Gr.4 Test 2 Revision

is a property that
causes matter to have a force, called electric force when placed near other charged matter.

• Electric charge
• Gravitational force
• Thermal energy
• Magnetic field

Same charges ................................ each other

• repel

• have no effect

• attract

• cancel

Opposite-charged will ........................... each other.

• attract
• neutralize
• repel

is the flow of charged particles in the same direction.

• Electric current
• Magnetic field
• Voltage
• Resistance

is a material that allows electric current to flow through it.

• Resistor
• Insulator
• Conductor

are materials that do not allow electric current to flow through them.

• Insulators
• Conductors

is the starting point of energy to keep it moving.

• Energy source (battery)

• Energy transfer

Turns the current on or off.

• switch

• wires

• light bulb

• battery

carries the current to and from the light bulb is made of a conductor

• Plastic tubing
• Wires

........................... process of burning fuel to

Produce heat and light.

• Combustion

• transportation

• evaporation

• condensation