Matter and Change

What type of mixture is this?

• homogenous mixture
• chemical
• heterogeneous mixture 
• solid mix

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

• colloid
• compound
• element
• solution

Tags

NGSS.MS-PS1-1

A mixture in which different materials can be identified easily

• element
• heterogeneous mixture
• homogeneous mixture
• solution

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

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

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

• Homogeneous Mixture
• Heterogeneous Mixture
• Pure Substance

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 is NOT a chemical change?

• Leaves changing colors in the fall
• Iron rusting
• Digesting Lunch
• Ice Melting

Tags

NGSS.MS-PS1-2

This chart represents the melting points and boiling points for four substances.  Which substance is a solid at -200⁰C?

• chlorine
• nitrogen
• oxygen
• hydrogen

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Which of the following is an example of a physical change?

• Lighting a match
• Burning wood
• Breaking a glass
• Rusting of iron

Which of the following statements correctly explains the difference between the two mixtures in the diagram below?

• Mixture 1 is homogeneous because the different particles are unevenly distributed.
• Mixture 1 is heterogeneous because the different particles are evenly distributed.
• Mixture 2 is homogeneous because the different particles are unevenly distributed. 
• Mixture 2 is homogeneous because the different particles are evenly distributed.