Honors Chem

The correct value for the length of a metal cylinder is 32.1 cm. Which of the following sets of measurements of this rod could be considered precise but not accurate?

• 32.1 cm, 32.0 cm, 32.1 cm

• 38.1 cm, 38.0 cm, 38.1 cm

• 12.6 cm, 22.6 cm, 32.6 cm

• 12.8 cm, 12.6 cm, 42.6 cm

The base unit of time in the SI system is the

• candela

• light-year

• ampere

• second

Water boils at ______ degrees on the Celsius scale.

• 212

• 32

• 0

• 100

Which of the following has the greatest density?

• 
• 
• 

Tags

NGSS.HS-PS1-3

A potential variable in an experiment that is held constant is called a(n)

• independent variable

• controlled variable

• dependent variable

• manipulated vairable

A variable in an experiment that changes as a result of changing something else is called a(n)

• independent variable

• controlled variable

• dependent variable

• manipulated vairable

Tags

NGSS.MS-PS2-2

Anything that has mass and takes up space is

• matter

• product

• energy

• intermediate

Kelvin is the SI unit for

• mass

• electric current

• amount of substance

• temperature

Ampere is the SI unit for

• mass

• electric current

• amount of substance

• temperature

Tags

NGSS.HS-PS2-5

Mole is the SI unit for

• mass

• electric current

• amount of substance

• temperature