TRUE OR FALSE: Parachutes are designed to increase air resistance.
TRUE
TRUE OR FALSE: Copper is used for electrical wires.
TRUE
COMPUTER A. mains electricity B. battery power
A. mains electricity
CONDUCTOR OR INSULATOR: Book
INSULATOR
_________ reduces the friction force between two surfaces.
Water
A. Bulb B. Motor C. Battery D. Alligator clip
D. Alligator clip
TELEVISION A. mains electricity B. battery power
A. mains electricity
FLASHLIGHT A. mains electricity B. battery power
B. battery power
A. Buzzer B. Motor C. Battery D. Alligator clip
A. Buzzer
LAPTOP A. mains electricity B. battery power
B. battery power
TRUE OR FALSE: The force of air resistance pulls parachutist to the ground.
TRUE
A large friction force is needed for good ________.
grip
CONDUCTOR OR INSULATOR: Coin
CONDUCTOR
________ is used to control the flow of electricity.
Switch
TRUE OR FALSE: Electricity will only flow if there is a complete circuit.
TRUE
CELLPHONE A. mains electricity B. battery power
B. battery power
A. Bulb B. Motor C. Battery D. Buzzer
C. Battery
CONDUCTOR OR INSULATOR: Plastic Cup
INSULATOR
A. Bulb B. Motor C. Battery D. Alligator clip
B. Motor
A. Bulb B. Motor C. Battery D. Buzzer
A. Bulb
IRON A. mains electricity B. battery power
A. mains electricity
CONDUCTOR OR INSULATOR: Metallic Scissors
CONDUCTOR
TRUE OR FALSE: Pushing is a force which stops things from moving.
FALSE
OVEN A. mains electricity B. battery power
A. mains electricity