NGSS.MS-PS2-3

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

Tags

NGSS.MS-PS2-3

What creates the Earth's Magnetic Field?

• The spinning of the mantle around the crust
• The spinning of the outer core around the inner core
• The spinning of the inner core around the outer core
• The spinning of the oceanic crust around the mantle

Tags

NGSS.MS-PS2-3

Magnets that are arranged like this will _______. 

• move away from each other (repel)
• move towards each other (attract)

Tags

NGSS.MS-PS2-3

The closer the charges, the ___________ the force between them

• closer
• further
• stronger
• weaker

Tags

NGSS.MS-PS2-3

A balloon is rubbed all over with wool.  The balloon will now attract wool because the balloon and wool

• are magnets
• have opposite charges
• have like charges
• have neutral charges

Tags

NGSS.MS-PS2-3

Lightning is _____.

• a buildup of neutrons
• harmless
• a high-voltage electric current
• a large discharge of static electricity

Tags

NGSS.MS-PS2-3

At which point is the electric field the weakest?

• A because it is the furthest away
• A because the field lines are further apart
• C because the field lines are further apart
• C  because it is the furthest away

Tags

NGSS.MS-PS2-3

If iron filings are sprinkled around the magnet, what will happen? 

• The filings will move away from the magnet's field.
• The filings within the magnetic field will show an attraction between the north and south poles.
• The filings will not create a pattern.
• The filings within the magnetic field will show how the 2 ends of the magnet are repulsive.

Tags

NGSS.MS-PS2-3

Mr. Anady rubbed two balloons against his wool sweater for 30 seconds each. What will happen when the balloons are brought near each other?

• The balloons will repel each other.

• The balloons will attract each other.

• The balloons will become positively (+) charged.

• The balloons will pop.

Tags

NGSS.MS-PS2-3

How does the electromagnet in the diagram above demonstrate the relationship between magnetism and electricity?

• The wire is wrapped around the iron core, but no electric circuit is present.

• The wire is wrapped around the iron core, but no energy source is present.

• The wire in the electric circuit is wrapped around an iron core producing a magnetic field.

• No circuit is present.

Tags

NGSS.MS-PS2-3