Forces and motion pretest

Every motion is

• forward or backward

• a push or pull

• fast or slow

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When two object are in contact with one another they:

• dent one another

• exert force on one another

• stick together

• become one object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

when a force is greater than an opposing force it

• destroys the other force

• causes motion in the direction of the greater force

• combines with the opposing force

• reflects off of the opposing force and changes direction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

When an object has high friction it moves:

• faster

• slower

• backward

• forward

When an object has low friction it moves:

• forward

• sideways

• faster

• slower

Tags

NGSS.MS-PS3-1

the force of a car sitting on a bridge is an example of a:

• pull

• weight

• force

• push

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

objects with smooth surfaces have

• no sharp edges

• high friction

• shiny surfaces

• low friction

rough surfaces like sandpaper have:

• tiny bumps

• low friction

• uneven surfaces

• high friction

magnets are attracted to object with this in them

• metal

• iron

• magnetic dust

• minerals

Tags

NGSS.MS-PS2-3

magnets can _____ or ________ on another magnet

• stick, pull

• pull, push

• attach to, pull

• attract or push

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5