WorksheetsScience Unit 2 Review
Total questions: 25
Worksheet time: 4mins
Name
Class
Date
1.
The top of a wave is called the...
a)
Trough
b)
Crest
c)
Wavelength
d)
Amplitude
2.
What is the bottom of a wave called?
a)
Crest
b)
Wavelength
c)
Amplitude
d)
Trough
3.
What is amplitude?
a)
The distance between the waves
b)
The distance from crest to trough
c)
The distance from the middle to the crest or trough
d)
The length of the wave
4.
What type of ray is the longest?
a)
Gamma rays
b)
Radio rays
5.
Light travels in...
a)
Diagonal
b)
Straight
c)
Curvy
d)
Crooked
6.
Light travels _______ kilometers per hour.
a)
30,000
b)
50,000
c)
300,000
d)
500,000
7.
What does opaque mean?
a)
Materials that do not let light though
b)
Letting light through but scattering it
c)
Things that let all light pass through
8.
Reflecting light is when...
a)
You see the same image
b)
When the light is absorbed
c)
Light is being bended
d)
The light bounces off the surface
9.
A white hat reflects what color?
a)
No color
b)
White
c)
All color
10.
What is refraction?
a)
When the object disapears
b)
When it bends
c)
When it stays the same
11.
Sound waves move...
a)
Up and down
b)
Back and forth
12.
Pitch depends on frequency.
a)
False
b)
True
13.
A reflective sound has no echo
a)
false
b)
true
14.
Convex lens causes light to diverge
a)
True
b)
False
c)
I don't know
15.
What is absorbed light?
a)
Light that bounces off
b)
Light that bends
c)
Light that disapears into the matter
16.
Opposites attract
a)
True
b)
False
17.
A magnetic field is...
a)
The region around a magnet
b)
The region around two magnets
18.
A magnet's strongest area is...
a)
Bottom
b)
Middle
c)
Top
d)
Ends
19.
Magnets attract to iron, nickel, cobalt, & Aluminum
a)
True
b)
Fase
20.
Charged particles streaming from the ____ get pulled down by the earth's magnetic field.
a)
Moon
b)
Stars
c)
Sun
21.
Electricity is the flow of ____
a)
Electron
b)
Protons
c)
Newtrons
d)
Electrons
22.
Similar poles attract
a)
No
b)
Yes
c)
Maybe so
d)
I don't really know
23.
Bumper cars is...
a)
Electrical to mechanical
b)
Mechanical to electrical
c)
Direct currenet
d)
Indirect current
24.
For electricity to flow, a circuit must be _____ and it has to flow in a _____
a)
Closed, circle
b)
Open, circle
c)
Closed, loop
d)
Open, loop
25.
The _____ the voltage, the more the electrons want to jump
a)
Higher
b)
Lower
100 %
