy

12.

Turning on a lightbulb is an example of energy transforming from electrical to ______________ energy.

SELECT ALL THAT APPLY

a)

nuclear

b)

radiant

c)

light

d)

chemical

e)

heat

13.

At which temperature would all molecules stop moving (in theory)?

a)

100 degrees Celsius

b)

-273 degrees Celsius

c)

32 degrees Fahrenheit

d)

273 Kelvin

14.

Melting is an example of _____. (Ask yourself, does heat have to be added, or taken away, to make it happen?)

a)

an exothermic process

b)

an endothermic process

15.

Water turns to steam when it is heated. Then it hits the cold mirror and turns back into cold droplets of water. What has happened to the water?

a)

It vaporized and then froze.

b)

It vaporized and then condensed.

c)

It condensed and then vaporized.

d)

It froze and then vaporized.

16.

Changing from a liquid to a gas is called ________.

a)

condensation

b)

vaporization

c)

deposition

d)

sublimation

17.

Changing from a gas to a liqud is called ________.

a)

condensation

b)

vaporization

c)

deposition

d)

sublimation

18.

Changing from a solid to a gas (like what happens when dry ice is put into the room) is called ________.

a)

condensation

b)

vaporization

c)

deposition

d)

sublimation

19.

Changing from a gas to a solid (like what happens when fog in the air turns into frost) is called ________.

a)

condensation

b)

vaporization

c)

deposition

d)

sublimation

20.
What term is represented by the letter B?
a)
solid
b)
melting/freezing
c)
liquid
d)
vaporization
21.
What is the boiling temperature of the substance used to make the time/temperature graph in the picture?
a)
40° C
b)
0° C
c)
20° C
d)
70° C
22.
Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?
a)
Thermal energy is transferred from the spoon to the water.
b)
Thermal energy is transferred from the water to the spoon.
c)
Thermal energy in the water is transformed into kinetic energy in the spoon.
d)
Thermal energy in the spoon is transformed into kinetic energy in the water.
23.
Hot objects begin to cool as-
a)
cooler air is transferred to the hot object
b)
thermal energy in the object is transferred to the surrounding air
c)
atoms in the object have a chemical reaction with the oxygen in the air
d)
thermal energy in the object cancels out energy in the air
24.
Heat transfer always goes from-
a)
cold to hot
b)
hot to cold
c)
heat doesn't transfer
d)
none of the above
25.
Hot coffee is stirred with a spoon; the spoon gets hot due to
a)
conduction
b)
convection
c)
radiation
26.
When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal equilibrium
27.
The sun warming your skin is an example of heat transfer through 
a)
conduction
b)
convection
c)
radiation
d)
thermal electricity
28.
What is happening to the temperature as a substance is boiling?
a)
It increases
b)
It decreases
c)
It stays the same
29.
Why does the temperature of a glass of ice water stay the same until the entire phase change is complete?
a)
the energy is being conserved to maintain a constant temperature
b)
energy is being released to increase the temperature
c)
energy is being used to break the bonds between the molecules
d)
the energy is being absorbed to increase the temperature
30.

If I have a beaker, a hot plate, and a thermometer, I can find this property, which will help me figure out what an unknown substance is.

a)

density

b)

chemical change

c)

mass

d)

boiling point

31.

This technology transfers thermal energy between the earth (underground) and the surface below a building using pipes with water.

a)

heat engine

b)

solar power

c)

geothermal power

d)

heat pump

32.
High amplitude is quiet or loud?
a)
Quiet
b)
Loud
33.
Which wave has more energy? 
a)
A higher frequency/high pitched sound
b)
A lower frequency/low pitched sound
34.

A wave with a short wavelength will have a ______ frequency.

a)

high

b)

low

35.
A tuning fork starts to vibrate when a certain note is played on the piano, This is an example of _______.
a)
resonance
b)
refraction
c)
diffraction
d)
reflection
36.
Another example of resonance is when a small force is ________ at the right frequency so that the amplitude of the wave increases. This is what caused the Tacoma Narrows bridge to collapse.
a)
stopped
b)
repeated
c)
decreased
37.

The darkest/densest place in a compression is the _____ of the wave.

a)

crest

b)

trough

38.

Which of the following is NOT a way to measure the wavelength in a compression/longitudinal wave?

a)

compression to next compression

b)

rarefaction to next rarefaction

c)

rarefaction to next compression

39.

The place in a compression/longitudinal wave that has less pressure (it looks lighter).

a)

compression

b)

rarefaction

40.

Which of the following is NOT an application of sound (compression) waves?

a)

microwaving food to warm it up

b)

getting an ultrasound at the doctor

c)

sonar being used to find a crashed plane in the ocean

d)

bats locating food using echolocation

41.
When the frequency of a wave increases, what happens to the wavelength?
a)
The wavelength is not directly affected by the frequency of a wave.
b)
The wavelength increases.
c)
The wavelength decreases.
d)
More specific information is needed to form a conclusion about the wavelength.
42.
Which letter represents wavelength?
a)
A
b)
B
c)
C
d)
D
43.

The illustration shows a light ray striking an object.

In the illustration, the light ray striking the object is-

a)

absorbed

b)

transmitted

c)

reflected

d)

refracted

44.

Which interaction is occurring in the picture?

a)

Reflection

b)

Refraction

c)

Diffraction

d)

Interference

45.

The bending of a wave around the edge of a barrier or as it passes through a tiny opening is called

a)

reflection

b)

diffraction

c)

interference

d)

refraction

46.

Light that passes through an object or medium is _________.

a)

absorbed

b)

transmitted

c)

reflected

d)

refracted

47.

A concave mirror will make an object (held far away) look ______.

a)

larger/right side up

b)

smaller/right side up

c)

larger/upside down

d)

smaller/upside down

48.

A concave mirror will make an object (held close up) look ______.

a)

larger/right side up

b)

smaller/right side up

c)

larger/upside down

d)

smaller/upside down

49.

Which shows a convex lens?

a)

Top left

b)

Top right

c)

Bottom left

d)

Bottom right

50.

Which of the following is true about electromagnetic wave speeds?

a)

Gama rays travel the fastest.

b)

Radio waves travel the fastest.

c)

All electromagnetic waves travel the same speed (through a vacuum).

d)

None of the above.

51.

Which of the following shows the correct order of the electromagnetic spectrum?

a)

Infrared, Radio, Microwaves, Visible, X-ray, Ultraviolet, Gamma

b)

Visible, X-Ray, Ultraviolet, Gamma, Infrared, Radio, Microwaves

c)

Gamma, Radio, Ultraviolet, Visible, Microwaves, X-Ray, Infrared

d)

Radio, Microwaves, Infrared, Visible, Ultraviolet, X-Ray, Gamma

52.

Heaters, police scanners (heat imaging), heat lamps, and TV remotes all utilize waves from which part of the electromagnetic spectrum?

a)

ultraviolet rays

b)

radio waves

c)

visible light

d)

infrared rays

53.

Which of the following uses light to send information for cable, internet, and telephone?

a)

LED lights

b)

fiber optics

c)

holograms

d)

lasers

54.

Which of the following parts of the electromagnetic spectrum is used send all kinds of communications (audio and video), both on earth and in space?

a)

infrared rays

b)

x-rays

c)

ultraviolet rays

d)

radio waves

e)

microwaves

55.

Which of the following parts of the electromagnetic spectrum is used in tanning beds and can cause sunburn?

a)

infrared rays

b)

x-rays

c)

ultraviolet rays

d)

radio waves

e)

microwaves

56.

Which of the following parts of the electromagnetic spectrum is used in appliances to cook food?

a)

infrared rays

b)

x-rays

c)

ultraviolet rays

d)

radio waves

e)

microwaves

57.

Which of the following parts of the electromagnetic spectrum is used medically to "see" inside the body?

a)

infrared rays

b)

x-rays

c)

ultraviolet rays

d)

radio waves

e)

microwaves

58.

Which of the following is NOT a part of the particle theory of matter?

a)

Particles are in constant motion.

b)

Particles attract each other.

c)

Particles of different elements are different.

d)

Particles are always closely packed together.

e)

Particles of the same element are basically the same.

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