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WorksheetsForces, Motion, and Energy
Total questions: 40
Worksheet time: 21mins
Pick the two factors that affect the gravitational pull of an object.
mass
volume
distance
shape
Making a surface smoother can decrease the force of:
gravity
friction
magnetism
If two unbalanced forces are pulling on an object in opposite directions, which way will the object move?
in the direction of the greater force
in the direction of the lesser force
it won't move at all
Which part of a bar magnet has the strongest magnetic force?
poles
middle
What is the math formula for calculating speed?
distance divided by time
time divided by distance
distance multiplied by time
Which of the following is true?
Energy cannot be created or destroyed, only transformed.
Energy can be created but not destroyed.
Energy can be destroyed but not created.
What form of energy is always produced during an energy transformation?
light
sound
heat
nuclear
What happens to the motion of molecules when they are heated?
Motion increases.
Motion decreases.
Motion stays the same.
What property of light causes the pencil in the water to appear broken?
absorption
reflection
refraction
Sound waves will not travel through a:
solid
liquid
gas
vacuum
When heat is transferred through direct collision of particles in a solid, it is called:
conduction
convection
radiation
When heat circulates throughout a liquid or gas, it is known as:
conduction
convection
radiation
Which of the following are types of electromagnetic energy? Choose all the correct answers.
gamma rays
sound waves
radio waves
mechanical energy
Which of the following is true of electrical charges?
A positive charge is attracted to a negative charge.
A negative charge repels a positive charge.
A positive charge is attracted to another positive charge.
The north pole of a magnet is attracted to:
the north pole of another magnet
the south pole of another magnet
The energy of a moving object is known as:
kinetic energy
potential energy
Imagine you threw a paper airplane. What force causes the paper airplane to eventually fall to the ground?
Gravity
Electricity
Magnetism
If light energy passes through a substance, we say it is:
absorbed
transmitted
reflected
Which of the following have a longer wavelength than visible light? Choose all the correct answers.
infrared
microwaves
X-rays
ultraviolet
Based on Newton's second law, which of the following could you make accelerate faster using the same force?
a smaller mass
a larger mass
Based on Newton's 2nd Law, how could you make an object with the same mass accelerate faster?
Use more force.
Use less force.
Which of Newton's laws explains why objects in the back seat of a car fly forward when the car stops suddenly?
1st Law: An object in motion stays in motion and an object at rest stays at rest.
2nd Law: Force = mass x acceleration
3rd Law: For every action, there is an equal and opposite reaction.
Which of Newton's Laws explains why a rubber ball bounces back up after you throw it against the ground?
1st Law: An object in motion will stay in motion, and an object at rest will stay at rest.
2nd Law: Force = mass x acceleration
3rd Law: For every action there is an equal and opposite reaction.
At which point does the water have the greatest kinetic energy?
A
B
C
D
Which two simple machines are part of the wheelbarrow?
lever and wheel and axle
wheel and axle and pulley
pulley and inclined plane
Which form of energy is being converted to electrical energy by the batteries in the flashlight?
chemical
nuclear
solar
sound
If you push on a wall with 48 N of force and neither of you move, how much force is the wall exerting on you?
24 N
48 N
96 N
0 N
A ramp is a type of:
inclined plane
pulley
wheel and axle
lever
Which of the following are good conductors of electricity? Choose all correct answers.
copper
plastic
glass
aluminum
A substance that does not allow the flow of electricity is known as:
a conductor
an insulator
Which graph shows an object speeding up?
Which of the following would increase the amount of potential energy? Choose all correct answers.
Standing on a higher diving board before diving
Eating more Calories at breakfast
Putting more gasoline in your car
Pulling a bowstring back farther before shooting an arrow
Your kinetic energy decreases when you:
move faster
move slower
The diagram shows light waves being:
reflected
absorbed
transmitted
An electrical circuit needs to be complete in order to maintain the flow of:
electrons
protons
neutrons
Which color of visible light has the shortest wavelength?
red
yellow
green
violet
Which type of electromagnetic energy causes sunburn and skin cancer?
visible light
microwaves
X-rays
ultraviolet light
Which type of electromagnetic energy is used to detect broken bones?
X-rays
radio waves
microwaves
ultraviolet light
Why are microwaves useful to humans?
They are used to detect broken bones.
They are used to cook food.
They are used to kill cancer cells.
They are the only type of light humans can see.
Which type of electromagnetic energy is made up of the various colors that humans can see?
gamma rays
microwaves
X-rays
visible light
