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PS Semester 2 Exam Quizziz

Total questions: 50

Worksheet time: 38mins

Name
Class
Date
1.
What type of radiation would your cellphone have?
a)
Radio
b)
Microwave
c)
Infrared
d)
Gamma
2.
Light slows down when passing from 
a)
air into water
b)
water into air
c)
water into solid
d)
solid into air
3.
Which wave type does not need a medium?
a)
sound
b)
electromagnetic
4.
Which color will be warmer?
a)
white
b)
black
c)
none of the colors
d)
all the colors
5.
Which of the following is the main difference between the types of radiation?
a)
wavelength
b)
amplitude
c)
temperature
d)
chemical make up
6.
Cell phones and televisions use this type of EM wave.  It has the longest wavelength with the lowest frequency.
a)
radio wave
b)
tv wave
c)
Gamma wave
d)
ultra violet
7.
Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer? 
a)
infrared light
b)
visible light
c)
ultraviolet light
d)
microwaves
8.
Which of the following electromagnetic waves is given off as heat? 
a)
ultraviolet light
b)
x-rays
c)
gamma rays
d)
infrared rays
9.
What type of wave behavior is pictured above?
a)
Refraction
b)
Reflection
c)
Absorption
d)
Diffraction
10.
What is happening in the picture?
a)
refraction
b)
reflection
c)
absorbtion
11.
When all wavelengths of white light are absorbed, we see what color?
a)
Black
b)
White
c)
Rainbow
d)
Maroon
12.
When all wavelengths of white light are reflected, we see what color?
a)
Black
b)
White
c)
Rainbow
d)
maroon
13.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
14.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
15.
The part of a longitudinal wave where the particles of the medium are close together.
a)
rarefaction
b)
compression
c)
crest
d)
trough
16.
Why is the school library covered with carpet?
a)
So everyone can make a lot of noise
b)
to help absorb sounds to keep it quiet
c)
because it looks good
d)
to help absorb sounds so it can stay noisy
17.
The Doppler effect is seen when a wave-making source moves toward an observer. 
a)
True
b)
False
18.

Forces that are equal in size but opposite in direction are

a)

balanced forces

b)

net forces

c)

frictional forces

d)

inertial forces

19.

A friend is helping you move a cart. You exert 25N of force to push on the back of the cart while your friend exerts 20N of force pulling on the front of the cart. The net force being used to move the cart is

a)

20N Forward

b)

25N Forward

c)

5N Forward

d)

45N Forward

20.

The tendency of an object to resist change in its motion is known as

a)

inertia

b)

force

c)

balance

d)

mass

21.

A truck with 3,000 N force gives an acceleration of 15 m/s2. The mass of the object is

a)

200 kg

b)

45000 N

c)

200 N

d)

45000 kg

22.

Amy runs 2 miles south, then turns and runs back 4 miles north. What is her displacement vector?

a)

4, north

b)

4.47, north

c)

5, north

d)

5.25, north

23.

Calculate the acceleration of a 7 kg mass if a force of 68.6 N acts on it

a)

480.2 m/s2

b)

9.8 m/s2

c)

0.1 m/s2

d)

68.6 m/s2

24.

Determine the net force of the block and the direction the block will move.

a)

11 N to the right

b)

11 N to the left

c)

25 N to the right

d)

25 N to the left

25.

Balanced forces acting on an object

a)

sometimes change the object's motion

b)

never change the object's motion

c)

always change the object's motion

d)

are not related to motion

26.

If balls A and B start at the top of the ramp and accelerate at the same rate down the ramp, which one will hit ball X with the most force?

a)

ball a

b)

ball b

c)

They will both have the same amount of force

27.

Without any force to change it, an object at rest stays at rest and an object in motion stays in motion.

a)

Newtons first law

b)

Newtons second law

c)

Newtons third law

28.

For a force on an object there is an equal and opposite force.

a)

Newton's first law of motion

b)

Newton's second law of motion

c)

Newton's third law of motion

29.

Acceleration is caused by a force acting on a mass.

a)

Newton's first law of motion

b)

Newton's second law of motion

c)

Newton's third law of motion

30.

Look at the Figure A above. Why does the block not move?

a)

no force is applied

b)

frictional force

c)

surface friction

d)

kinetic friction

31.

The tendency of an object to resist any change of motion is know as

a)

force

b)

mass

c)

inertia

d)

balance

32.

What does a wave carry from place to place?

a)

energy

b)

matter

c)

people

33.

The highest point on a transverse wave is the

a)

compression

b)

crest

c)

rest position

d)

trough

34.

The number of waves that pass somewhere in a second is:

a)

amplitude

b)

frequency

c)

wavelength

35.

This picture is an example of which type of wave?

a)

transverse wave

b)

compression wave

c)

ocean wave

36.
One end of the rope is vibrated to produce a wave with a wavelength of .25 m.  The Frequency of the wave is 3.0 Hz.  What is the speed of the wave?
a)
3.00 m/s
b)
2.50 m/s
c)
.75 m/s
d)
1.25 m/s
37.
 A wave has frequency of 5 Hz and a speed of 25 m/s. What is the wavelength of the wave?
a)
25 m
b)
125 m
c)
5 m
d)
25 m/s
38.

#2 refers to the

a)

wavelength

b)

amplitude

c)

crest

d)

trough

39.

What is electricity?

a)

an object that electrons do not flow through

b)

energy created by moving charged particles

c)

when two objects repel each other

d)

a circuit that has only one path for electricity to flow

40.

Which of the following is an insulator?

a)

an eraser

b)

a wire

c)

a penny

d)

a metal spoon

41.

Which of the following is a conductor?

a)

wood

b)

rubber

c)

metal

d)

plastic

42.

What type of electric circuit only has ONE path for the electricity to flow?

a)

series

b)

parallel

c)

open

d)

none of the above

43.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
44.
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.
45.
a)
Series circuit - Bulbs are lit
b)
Series circuit - Bulbs are off
c)
Parallel circuit - Bulbs are lit
d)
Parallel circuit - Bulbs are off
46.

This circuit does not work because…

a)

the bulbs are not connected properly

b)

the single cell is not powerful enough

c)

there is a break in the circuit

d)

there is a short circuit

47.
What does Boyle's law relate to?
a)
Temperature and Volume
b)
Volume and Pressure
c)
Temperature and Pressure
48.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
49.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
50.
Boyle's law : When _______ is held constant, the pressure and volume of a gas are ________  proportional
a)
temperature,  equally
b)
mass, inversely
c)
temperature, inversely
d)
mass, equally

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