Matter and Change

This picture represents: 

• Element
• Compound
• Mixture of Elements
• Mixture of Compounds

Tags

NGSS.MS-PS1-1

A substance with two or more elements that are combined in a fixed proportion

• colloid
• compound
• element
• solution

Tags

NGSS.MS-PS1-1

Which of the following is an element?

• Sugar, C6H12O6

• Salt, NaCl

• Water H2O

• Gold, Au

A mixture that is so evenly mixed you can't see the parts.  Such as Kool-Aid

• Homogeneous Mixture
• Heterogeneous Mixture
• Pure Substance

Can usually be separated in your kitchen (by physical means)

• Pure Substance & Element
• Pure Substance & Compound
• Mixture & Homogenous
• Mixture & Heterogenous

A mixture that is NOT evenly distributed is called ....

• Compounded
• Homogenous
• Heterogenous
• Salty

If you change a substance into a new substance...

• Partial Change
• Physical Change
• Chemical Change
• Freezing

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

Is melting butter for popcorn a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A solid piece of chocolate is melted and changed to liquid form. Which property of the piece of chocolate will remain the same?

• Texture
• Temperature
  
• Shape
•  Mass

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-5