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Midterm Review, Part 2

Total questions: 29

Worksheet time: 34mins

Name
Class
Date
1.
The shorter the wavelength the 
a)
shorter the frequency
b)
higher the freuqnecy
c)
frequency stays the same
d)
less energy
2.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
3.

Which number shows the amplitude?

a)

1

b)

2

c)

3

d)

4

4.

A student placed a pencil in a cup of water. The pencil appears broken because light

a)

always travels in a straight line.

b)

bends when it passes through water.

c)

makes the water in the glass evaporate.

d)

reflects the pencil on the water's surface.

5.
The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-
a)
absorbed
b)
stopped
c)
reflected
d)
refracted
6.

Images in a plane mirror are

a)

real

b)

larger

c)

same size

d)

smaller

7.

Whats the difference between a light wave and a infrared wave?

a)

Wavelength

b)

Amplitude

c)

Frequency

8.

Velocity is speed with __________________________.

a)

a unicycle helmet

b)

direction

c)

fight

9.
A monkey in a wheelchair is rolling south down a hallway toward the cafeteria at 100 yards every 10 min. What was Mr. Longarms' velocity
a)
10 yards every minute North
b)
10 yards every minute (South)
c)
10 yards every minute 
d)
1 mile every minute South
10.
Select the correct order of waves on the EMS 
a)
Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
b)
Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
c)
Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
d)
Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma
11.

In a vacuum, ALL Electromagnetic waves travel around 300,000 kilometers per second. This is known as the speed of ______.

a)

Rays

b)

Light

c)

Sound

d)

Traveling

12.
Which section of the graph shows decreasing velocity?
a)
CD
b)
DE
c)
EF
d)
GH
13.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Deacceleration
d)
Not moving
14.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
15.

Inertia is the tendency of an object to resist a change in its ___________.

a)

temperature

b)

shape

c)

size

d)

motion

16.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia 
17.
What is the tendency of an object to resist a change in motion?
a)
coffee
b)
motion
c)
inertia
d)
gravity
18.

Newton’s law states that for every action, there is an ________ reaction.

a)

unequal and opposite

b)

equal and similar

c)

stronger and opposite

d)

equal and opposite

19.

A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?

a)

100 Newtons, same direction

b)

100 Newtons, opposite direction

c)

200 Newtons, opposite direction

d)

200 Newtons, same direction

20.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
21.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
192 Amps
c)
2 Amps
d)
4 Amps
22.
What will happen if one light bulb is removed from this circuit?
a)
The other bulbs will go out.
b)
The other bulbs will stay on
c)
The other bulbs will get dimmer.
d)
The battery will become stronger.
23.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
24.

These are examples of

a)

Insulators

b)

Conductors

25.

These are examples of

a)

Conductors

b)

Insulators

26.
Generators are devices that convert _____ energy into _____ energy.
a)
chemical; mechanical
b)
mechanical; electrical
c)
electrical; mechanical
d)
potential; kinetic
27.

If a ball is kicked into the air, which force will pull it back to Earth?

a)

friction

b)

gravity

c)

inertia

d)

motion

28.

Static electricity occurs because...

a)

of thunder

b)

of humid air

c)

of neutral particles adding up

d)

of a buildup of charges on an object.

29.

Why does static electricity build up in laundry?

a)

heat from the dryer charges the air

b)

electrons are transferred as clothes rub against each other in the dryer

c)

short circuits occur in the laundry

d)

clothes with metal on them conduct electricity

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