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WorksheetsPhysical Science 8th grade
Total questions: 32
Worksheet time: 25mins
Numbers in Science, especially physics should also include...
direction
unit
variable
Which scientist invented the telescope used to see stars today?
Isaac Newton
Albert Einstein
Galileo Galilei
James Maxwell
Weight is...
The change in position of an object over time
The total amount of force on an object
A push or pull on an object
The effect of gravitational force on the mass of an object
Motion is...
The change in position of an object over time
The total amount of force on an object
A push or pull on an object
The effect of gravitational force on the mass of an object
Force is...
The change in position of an object over time
The total amount of force on an object
A push or pull on an object
The effect of gravitational force on the mass of an object
Gravity is...
A branch of science that deals with matter, energy, motion and force
Force of attraction between two objects due to their masses
A force that opposes motion
tendency of an object to resist change in motion
Physics is...
A branch of science that deals with matter, energy, motion and force
Force of attraction between two objects due to their masses
A force that opposes motion
Tendency of an object to resist change in motion
Inertia is...
A branch of science that deals with matter, energy, motion and force
Force of attraction between two objects due to their masses
A force that opposes motion
Tendency of an object to resist change in motion
What is a push or pull on an object
Motion
Force
Gravity
Friction
What pull a ball back to earth?
Gas
Friction
Gravity
Molecule
The rougher the surface, the faster an object will travel over the surface.
True
False
Maybe
It is easier to ride a bicycle down a hill than to ride up a hill because______ helps the bicycle move down the hill
Gravity
Rotation
Friction
Peanut ran 50 meters in 10 seconds. What was Peanut's average speed?
2m/s
5m/s
5 Km/s
5m/s North
What two measurements are necessary for calculating speed?
Mass and Time
Mass and Distance
Temperature and Mass
Distance and Time
Which of the following is the unit for calculating acceleration?
Km/s
m/hr
m/s2
m2/s
If these boys are pulling with the same amount of force. What will happen?
The boy in Blue will win
The boy in Red will win
They will not move at all
Both will fall
Why is it hard for person B to move down the hill?
Person B has more friction than person A
Person B has the same friction than person A
Person B has less friction than person A
Person B is out of shape
When a skydiver is falling through the air, what is the name of the force acting upward?
Gravity
Air resistance
The moon
Upward force
Which of these is an effect of force? (tick the correct answers)
It can start a motion
It can change the direction of motion
It can stop motion
it can change the shape of an object
It can change the speed of a moving object
What force holds the planets in motion around the sun?
Magnetic force
Electric force
Gravitational force
Air resistance
The measure of the AVERAGE kinetic energy of the particles in an object.
heat
temperature
thermal energy
kinetic energy
Work= _____x_____
Time x Distance
Force x Distance
Power x distance
All of the above
Sound waves are unable to travel through ________.
air
vacuum
water
wall
What is anything that takes up space and has weight?
water
matter
mass
volume
What is not a state of matter?
jelly
solid
liquid
gas
Physics allows you to study and calculate things that cannot be perceived by plain sight, such as soundwaves.
True
False
how are work and energy related ?
energy and work are kinds of motion
energy and work are needed to do anything that needs movement
energy and work produce heat
energy is the ability to do work, so you need energy for work
Acceleration is defined as the CHANGE in
time it takes for one place to move to another place.
velocity of an object.
distance divided by the time
velocity divided by the time
A horse follows a dangling carrot for 20 m, if it took her 50 seconds to reach it, what was her average velocity?
1,000 m/s
2.5 m/s
0.4 m/s
20 m/s
