Science - Electricity

Who is who in this image?

a

b

c

Amp

Ohm

Volt

Answer explanation

Opposite charges ​ (a)   ​

Same charges ​ (b)  

• attract
• repel
• don't interact

Answer explanation

what is energy of a falling apple called?

• potential

• kinetic

• possible

• probable

Answer explanation

The potential energy of the apple changes to kinetic energy once it's falling

what kind of energy do hanging apples have?

• kinetic

• probable

• none

• potential

Answer explanation

which of these two apples has more potential energy?

a

b

less

more

Answer explanation

if you have two negative particles between charged metal plates, which particle will have more electric potential energy?

a

b

less

more

if you have two positive particles between charged metal plates, which particle will have more electric potential energy?

a

b

more

less

what is an insulator in electricity?

• material that doesn't allow electrical energy to flow through

• material that allows electrical energy to flow through

• material that speeds up the flow of electrical energy

• material that generates electricity

Answer explanation

what is a conductor in electricity?

• material that doesn't allow electrical energy to flow through

• material that allows electrical energy to flow through

• material that generates electricity

Answer explanation

a circuit is 2 ​ (a)   objects connected by a ​ (b)  

• oppositely charged
• conductor
• equally charged
• insulator
• neutral

Answer explanation