Matter and Change

What type of mixture is chocolate chip ice cream?

• Homogeneous

• Heterogeneous

Which of the following are pure substances?

• Carbon dioxide (CO₂)

• Milk

• Salt water

• Nitrogen (N₂)

Which of the following are compounds?

• Silver nitrate (AgNO₃)

• Bronze (Cu + Sn)

• Sugar (C₁₂H₂₂O₁₁₎

• Blood

Tags

NGSS.MS-PS1-1

What type of matter is this?

• Element

• Compound

• Mixture of elements

• Mixture of compounds

Tags

NGSS.MS-PS1-1

What type of mixture is air (with smog) ?

• Homogeneous

• Heterogeneous

Which of the following are evidences of a chemical change?

• Change of color (unintended)

• Change of shape

• Change of size

• Change of odor

Tags

NGSS.MS-PS1-2

Which of the following are evidences of a physical change?

• Change of size

• Change of color (unintended)

• Change of state of matter

• Change of odor (Unintended)

Tags

NGSS.MS-PS1-4

Which of the following are examples of chemical properties?

• Conductivity

• Flammability

• Reactivity

• Malleability

You can identify this mixture because you can only see one phase

• Mixture of elements and compounds

• Mixture of compounds

• Homogeneous

• Heterogeneous

Which of the following are examples of chemical changes?

• Burning paper

• Cutting paper

• Iron rusting

• Wrinkling paper

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5