Lost at Sea

The north and south poles of two magnets ______________ each other.

• a. have no reaction to
• b. move away from
• c. repel
• d. attract

Tags

NGSS.3-PS2-3

If you placed the south pole of one bar magnet near the south pole of another bar magnet, the two magnets would __________ each other.

• attract
• cancel
• repel
• discharge

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The Earth is a giant magnet.

• true
• false

Iron, Nickel and cobalt are all __________________ materials

• Shiny
• poles
• magnetic
• cold

Tags

CCSS.RI.7.3

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.3

CCSS.RI.9-10.5

How is a permanent magnet DIFFERENT from a temporary magnet?

• A permanent magnet attracts materials made of iron.
• A permanent magnet has poles.
• A permanent magnet has a magnetic field.
• A permanent magnet keeps its magnetism for a long time.

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is the net force in this picture?

• 50 Newtons to the right
• 950 Newtons to the right
• 950 Newtons to the left
• 50 Newtons to the left

Tags

NGSS.MS-PS2-2

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Tags

NGSS.MS-PS2-2

Which one is balanced?

• top
• bottom
• both

Tags

NGSS.3-PS2-1