SCI 7 1st Semester Review

What is a system?

• The ability to make things move or change.

• To change from one type to another.

• A set of interacting parts forming a complex whole.

• The energy that is stored in an object or system

A proposed answer to a question about the natural world:

• Claim

• Evidence

• Model

• System

Tags

NGSS.MS-PS3-5

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is energy?

• The ability to making things move or change.

• A claim supported by evidence.

• A proposed answer to a question about the natural world.

• Information about the natural world that is used to support or go against a claim.

To move from one place to another or one object to another.

• Generator

• Energy

• Convert

• Transfer

Tags

NGSS.MS-PS3-5

To change from one type to another

• Generator

• Energy

• Convert

• Transfer

Tags

NGSS.MS-PS3-5

Speed in a particular direction.

• Friction

• Velocity

• Matter

• Mass

A push or pull that can change the motion of an object.

• Friction

• Velocity

• Force

• Speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is NOT a way an object's motion can change?

• Start Moving

• Slow Down

• Change Directions

• Speed

What are the strength and direction of the forces in a collision?

• Same strength forces in the same direction.

• A stronger force is applied to the heavier object, both forces move in the same direction.

• A stronger force is applied to the lighter object, both forces move in opposite directions

• Same strength forces in opposite directions.

Tags

NGSS.MS-PS2-1

The moment when two objects hit each other:

• Friction

• Collision

• Velocity

• Cause

Tags

NGSS.MS-PS2-1