Staar Science 8th

<--------8N  4N-------->

• 2N

• 12N

• 4N

• 32N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

• True

• False

Tags

NGSS.MS-PS2-2

If two forces act on an object in the same direction, the net force is the _____________

• the difference between the two forces

• the sum of the two forces

• Only one of the forces acts on the object

• DOOMSDAY!

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Total distance divided by total time is

• average speed

• constant speed

• instantaneous speed

• acceleration

Pushing  a child on a swing is easier than pushing an adult on the same swing. 

• 1st Law 

• 2nd Law

Tags

NGSS.MS-PS2-2

Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?

• first

• second

• third 

• fourth

What is happening at A?

• Stationary

• Accelerating

• Slower steady speed; moving away from the starting position

• Steady speed; returning to start position

Tags

NGSS.MS-PS3-1

Mechanical Energy is transferred to _____ Energy.

• Solar

• Mechanical

• Electrical

• Potential

Tags

NGSS.MS-PS3-5

What best describes the energy conversion that occurs when you turn on a flashlight?

• electrical to thermal to light

• chemical to electrical to light

• nuclear to electrical to thermal

• kinetic to light to thermal

What is happening at D?

• Stationary

• Accelerating

• Fast steady speed; moving away from the starting position

• Slower steady speed; moving away from the starting position

Tags

NGSS.MS-PS3-1