The train starts moving without anything touching it and that change is evidence of a force. We found evidence that there must be...

a magnet in the track repelling a magnet in the train.

microgravity making the train weightless.

strong air being pushed up to lift the train.

no gravity to keep the train on the tracks.

The train falls back to the tracks because of the force of gravity.

Gravity acts between the train and Earth to pull it down to the tracks.

Gravity acts between the wheels and the track to roll it down.

Gravity is turned back on by a switch and the train falls.

Gravity is increased when needed to stop the train.

What two forces are acting on the glasses?

The touching force of the books and non-touching force of gravity.

Friction with the books and lift of the table.

The pulling force of magnetism and air resistance.

Static electricity is reacting with friction to keep the glasses still.

We learned that the paperclip floats because...

the force of magnetism and the force of gravity are balanced.

the strength of the magnet is stronger than the string.

the two forces acting on the paperclip are unbalanced.

the string holds the paperclip up in the air so that it won't fly away.

Why is it important that structures like a bridge have balanced forces acting on it?

To ensure that the bridge doesn't fall and our drivers can safely cross.

So that the cables hold the bridge up like a person's pants.

To ensure the water stays under the bridge.

To make sure that the bridge be moved to rise above the waves.

When the track is turned on, the train starts to rise up off the tracks.

Unbalanced forces allow the magnetic force to overcome gravity and rise.

Balanced forces keep the train on the track.

What are the two balanced forces acting on the train to make it float?

Magnetic force pushing up is of equal strength to the force of gravity pushing down allowing the train to float.

Magnetic force is stronger than Earth's gravity making the forces unbalanced.

Balancing Forces: Practice & Review

Quiz

•

Science

•

3rd Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-2, MS-PS2-3, MS-PS2-4

+21

Standards-aligned

Amy Richmond

Used 21+ times

FREE Resource

62 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

We have been learning about how objects move by becoming student...

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS3-1

2.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

A person who investigates, observes, and gathers evidence to gain and share understanding and knowledge is a ...

dentist

scientist

teacher

writer

Tags

NGSS.MS-LS1-1

NGSS.MS-LS3-1

3.

MULTIPLE SELECT QUESTION

0 sec • 1 pt

By organizing our data into tables and graphs we can better see...

patterns in our evidence to help us understand key concepts.

rectangles and squares to help us become better at math.

random pieces of data to confuse us.

neat rows and columns.

Tags

NGSS.MS-PS3-1

4.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

We can use all 5 of our senses to gather information.

Tags

NGSS.MS-LS1-8

5.

DRAG AND DROP QUESTION

1 min • 3 pts

Scientists can (a) an (b) to describe how or why something works or happens and (c) it with other scientists.

math problem

recipe

explanation

share

write

Tags

NGSS.MS-LS1-3

NGSS.MS-PS3-5

6.

MULTIPLE CHOICE QUESTION

0 sec • 1 pt

Scientists can gather information and evidence from books.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Choose the photograph that shows evidence that a force is acting on an object by stopping the motion.

Tags

NGSS.MS-PS3-5

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Balancing Forces: Practice & Review

62 questions

We have been learning about how objects move by becoming student...

A person who investigates, observes, and gathers evidence to gain and share understanding and knowledge is a ...

By organizing our data into tables and graphs we can better see...

We can use all 5 of our senses to gather information.

Scientists can (a) an (b) to describe how or why something works or happens and (c) it with other scientists.

Scientists can gather information and evidence from books.

Choose the photograph that shows evidence that a force is acting on an object by stopping the motion.

What makes an object start to move?

A force is a (a) by one object on another.

A force acts between (a) objects.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Balancing Forces: Practice & Review

62 questions

We have been learning about how objects move by becoming student...

A person who investigates, observes, and gathers evidence to gain and share understanding and knowledge is a ...

By organizing our data into tables and graphs we can better see...

We can use all 5 of our senses to gather information.

Scientists can ​ (a) an ​ (b) to describe how or why something works or happens and ​ (c) it with other scientists.

Scientists can gather information and evidence from books.

Choose the photograph that shows evidence that a force is acting on an object by stopping the motion.

What makes an object start to move?

A force is a ​ (a) by one object on another.

A force acts between​ (a) objects.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

Scientists can (a) an (b) to describe how or why something works or happens and (c) it with other scientists.

A force is a (a) by one object on another.

A force acts between (a) objects.