Lesson 1 Review - Energy and Motion

How can you determine the speed of a moving train?

• divide the distance traveled by the time spend moving.

• divide the time spent moving by the direction traveled

• multiply the distance traveled by the time spent moving

• multiply the kinetic energy by the distance traveled

Tags

NGSS.MS-PS3-1

An object that is sitting still has ___________________ forces acting on it.

• unbalanced

• balanced

A boy pushed on a box and moves it across the room. This is an example of _________________________

• chemical energy

• potential energy

• balanced forces

• unbalanced forces

Tags

NGSS.MS-PS2-2

Objects in motion tend to stay in motion because of the property of _______________.

• inertia

• gravity

Dana is the pitcher for her baseball team. What forces cause the baseball to change direction when it is hit by the bat?

• The pitcher's force on the ball as he throws

• The batter's force on the ball with the bat

• The batter's force on the ball as he misses.

• The catcher's force on the ball with his mitt.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The distance traveled in an amount of time is called ______________.

• force

• speed

• inertia

• friction

Tags

NGSS.MS-PS3-1

________________ describes when a moving object speeds up.

• velocity

• acceleration

If you drop a rock in a lake, the rock will slow down because the water exerts __________________

• gravity

• less resistance

• drag forces

• velocity

__________________ causes head when you rub your hands together.

• Friction

• Energy

• Motion

Tags

NGSS.MS-PS3-3