Inspire Science - Unit 1, Lesson 1 Review

What is the definition of a force?

• a push or a throw

• a push or a pull

• a high-five

How does friction affect an object?

• speeds an object up

• slows an object down

• doesn't affect an object

Tags

NGSS.MS-PS2-2

An object in motion stays in _____?

Tags

NGSS.HS-PS2-1

An object at rest, stays at ____?

What is the definition of speed?

• how an object's position changes over time

• lightning

• how an object's position stays the same over time

Tags

NGSS.MS-PS3-1

What is velocity?

• the sound of an object

• how big an object is

• the speed and direction of an object

How can you determine the speed of an object?

• multiply the distance traveled by the time spent moving

• divide the distance traveled by the time spent moving

Tags

NGSS.MS-PS3-1

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

• balanced

• unbalanced

A girl pushes her chair across the room. This is an example of

• chemical energy

• potential energy

• balanced forces

• unbalanced forces

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why do objects in motion tend to stay in motion?

• intertia

• gravity

• acceleration