What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

Tags

NGSS.MS-PS2-4

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

• pressure
• magnetism
• friction

Choose the BEST answer that describes how the mass of an object affects its motion.

• The greater the mass of an object, the slower the motion of the object.
• The greater the mass of an object, the faster the motion of the object.
• The greater the mass of an object, the greater the force to move the object.
• The greater the mass of an object, the greater the distance the object will travel.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

4 cars are at the starting line of a race. Which car will require the most force to start moving?

• car with mass of 1200 kilograms

• car with mass of 1500 kilograms

• car with mass of 1700 kilograms

• car with mass of 2000 kilograms

Tags

NGSS.MS-PS2-2

Two friends, Sara and Ben, want to play on the seasaw. Each friend weighs the same amount. What will most likely happen when they get on the seasaw?

• Sara and Ben won't move because the forces are balanced.

• Sara and Ben won't move because the forces are unbalanced.

• Sara will go up and Ben will go down.

• Ben will go up and Sara will go down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Mrs. Coleman's students are trying to move boxes of books. All of the books have some size and weight. One box has 2 books and another box has 10 books. What evidence could you use to support the claim that you need more force to move the box with 10 books?

• It will take more force because all the books are the same size.

• It will take more force because all the books weigh the same.

• It will take more force because the box with 10 books weighs less.

• It will take more force because the box with 10 books weighs more.

Tags

NGSS.MS-PS2-2

Air resistance pushes against falling

objects and __________________.

• Speeds them up

• Keeps them afloat

• Slows them down

• Spins them

What caused the flat sheet to take longer to float to the ground?

• Gravity

• Friction

• Air Resistance