Elements, Compounds, and Mixtures

Mixtures are different than pure substances because mixtures-

• have lower boiling points

• can be separated physically

• are less dense than pure substances

• contain only one type of atom

Beatriz wants to make a mixture out of her bowl of blueberries. Which of the following would turn her bowl of blueberries into a mixture?

• adding more blueberries to the bowl

• adding raspberries to the bowl

• cutting up the blueberries

• mashing the blueberries

Contains only one kind of atom.

• Element
• Compund
• Mixture

What is the relationship between molecules and atoms?

• Molecules are combinations of two or more atoms.

• Molecules are the parts that make up atoms

• Molecules are the gaseous parts of atoms

• Molecules are atoms that have a positive charge

Tags

NGSS.MS-PS1-1

DIFFERENT kinds of atoms chemically combined to form a substance are

• Mixture
• Element
• Compound
• Substance

Tags

NGSS.MS-PS1-1

A mixture that appears to be evenly mixed throughout:

• an atom
• a compound
• a homogeneous mixture
• a heterogeneous mixture

You are eating a pizza. What type of mixture are you consuming?

• homogeneous
• heterogeneous
• pure substance
• The Periodic Table

This contains a variety elements and compounds that ARE NOT chemically combined.

• Water
• Mixture
• Elements
• Compounds

Which of the following is an element?

• Sugar
• Salt
• Water
• Oxygen

The building block of matter is

• Mixture
• Atom
• Element
• Substance

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5