Force, Motion, and Energy Unit

A car traveling down a ramp made of wood will move faster or slower than a car traveling down a ramp made of carpet?

• slower

• both

• the same speed

• faster

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A force is a push or a pull. When a force is greater on one side the force is considered to be a(n) __________.

• balanced force

• effort force

• unbalanced force

• push or pull

Tags

NGSS.3-PS2-1

Looking at the picture below, the force of gravity is __________.

• decreasing
• increasing

• staying the same

• steady

If an object has a force of 40N and 50N but gravity is pulling the object down, and the force is pulling the object up, what conclusion can be formed?

• The force and gravity are equal

• There is more force

• There is less force

• There is an equal force

Tags

NGSS.MS-PS2-2

The amount of friction depends on two things: 1) the surface of the two objects and 2) the force pressing the surfaces together. So, the least amount of friction the (a) ______ an object will move and the more the friction the (b) ______ an object will move. Choose from the below words: Faster, Slower.

• faster, slower

• slower, faster

• faster, faster

• slower, slower

Gravity is an attractive force between any two objects due to ________.

Tags

NGSS.MS-PS2-4

If a ball is rolling down a hill, the faster the ball moves and the heavier the ball is then the more kinetic energy it has. So, what must be true about the ball?

• The ball has no kinetic energy

• The ball has the most kinetic energy when it stops rolling.

• The ball has the most kinetic energy while it is rolling.

• The ball has potential energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Gravity is a type of force that is always acting on us and this is due to mass, which is a measure of the quantity of matter. So, if you had 3 sheets of paper: 1) a crumpled piece of paper, 2) a paper airplane, and 3) an unfolded sheet of paper. Which one would drop to the ground faster?

• the crumpled up paper

• the paper airplane

• the unfolded sheet of paper

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

If something is moving it has (a) ______ energy. If something is about to move it has (b) ______ energy. Choose from the below words: Kinetic, Potential.

• Kinetic, potential

• Potential, kinetic

Tags

NGSS.MS-PS3-2

Magnetism is a force that cannot be seen and acts over a distance and causes (a) ______ poles to repel and (b) ______ poles to attract. Choose from the below words: Like, Opposite

• Like, opposite

• Opposite, like

Tags

NGSS.MS-PS2-5