The energy source in toy car is the ....
fuel
tires
battery
....... is used to knock down parts of a building .
wrecking ball
crane
winch
....collisions the airbag inflates automatically.
Before
During
After
Electric cars .....
need charging
need fuel
cause pollution
Damage will be less severe when two cars collide in the ...... direction
opposite
same
parallel
Airbags are made up of ....
plastic
thin nylon
thin
....collisions the airbag deflates automatically.
solar cars .....
light in weight
cause climate change
Fast object cause ....
great damage that can be repaired
small damage that can be repaired
great damage that can't be repaired
From safety equipement of cars during collisions is (are) .....
airbag and seatbelts
airbag