Physical Science Final Review

Which of the following is true?

• Your mass is less on the moon while your weight stays the same.

• Your weight is less on the moon while your mass stays the same.

• Both your mass and weight are less on the moon than they are on Earth.

• Your mass and weight are the same on the moon as they are on Earth.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

A hypothesis is a

• conclusion drawn from the results of an experiment

• place where scientists publish their results

• statement that can be tested experimentally

• relationship between two variables

Tags

NGSS.HS-PS1-2

Which of the following is a qualitative observation?

• A substance melts at 28 degrees Celsius.

• An object has a mass of 40 kilograms.

• A mixture has a strong smell.

• A car is traveling at 30 miles per hour.

1 kilogram = ______ grams

• 10

• 100

• 1,000

• 1,000,000

The smallest unit of an element that retains the properties of that element is a(n)

• atom

• compound

• mixture

• millimeter

Tags

NGSS.MS-PS1-1

Which state of matter has a definite volume but no definite shape?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

Which of the following is a physical change?

• Iron rusting

• Wood burning

• Bread growing mold

• Water freezing

Which state of matter has the least energy?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS3-4

A student makes several measurements to determine the density of a liquid. The measurements vary widely, but the average of the results is close to the true value. Her results are _____

• accurate, but not precise

• precise, but not accurate

• neither precise nor accurate

• both accurate and precise

Two or more elements that are chemically bonded form a(n)

• element

• compound

• heterogeneous mixture

• homogeneous mixture

Tags

NGSS.MS-PS1-1