WorksheetsPhysical Science Unit Pretest
Total questions: 50
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
To make things move, you need a −
a)
force.
b)
strong magnet.
c)
metal object.
d)
helper.
2.
A force is a −
a)
push.
b)
pull.
c)
magnet.
d)
push or pull.
3.
The dirt road rubs against the tires of the motorcycle and most likely causes it to ―
a)
go faster because of friction
b)
change directions
c)
go slower because of friction
d)
win a race
4.
When the football player kicks the ball it will go up in the air. What will happen next?
a)
Gravity will pull it up higher.
b)
The football player will push it higher.
c)
It will fall back down to the ground because gravity pulled it.
d)
It will fall back down to the ground because gravity pushed it.
5.
This girl has jumped up in the air. What force will cause her to come back to the ground?
a)
Gravity
b)
Magnetism
c)
Electricity
d)
Sound
6.
Gravity is a force that ─
a)
pulls objects down.
b)
pulls objects toward the center of the Earth.
c)
pushes objects into the air.
d)
has no effect on objects.
7.
Stored energy due to an object's position.
a)
potential
b)
kinetic
8.
the energy an object has due to its motion
a)
potential
b)
kinetic
9.
resistance of motion that transforms motion into thermal energy
a)
friction
b)
potential
c)
kinetic
d)
mechanical
10.
What causes screws to be warm when a drill removes them from an object?
a)
friction between the screw and the object
b)
chemical reaction
c)
nuclear energy
d)
stored thermal energy in the wood
11.
What causes the skateboarder to come to a stop?
a)
she ran out of kinetic energy
b)
she ran out of potential energy
c)
the friction between wheels and ramp
12.
A path followed by an electric current
a)
open circuit
b)
flow
c)
current
d)
circuit
13.
A complete electrical circuit or path through which electricity or current can pass or flow
a)
open circuit
b)
circuit
c)
closed circuit
d)
current
14.
Material that allows electric current or thermal energy to pass through easily
a)
conductor
b)
insulator
c)
flow
d)
circuit
15.
Flow of electricty in a wire or other conductor
a)
closed circuit
b)
current
c)
open circuit
d)
conductor
16.
Material that slows down or stops electric current or thermal energy from passing through
a)
flow
b)
open circuit
c)
insulator
d)
conductor
17.
A circuit or electrical path that is broken or incomplete so electricity cannot flow through it.
a)open circuit
b)conductor
c)insulator
d)closed circuit
18.
What energy is electrical energy?
a)
energy created by electrons
b)
puppy monkey baby
c)
protons
d)
dancing
19.
A device that makes electricity by using chemical reactions, stores energy until it is needed
a)circuit
b)
battery
c)insulator
d)copper wire
20.
Materials that allow energy to flow through them are called
a)
Insulators
b)
Semiconductors
c)
Conductors
d)
None of the above
21.
Materials that do NOT allow energy to flow through them are called
a)
Insulators
b)
Semiconductors
c)
Conductors
d)
None of the above
22.
If one battery is facing another battery and both positives are touching, will the circuit work?
a)
Yes
b)
No
c)
I don't know
23.
Which images are opaque?
a)
A & C
b)
A,C,E, & F
c)
D, E, & F
d)
A & E
24.
Which explains why the fork looks different under water?
a)
light can't pass through the glass
b)
the wavelength of light lengthens
c)
the amount of light increases when going through water
d)
light is refracted at an angle
25.
Why do we see objects as white?
a)
They absorb all light
b)
They reflect all light
c)
They absorb some light and reflect some light
26.
Another name for light bending is ....
a)
Reflaction
b)
Absorbing
c)
Refraction
d)
mirror
27.
Opaque means...
a)
No light passes through it
b)
All light passes through it
c)
Some light passes through it
28.
The color you see is the color that is ___.
a)
reflected
b)
absorbed
29.
___________ is a from of energy that we can see with our eyes.
a)
shadow
b)
light
c)
energy
d)
reflection
30.
Which term means to bounce off the surface of something?
a)
Refract
b)
Absorb
c)
Reflect
d)
prism
31.
Band of color in a rainbow, or from a light passing through a prism.
a)
Spectrum
b)
Space
c)
Prism
d)
Refraction
32.
The term for any wave that hits a surface and bounces off
a)
Transparent
b)
Translucent
c)
Refraction
d)
Reflection
33.
Blurs light as it passes through
a)
Transparent
b)
Translucent
c)
Opaque
d)
Refraction
34.
Allows most light through
a)
eflection
b)
Refraction
c)
Translucent
d)
Transparent
35.
When light strikes the wall of a building it will?
a)
Absorb (take in)
b)
Reflect (bounce back)
c)
Refract (bend)
d)
Transmit(go thru)
36.
Which of these is an example of a translucent material?
a)
Tissue paper
b)
Clear plastic
c)
Window
d)
Book
37.
A dark area on a surface created by an object blocking the path of light
a)
Shadow
b)
Reflection
c)
Refraction
d)
Prism
38.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
39.
Conduction is heat transfer by -
a)
Touch
b)
Circles
c)
Waves
40.
Radiation is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
41.
Convection is heat transfer by-
a)
Touch
b)
Circles
c)
Waves
42.
What type of heat transfer takes place in liquids and gasses?
a)
Conduction
b)
Convection
c)
Radiation
d)
Thermal Equilibrium
43.
What type of heat transfer takes place in solids?
a)
Conduction
b)
Convection
c)
Radiation
44.
What type of heat transfer takes place through open space?
a)
Conduction
b)
Convection
c)
Radiation
45.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
46.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
47.
As you touch a hot stove the heat transfers -
a)
from your hand to the stove
b)
from the stove to your hand
c)
It doesn't transfer
48.
Sound is caused by?
a)
force
b)
vibrations
c)
instruments
49.
An object that does not vibrate cannot produce
a)
sound
b)
light
c)
heat
d)
electricity
50.
Sound is energy in the particles that vibrate as they pass through _____.
a)
walls
b)
ceilings
c)
matter
d)
water
100 %
