Non-contact Forces

Force of attraction or repulsion

• magnetism

• friction

• gravity

• motor

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-4

A magnetic field applies a force to an object

• when it touches another object

• when it touches a magnetic object

• without touching a magnetic object

• only sometimes

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How can you strengthen an electromagnet?

• more loops of wire

• less loops of wire

• weaker battery

• use wood

How can you strengthen an electromagnet?

• stronger battery (more voltage)

• weaker battery (less voltage)

• less coils of wire

• use wood instead of a nail

Tags

NGSS.MS-PS2-3

Which of these is NOT used to make an electromagnet?

• Iron nail

• Copper wire

• Battery

• Wood rod

Converts electrical energy into mechanical energy

• Motor

• Generator

• Electromagnet

• Electromagnetic induction

Tags

NGSS.MS-ETS1-1

Converts mechanical energy into electrical energy

• Motor

• Generator

• Electromagnet

• Electromagnetic Induction

Tags

NGSS.HS-PS3-3

An electromagnet is a temporary magnet. What does this mean?

• It is always magnetic

• The magnetism can be turned on or off

• It has 3 poles

• It is a strong magnet

Tags

NGSS.MS-PS2-3

Which battery would pick up the most paperclips if used to create an electromagnet?

• 10 V battery

• 1 V battery

• 1.5 V battery

• 5 V battery

Tags

NGSS.MS-PS2-3

Which electromagnet would pick up the most paperclips?

• 1 loop of wire

• 10 loops of wire

• 50 loops of wire

• 100 loops of wire