Amplify Unit 1 Chapter 4

What makes the floating train start to rise off of the tracks?

• Repelling magnetic forces between a magnet in the train and one in the tracks

• Attracting magnetic forces between a magnet in the train and one in the tracks.

Tags

NGSS.MS-PS2-3

What makes the floating train fall back down onto the tracks?

• Repelling magnetic force between a magnet in the train and one in the tracks.

• Gravity, an attracting force between the train and Earth

Tags

NGSS.MS-PS2-4

Two forces can be exerted on an object at the same time

• True

• False

Tags

NGSS.MS-PS2-2

When forces exerted on an object are balanced, the objects....

• movement changes

• movement does not change

Tags

NGSS.3-PS2-1

When something is not changing, Scientists say that it is......

• non-stable

• stable

• growing

What are these two men creating?

• They are creating a balanced force, which will result in the couch moving

• They are creating an unbalanced force, which will result in the couch moving

• They are creating a magnetic force, which will result in the couch moving

• They are creating a pull, which results in the couch moving

Tags

NGSS.MS-PS2-2

Which kind of force is happening here?

• magnetic force

• unbalanced force

• non-touching-force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The table in this picture pushes up on the book while gravity pulls it down. The two forces have equal magnitude but work in opposite directions. They are....

• balanced forces

• magnetic forces

• unbalanced forces

• non-touching forces

Tags

NGSS.3-PS2-1

A _______ is when multiple forces of equal strength act on an object

• pattern

• design

• balanced force

• magnetic force

A ______ happens when multiple forces of unequal strength act on an object

• touching force

• unbalanced force

• magnetic force

• balanced force

Tags

NGSS.MS-PS2-2