Pick 2 items that are less dense than water

• pencil

• green marble

• dark brown block

• light brown block

Why does the green marble behave the way it does in the beaker of water compared to the orange marble?

• The green marble and the orange marble have the same shape

• The green marble and the orange marble have different densities

• The green marble and the orange marble are the same size

• The green marble and the orange marble are the same state of matter

A material that allows heat or an electric current to

flow through easily

• Conductor

• Insulator

Tags

NGSS.MS-PS3-3

A material through which heat or electricity does

not easily flow

• Conductor

• Insulator

Which of the following is a good conductor of thermal (heat) energy?

• paper

• plastic

• metal

• wood

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which two of the following are good insulators of thermal (heat) energy?

• copper

• styrofoam

• cotton fabric

• iron

Tags

NGSS.MS-PS3-3

What can be concluded from the picture?

• Ball 2 is less dense than ball 1

• Ball 2 is more dense than ball 1

• Ball 3 is less dense than ball 1

• Ball 3 is more dense than ball 2

What state of matter is shown?

Tags

NGSS.5-PS1-1

NGSS.5-PS1-3

What state of matter is shown?

Tags

NGSS.5-PS1-1

What state of matter is shown?

Tags

NGSS.MS-PS1-1