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Figure 1 diagram shows an ice cube in a cup. Figure 2 shows the ice cube melted to water in the cup. Which property of the ice cube remains the same both before and after it melted?

• color

• shape

• mass

• temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A child rides a wagon down a hill. Eventually, the wagon comes to a stop. Which is most responsible for causing the wagon to stop?

• gravity acting on the wagon

• the mass of the wagon

• friction acting on the wagon

• the mass of the child

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Four different students take turns pushing a large, heavy ball on the school parking lot. What is the best way to determine which student used the most force to push the ball?

• compare the sizes of the students

• compare the ages of the students

• compare the distances that the ball rolled

• compare the number of times the ball was rolled

Tags

NGSS.3-PS2-1

A pencil falls off of a desk. What moves the pencil toward the floor? 

• mass

• friction

• gravity

• speed

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

List the steps of the scientific method

d

e

f

c

b

a

Conduct experiment

Analyze results

Form a hypothesis

Communicate results

Draw conclusions

Ask a question

Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion? 

• ball with a mass of 5 kg 

• ball with a mass of 10 kg 

• ball with a mass of 15 kg 

• ball with a mass of 20 kg

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What can cause a moving object to increase its speed in a forward direction? 

• a force pushing on the object from the opposite direction 

• a force that continually acts on the object in the direction the object is moving 

• an increase in the mass of the object 

• a decrease in the mass of the object 

Tags

NGSS.MS-PS2-2

Which investigation will best test the effects of gravity on moving objects?

• pencils falling from the same height

• balloons floating upward from the same height

• a bicycle speeding up on a flat surface

• a ball slowing down on a flat surface

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

A change from one state (solid or liquid or gas) to another without a change in chemical composition

• Matter

• Phase Change

• Chemical Change

Tags

NGSS.MS-PS1-4

This is an image of a ____________.

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4