Science Balancing Forces Weeks 5 & 6

________________ is the pull between Earth and other objects. 

• Non-touching force

• Magnetic force

• Repel

• Gravity

Tags

NGSS.5-PS2-1

A scientific explanation _________.

Select all the correct answers.

• answers a question about how or why something happens 

• uses scientific language 

• is written for an audience 

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

NGSS.MS-PS3-5

When the forces acting on an object are equal and the object is unmoving, the forces are ___________.

• unbalanced

• balanced

• touching

• non-touching

True or False: Two forces can be exerted on an object at the same time. 

• True

• False

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

True or False: A scientific model is typically larger than the real thing. 

• True

• False

A __________ is something scientists make to answer questions about the real world. 

• evidence

• force

• model

• explanation

Tags

NGSS.MS-LS2-3

Magnets that can be turned on and off are called _____________________

• electromagnets

• horseshoe magnets

• bar magnets 

• strong magnets

Bill kicks a soccer ball. What will happen to the motion of the ball immediately after Bill's foot kicks the ball?

• The motion will not change. 

• The ball will go down.

• The ball will go up. 

• The ball will go backward. 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

If forces exerted on an object are balanced, and then the force changes and becomes unbalanced, the object will _____________________. 

• fall

• break

• disappear

• move

Tags

NGSS.MS-PS2-2

If two students are pulling a rope from opposite directions and the rope does not move, the forces are said to be ___________________. 

• friction

• balanced

• inertia

• unbalanced