U2- L3- Forces act from a distance- Mr. Gomaa

What is one example of a force that pushes or pulls an object without touching.

• magnetism

• contact forces

• friction

Magnets can't attract any object except for another magnet.

• True

• False

What is an object with a magnetic force?

• push

• pull

• a magnet

• speed

Fill the blank. An ... ... measures the amount of electricity used by the people inside the buildings.

• Electrical meter

• thermometer

• rain gauge

• Electrical wires

Answer TRUE or FALSE:

Plastic is attracted by magnets.

• TRUE

• FALSE

What is Static Electricity?

• is the change of the number on an electrical meter.

• is a charge that builds up on an object

• is a form of energy that appears in a magnet

Fill the blank. When electricity passes through wire wrapped around a piece of iron, it causes the metal to become....

• magnetic

• rubber

• weaker

• stronger

What happen if you place the N and S ends of two magnets near each other?

• They will attract each other

• The attracting force become weaker

• The attracting force become stronger

• You make a temporary magnet

What happen if you move the magnet farther from some metal clips?

• Build-up electric charge moves from one object to another.

• The attracting force becomes weaker

• The attracting force becomes stronger

• There would be no changes to attracting force

Anna's ice cream cone tips over. Her ice cream falls to the floor . Which force caused it to fall?

• magnetism

• gravity

• friction

• electricity