Chemistry: Learning Cycle #2 Review

Sugar water is an example of a(n)

• element
• compound
• mixture
• atom

Sand is an example a(n)

• a mixture
• a substance
• an atom
• a compound

A substance that contains only one type of atom is a(n)

• compound
• element
• heterogeneous mixture
• homogeneous mixture

Which of these is a pure substance?

• bread
• table salt
• garden soil
• sea water

Tags

NGSS.MS-PS1-4

Which of these is a mixture?

• Uncooked chocolate chips and cookie dough blended together with a spoon.
• Distilled water
• A nugget of gold
• A molecule of Oxygen

Two or more elements chemically combined:

• an atom
• a compound
• a mixture
• a pure substance

Tags

NGSS.MS-PS1-1

If I had a mixture of iron and sand, what would be the best way to separate this mixture?

• Use a filter (sieve)

• Heat the mixture

• Use a magnet

• Add water

If I wanted to separate sand from salt, the best strategy would be to...

• Use a filter (sieve)

• Add water to the mixture and boil the water to evaporate the water

• Use a magnet

Which of the following would be an example of a chemical formula:

• C6H12O6
• F= ma
• 2 H2 + O2 -> 2 H2O
• 6.02 x 10 23

Elements can be broken down into simpler substances. 

• false 
• true 
• sometimes