TMSCA Middle School Science 21/22: Physics

TMSCA Middle School Science 21/22: Physics

by Courtney Kiser

Multiple Choice

SI unit of mass is_______________

• kilogram

• newton

• metre

• none

Multiple Choice

How far does the car travel before it reaches a steady speed?

• 10m
• 20m
• 100m
• 200m

Multiple Choice

Weight is:

• The change in position of an object over time

• The total amount of force on an object

• The amount of matter in an object

• The effect of gravitational force on the mass of an object

• A push or pull on an object that puts it in motion

Multiple Choice

Net force is:

• The change in position of an object over time

• The total amount of force on an object

• The amount of matter in an object

• The effect of gravitational force on the mass of an object

• A push or pull on an object that puts it in motion

Multiple Choice

_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

• pressure

• magnetism

• friction

Multiple Choice

What surface would probably offer the least friction if you were to slide a box across it?

Multiple Choice

The rougher the surface, the faster an object will travel over the surface.

• True

• False

Multiple Choice

1. 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

• friction

• rotation

Multiple Choice

What kind(s) of objects have inertia?

• all objects with mass
• only objects at rest
• only objects in motion
• only objects whose motion is being changed

Multiple Choice

Speed is equal to 

• Distance/Time
• Time/Distance
• Time x Distance
• Acceleration

Multiple Choice

What is the unit for FORCE?

• N (Newtons)

• lbs (pounds)

• g (grams)

• m/s (meters per second)

Multiple Choice

Match the description to the graph:

"The car is stopped."

Multiple Choice

Can be measured in meters (m)

• Distance
• Time
• Speed
• Acceleration

Multiple Choice

A soccer ball rolls very slowly toward a soccer player. What happens if the player kicks the ball as hard as she can?

• The ball will change direction and decrease in speed.

• The ball will change direction and increase in speed.

• The ball will travel in the same direction and decrease in speed.

• The ball will travel in the same direction and increase in speed.

Multiple Choice

The Law of Conservation of Energy states:

• Energy can created or destroyed but not transformed 
• Energy cannot be created or destroyed, it can only transformed
• Energy can't be created, destroyed or transformed

Multiple Choice

Which energy transformation below matches?
Animals eating food?

• electrical to potential
• chemical to kinetic
• potential to chemical

Multiple Choice

SI unit of time is_____________

• second

• metre

• kg

• none

Multiple Choice

The rock in the picture is pushed over the edge and it begins to fall. Which type of energy conversion is taking place?

• mechanical to heat

• sound to mechanical

• potential to kinetic

• kinetic to potential

Multiple Choice

Which point on the roller coaster's path represents the maximum potential energy?

Multiple Choice

Maria’s father started a fire in the fireplace. He crumpled some paper, lit a match, and soon the logs in the fireplace were burning. In this case, the stored chemical energy in the logs was changed into

• electrical energy.

• mechanical motion.

• heat and light energy.

• electrical and heat energy.

Multiple Choice

Electrical Energy is transferred to _____ Energy.

• Thermal

• Solar

• Electrical

• None

Multiple Choice

If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals

• twice the force with which it was fired
• the same amount of force with which it was fired
• 1/2 the force with which it was fired
• zero, since no force is requires to keep it moving. 

Multiple Choice

What is the speed of an object that travels 20 meters in 4 seconds?

• 80 m/s
• 0.2 m/s
• 5 m/s
• 24 m/s

Multiple Choice

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Multiple Choice

Which best explains why we are able to accelerate forward when starting to run?

• As one leg moves backward, it provides an equal and opposite force for the other foot to move forward.
• No acceleration takes place. Runners are always at a fixed velocity.
• The striking foot pushes backward against the ground. The friction with the ground provides an equal and opposite force forward.
• The runner's upper body quickly leans forward, causing the entire body to begin accelerating forward

Multiple Choice

What Newtons law does this picture represent

• Newtons 2nd law 
• Law of gravity 
• Newtons 1st law
• Newtons 5th law

Multiple Choice

What is speed?

• how far you go
• how much distance is covered over a period of time
• how fast you accelerate
• the change in the location of a object

Multiple Choice

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Multiple Choice

What is the average speed of this object's trip?
Think about: the distance the object traveled away from its point of origin.

• 0.42 m/s
• 60 m/s
• 12 m/s
• 5 m/s

Multiple Choice

A bullet was fired from a gun straight up into the air from Earth's surface. What forces are acting against upward movement of the bullet to bring it back to Earth?

• Friction between the bullet to bring it back to Earth

• Friction between the bullet and the air on the way up and gravity

• Both A & B

• Neither A or B

Multiple Choice

Alex was conducting a demonstration for science class. He balanced a plastic loop on top of an empty soda bottle. On top of the plastic loop, he placed a metal nut which remained balanced. When all was set, he quickly pulled the loop to the side out from under the metal nut. The metal nut fell directly down into the empty soda bottle. Which law of motion was Alex demonstrating?

• Newton's 1st law of motion

• Newton's 2nd law of motion

• Newton's 3rd law of motion

• Newton's 4th law of motion

Multiple Choice

Motion involves an object's change in position relative to what?

• the friction that slows it down

• The direction that it is moving

• an object's mass and gravity

• a reference point over a period of time

Multiple Choice

What two factors effect gravitational pull?

• weight and size

• distance and volume

• height and mass

• mass and distance

Multiple Choice

An input force of 40N is applied to a machine to produce an output force of 80N. What is the mechanical advantage?

• 3200

• 2

• 1/2

• 3