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Checkpoint 2 Quiz

Total questions: 61

Worksheet time: 56mins

Name
Class
Date
1.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
2.

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

a)

10 m/s

b)

1000 m/s

c)

100 seconds

d)

10 seconds

3.

Distance formula

a)

S X T

b)

T X S

c)

T/D

d)

D/T

4.
Soccer ball A goes 15 feet in 3 seconds, and ball B goes 12 feet in 2 seconds. Which ball moved the fastest?
a)
Soccer ball A
b)
Soccer ball B
c)
Their speeds are equal.
5.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking at a constant speed
b)
Running fast
c)
Not moving
d)
Walking slow
6.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Decceleration
d)
Not moving
7.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
8.
Velocity is both ____ and _____. 
a)
speed , direction 
b)
direction, mass
c)
volume, density 
d)
direction, magnitude 
9.
During which interval is the object not moving?
a)
B to C
b)
C to D
c)
D to E
d)
only at point A
10.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
11.
Acceleration: is the rate of change in ___________.
a)
speed
b)
distance
c)
velocity 
d)
displacement 
12.
The SI unit for acceleration is
a)
mph
b)
m/s
c)
m/s2
13.
What is the definition of velocity?
a)
A force that opposes motion
b)
Uniform circular motion
c)
The speed of an object in a particular direction
14.
How is velocity different than speed?
a)
Speed opposes velocity
b)
Velocity is speed with a direction
c)
None of the answers are correct
15.
An ________ is a reflected sound.
a)
Vibration
b)
Echo
c)
Pitch
d)
Volume
16.

Sound is a form of energy produced by ______________.

a)

Vibrations

b)

Distances

c)

Prisms

d)

Forces

17.

Sound waves travel the FASTEST through _____________.

a)

Gases

b)

Liquids

c)

Solids

18.

A place where no sound exists is...

a)

in the air.

b)

under water.

c)

space.

d)

all of the above

19.

Why do we see lightning before we hear the thunder?

a)

Our eyes trick us.

b)

Light travels faster than sound.

c)

they're two separate things.

20.

____________ is determined by sound's frequency

a)

Compression

b)

Pitch

21.

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

a)

high, low

b)

low, high

c)

medium, high

d)

high, medium

22.

______________ sounds have a larger amplitude

a)

Quiet

b)

Loud

23.

What is this?

a)

Nerve

b)

Ear canal

c)

Cochlea

d)

Ear Drum

24.

In which medium sound can't travel?

a)

solid

b)

liquid

c)

gas

d)

vacuum

25.

What type of wave are sound wave?

a)

longitudinal

b)

transverse

c)

electromagnetic

d)

sea wave

26.

What is the range of frequencies audible to the human ear

a)

lower than 20 Hz

b)

20 Hz - 20.000 Hz

c)

higher than 20.000 Hz

d)

0 Hz - infinite Hz

27.

look at the picture. There are 4 sound wave with different amplitude and wavelength. Which sound wave has loudest sound?

a)

A

b)

B

c)

C

d)

D

28.

look at the picture. There are 4 sound wave with different amplitude and wavelength. Which sound wave has highest pitch?

a)

A

b)

B

c)

C

d)

D

29.

Which of these provides the best explanation for why the pencil appears broken?

a)

The pencil absorbs the light rays that hit it.

b)

Water reflects light rays away from the pencil.

c)

Light rays are bent by the water in the glass.

d)

The surface of the water reflects the light rays.

30.

What makes it possible to see an object when looking through a periscope?

a)

It contains mirrors that reflect the object.

b)

It magnifies small objects so they can be seen.

c)

It absorbs the light rays passing through it.

d)

It separates the light into different colors.

31.
Nearly all the information we have about the universe comes in the form of ___
a)
light
b)
sound
c)
electricity
d)
fossils
32.
The distance between the crests in a wave is called ___
a)
the wave distance
b)
the wavelength
c)
the amplitude
d)
the frequency
33.
We see shadows because light travels in a __________________ line.
a)
curved
b)
straight
c)
rainbow
34.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
35.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
36.

Characteristics of a image formed by a plane mirror. Check all that applies.

a)

inverted

b)

same size as the object

c)

laterally inverted

d)

real

37.
Glass has a _____________ index of refraction than air.
a)
Equal
b)
Greater
c)
Less
d)
Impossible to say
38.

Why is the component of colour in a rainbow can be seen when light passes through a glass prism?

a)

phenomena of scattering of light

b)

phenomena of dispersion of light

c)

phenomena of reflection of light

d)

phenomena of diffraction of light

39.

How many components of white light?

a)

5

b)

6

c)

7

d)

8

40.

This is the example of dispersion of light

a)

sky looks bright orange in the evening

b)

shadow

c)

Pool seems shallower

d)

rainbow

41.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
42.

Which of the following natural phenomenons occur due to light dispersion.

a)
b)
c)
d)
43.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
44.
Magnetism is generated by moving
a)
protons.
b)
electrons.
c)
neutrons.
d)
elements.
45.
As the distance between two magnets increases (they get farther apart), the force between them:
a)
Increases
b)
Decreases
c)
Stays the Same
46.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
47.
What is responsible for the Magnetic Field around Earth?
a)
The Earth's crust
b)
The Earth's molton iron core
c)
The Earth's mantel
d)
The Sun
48.
In un-magnetized materials the domains are __________ aligned.
a)
super
b)
slightly
c)
randomly
d)
always
49.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
50.

How can a wire become magnetic?

a)

point it north

b)

add a resistor

c)

heat it up

d)

run a current through it

51.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
52.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
53.
A device that uses a free-moving magnetic needle to show direction is a:
a)
Ruler
b)
magnet
c)
compass
d)
magnetic field
54.
The space around a magnet where the force of a magnet can attract best is called__________
a)
magnetism
b)
bar magnet
c)
horseshoe magnet
d)
magnetic field
55.
If you drop or heat up a a magnet, what will eventually happen to it?
a)
the magnet will become stronger
b)
the magnet will demagnetize
56.
Inside of magnets there are tiny magnets called _______
a)
atoms
b)
domains
c)
mini magnets
57.
The lines on this image are called...
a)
magnetic field lines
b)
iron fillings
c)
graphite lines
d)
none of these
58.
Electricity can be used to create a magnet
a)
True
b)
False
59.
A Magnet can be used to create electricity
a)
True
b)
False
60.
You can make an electromagnet stronger by...
a)
increasing the current through the wire
b)
make the iron core bigger
c)
increase the number of loops around the core
d)
All of these
61.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field

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