Electricity

Which material from the list below allows an electrical current to pass through it easily?

• Brass

• Polystyrene

• Card

• Porcelain

If two polystyrene rods are rubbed with a duster and gain electrons, how will the rods react to one another when they are brought close together?

• Repel

• Attract

• Merge into a super rod

• Melt

What do certain insulating materials become when they are rubbed against each other?

• Electrically charged

• Friends

• Electrically neutral

• Nothing

If two charged materials are brought close together, what do they exert on each other?

• A force

• Radio waves

• Ultra sonic waves

• Heat

What type of charge does the material gaining electrons have?

• Positive

• Negative

• No charge

• Both positive and negative

If two positively charged materials are brought in close proximity to one another, what force do they exert on each other?

• Attractive

• Repulsive

• Strong nuclear

• Magnetic

What is 'rubbed' off one material and onto the other?

• Neutrons

• Protons

• Electrons

• Dirt

If two negatively charged materials are brought in close proximity to one another, what force do they exert on each other?

• Attractive

• Repulsive

• Strong nuclear

• Magnetic

If one positively charged material and one negatively charged material are brought in close proximity to one another, what force do they exert on each other?

• Strong nuclear

• Magnetic

• Repulsive

• Attractive

What type of charge does the material losing electrons have?

• Positive

• Negative

• No charge

• Both positive and negative