MATTER, PROPERTIES, AND CHANGES

What type of mixture is air (with smog) ?

• Homogeneous

• Heterogeneous

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 mixtures?

• Sodium bicarbonate (NaHCO₃)

• Steel (Fe + C)

• Salt water (NaCl + H₂O)

• Gold (Au)

Which of the following are compounds?

• Silver nitrate (AgNO₃)

• Bronze (Cu + Sn)

• Sugar (C₁₂H₂₂O₁₁₎

• Blood

Tags

NGSS.MS-PS1-1

Which of the following is an element?

• Lead metal

• Iron rust

• Aluminum foil

• Silver sulfate

What type of matter is this?

• Compound

• Element

• Mixture of elements

• Mixture of compounds

Tags

NGSS.MS-PS1-1

What type of matter is this?

• Element

• Compound

• Mixture of elements

• Mixture of compounds

Tags

NGSS.MS-PS1-1

How do you identify a compound?

• Same type of atoms and molecules

• Same type of atoms different type of molecules

• Different type of atoms same type of molecules

• Different type of atoms and molecules

Tags

NGSS.MS-PS1-1

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