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Activate 1 Physics Review

Total questions: 30

Worksheet time: 1hrs 2mins

Name
Class
Date
1.
What is the force that causes objects to fall to Earth?
a)
Air resistance
b)
Gravity
c)
Water resistance
d)
Pressure
2.
What is the name of the units that we measure force in?
a)
Einsteins 
b)
Newtons
c)
Kg
d)
Metres
3.
In which direction does gravity act?
a)
Downwards
b)
Upwards
c)
In all directions
d)
Towards the centre of the Earth
4.
What force does a parachute use to slow things down before hitting the ground?
a)
Friction
b)
Air resistance
c)
Water resistance
d)
Wind
5.
When two objects rub together, what force do they produce
a)
Gravity
b)
Air resistance
c)
Friction
d)
Water resistance
6.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
7.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
8.
If a force causes an object to start moving, stop moving, or change direction it's considered a(an)__________________force.
a)
Balanced
b)
Unbalanced
c)
Magnetic
d)
Gravitational
9.
Sound waves travel the FASTEST through _____________.
a)
gases
b)
liquids
c)
solids
10.
If a sound has a high amplitude then it also has a ____________!!!
a)
fast echo
b)
slow pitch
c)
high volume
d)
low volume
11.
Sound moves in a _________.
a)
Transverse wave
b)
Longitudinal wave
12.

A place where no sound exists is...

a)

in the air

b)

under water

c)

space

d)

all of the above

13.
What is frequency?
a)
the number of vibrations per second
b)
how high or low a sound is
c)
the loudness or softness of a sound
d)
the back and forth movement of matter
14.

What does the fluid inside your ears doing?

a)

Vibrates the skin in your ear

b)

Sends sound waves to the brain

c)

Vibrates the cilia (tiny hairs).

15.

What does the Auditory nerve do?

a)

Carries the message to the brain

b)

Carries the message to the Semi-Circular canal

c)

Send the message to the Eustachian tube

16.

Name the 3 bones in your ear

a)

Hammer, Stirrup, Anvil

b)

Hammer, Anvil, Stirrup

c)

Rods, Cones, Anvil

17.
The three primary colors of light are
a)
Red, Blue, Yellow
b)
Pink, Green, Blue
c)
Violet, Green, Red
d)
Blue, Green, Red
18.
Why does an apple appear red?
a)
All colors are absorbed & none are reflected
b)
All colors are absorbed except for blue, which is reflected
c)
All colors are reflected and none are absorbed
d)
All colors are absorbed except for red, which is reflected
19.
Objects that ABSORB all colors of light will appear _______.
a)
white
b)
black
c)
multi-colored
d)
gray
20.

Which part is #2?

a)

iris

b)

cornea

c)

retina

d)

lens

21.

This structure is the back of the eye and it sends images to the optic nerve.

a)

Cornea

b)

Lens

c)

Retina

d)

Pupil

22.

The hole in the iris gets bigger and smaller because

a)

the iris is a muscle that moves to make the pupil larger/smaller

b)

the pupil can adjust itself to the amount of light coming in

c)

the pupil is a muscle that controls the size of the iris

23.

This structure is the back of the eye and it sends images to the optic nerve.

a)

Cornea

b)

Lens

c)

Retina

d)

Pupil

24.
Which planets have no natural satellites?
a)
Earth & Mars
b)
Jupiter & Saturn
c)
Mercury & Venus
d)
Mercury & Mars
25.
It takes the earth one year to make one what?
a)
revolution
b)
rotation
c)
turn
d)
flip 
26.
Why does the Sun appear to rise and set each day?
a)
The moon rotates on its axis.
b)
The Earth rotates on its axis.
c)
The sun rotates on its axis.
d)
The Earth revolves on its axis.
27.
New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon... What comes next?
a)
Waning Gibbous
b)
Waning Crescent
c)
New Moon
d)
Last Quarter
28.

Which planet is the closest planet to the sun?

a)

Mercury

b)

Venus

c)

Mars

d)

Pluto

29.
The image shown represents which Moon phase?
a)
Waxing gibbous
b)
Waning gibbous
c)
Waning crescent
d)
Waxing crescent
30.

A piece of space rock burning up in Earth's atmosphere (a "shooting star") is which of these?

a)

meteorite

b)

asteroid

c)

comet

d)

meteor

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