CCMA Semester Review

For many centuries, most people believed all celestial objects such as stars and the sun revolved around Earth. But we NOW know this is wrong, NOT TRUE. The theory that is TRUE today is called what?

• Geocentric Theory

• Heliocentric Theory

• Center Theory

• Celestial Theory

Tags

NGSS.MS-ESS1-1

Which of the following is the correct calculation for determining the density of an object with a mass of 54 g and a volume of 6 mL?

• 6 ÷ 54

• 6 x 54

• 54 ÷ 6

• 6 + 54

A student has a substance with a density of 1.28 g/cm3. Which sample does the student have?

• Sample 1

• Sample 2

• Sample 3

• Sample 4

Tags

NGSS.MS-PS1-2

• Aluminum

• Brass

• Copper

• Gold

Tags

NGSS.MS-PS1-2

List the steps of the scientific method

d

e

f

c

b

a

Conduct experiment

Ask a question

Analyze results

Communicate results

Draw conclusions

Form a hypothesis

Tags

NGSS.MS-PS2-2

The provided table shows the properties of four different sample materials. One of these materials is cork, a type of wood that floats on water (density of water = 1.00 g/cm3).

What is the density of cork in g/cm3?

• 1.18

• 1.73

• .23

• 1.28

Tags

NGSS.MS-PS1-2

The table provides the densities of several substances.

A student has a sample of an element that has a volume of 6.7 cm3 and a mass of 75.7 g. Based on the density, which element on the table could it be?

• Germanium

• Iron

• Lead

• Mercury

Which team do you think will win this game of tug of war based on the picture?

• Blue Team because of greater force

• Red Team because of greater force

• No winner because forces are balanced

• No winner because forces are unbalanced

Tags

NGSS.MS-PS2-2

What best explains what is happening in this force diagram?

• Moving right because forces are unbalanced.

• Moving left because forces are unbalanced.

• Sitting still because forces are unbalanced.

• Moving at a constant speed because forces are balanced.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

At what point on the track will the rollercoaster have the greatest amount of potential energy?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2