Worksheetsgrade 4 , con 6 , lesson 1
Total questions: 10
Worksheet time: 5mins
When objects collide with each other, ...........is transferred between them.
time
distance
energy
nothing
The object that has the most kinetic energy, is................ object.
the fastest and lightest
the slowest and lightest
the fastest and heaviest
the slowest and heaviest
A wrecking ball is made of................
plastic.
nylon.
steel.
wood.
In cricket game, the bat transfers its ........energy to the ball.
kinetic
potential
thermal
chemical
Collisions usually produce.........
solar energy.
sound energy.
gravitational potential energy.
chemical potential energy.
When the cricket bat hits the ball, the ball direction ......... and the ball speed...........
doesn't change - doesn't change.
doesn't change - changes.
changes - doesn't change.
changes - changes.
Seatbelts work when the car................
decreases its speed gradually.
increases its speed gradually.
suddenly stops.
stops gradually.
If there is nothing to stop a moving object, this object will ..............
stay in motion.
stop after few hours.
stop after few minutes.
stop after few seconds.
When a car that moves forward stops suddenly, the passengers move.........
backward.
forward.
upward.
downward.
Airbags in the car are folded into all the following places, except..................
steering wheel.
dashboard.
doors.
tires.
