Wednesday Revision Quiz

Can a mixture be separated? 

• No
• Yes
• Only sometimes

Tags

NGSS.MS-PS1-2

What is a compound?

• an atom with more electrons than protons
• a substance in which the atoms of two or more elements are combined together
• an atom with more neutrons than protons
• a substance in which the atoms of three or more elements are combined together

Tags

NGSS.MS-PS1-1

Which of the following cannot be broken down into something simpler?

• A compound
• An element
• A mixture
• A chemical formula

Tags

NGSS.MS-PS1-5

Why do ice cubes float in a  glass of water?

• the ice cubes are more dense than the water
• the water is more dense than the ice cubes
• the water is more dense than the glass
• the ice is more dense than the glass

Tags

NGSS.5-PS1-3

In a ___________change, a substance changes into a different substance.

• Physical
• Chemical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The picture below is an example of _________________.

• osmosis

• isotonic

• diffusion

• active transport

Tags

NGSS.MS-LS1-2

which of the following is evidence of Chemical Change?

• New Substance is formed

• Change of Size

• Change of State

• A Mixture forms

Evidence of a physical change.

• New substance
• Shape Change
• Light produced
• Gas released.

Tags

NGSS.MS-PS1-4

Fireworks Exploding are a ________ change.

• Physical Change
• Chemical Change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A mixture is the result of a physical change because...

• The parts can be separated
• A new substance is made
• There is a chemical reaction
• One part of the mixture disappears