5/19 Final Exam Review

What is C₃H₈ 
(methane) made up of?

• 1 carbon & 1 hydrogen
• 3 carbons & 8 hydrogens
• 8 carbons & 3 hydrogen
• 11 carbons & 11 hydrogen

Tags

NGSS.MS-PS1-1

What is H₂SO₄ 
(Sulfuric Acid) made up of?

• 2 hydrogen, 1 sulfur, 4 oxygen
• 1 hydrogen, 2 sulfur, 4 oxygen
• 2 hydrogen & 4 sodium
• 1 hydrogen & 6 sodium

Tags

NGSS.MS-PS1-1

What is NaHCO₃ 
(Baking Soda) made up of?

• 1 sodium, 1 hydrogen,
  1 carbon, 3 oxygen
• 1 sodium, 1 hydrogen, 3 cobalt
• 1 nitrogen, 1 hydrogen, 3 cobalt
• 1 nitrogen, 1 hydrogen, 3 cobalt

Tags

NGSS.MS-PS1-1

Which of the following chemical formulas represents a molecule made of 1 potassium, 1 nitrogen, and 3 oxygen atoms?

• KNO₃

• PNO₃

• PNo₃

• KNo₃

Tags

NGSS.MS-PS1-1

A chemical combination of two or more elements

• element

• liquid

• solid

• compound

Tags

NGSS.MS-PS1-1

A pure substance that cannot be broken down into simpler substance by a chemical reaction.

• compound

• element

• solid

• liquid

What is causing precipitation to flow to the lowest point (move)?

• Gravity

• Runoff

• Wind

• Rotation of Earth

• Machines forcing the water to move

Tags

NGSS.MS-ESS2-4

Eutrophication is caused by---

• fertilizer runoff creating algal blooms

• nutrients causes flowers to bloom

• fish grow in algae

• land sinks due to over pumping of groundwater

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Rapid growth of algae in a pond is often the result of -

• loss of habitat due to commercial building.

• flooding that causes water levels to rise.

• excess nutrients from fertilizer runoff.

• clogged river tributaries entering a lake.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

An area of land where all the water drains to the same body of water is called a(n) _____.

• aquifer

• divide

• wetland

• watershed

Tags

NGSS.MS-ESS2-4