Semester 1 Review

A researcher is searching for a way to produce hydrogen for fuel cells that requires less energy input.

• Analytical Chemistry

• Biochemistry

• Organic Chemistry

• Physical Chemistry

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

A medical researcher is trying to determine how digestion enzyme performance responds to changes in pH in rats.

• Organic Chemistry

• Analytical Chemistry

• Biochemistry

• Inorganic Chemistry

A researcher is studying rocks to try to find the best way to separate out valuable (non-carbon) elements.

• Inorganic Chemistry

• Analytical Chemistry

• Physical Chemistry

• Biochemistry

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

A pool store manager tests a water sample a customer has brought in to determine the concentrations of key chemicals.

• Organic Chemistry

• Analytical Chemistry

• Biochemistry

• Inorganic Chemistry

A balloon filled with carbon dioxide contains a

• Atom
• Element
• Mixture
• Compound

Tags

NGSS.MS-PS1-1

A balloon filled with Helium (He) contains a

• Atom
• Element
• Mixture
• Compound

Tags

NGSS.MS-PS1-1

The basic unit of matter is

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

Tags

NGSS.MS-PS1-1

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

Atoms of an element always have a certain number of

• neutrons
• protons
• electrons
• ions

Tags

NGSS.HS-PS1-8

Convert 17 m to cm:

• 0.17 cm
• 0.017 cm
• 1,700 cm
• 170 cm