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WorksheetsForces and machines
Total questions: 12
Worksheet time: 6mins
______________ is a force that attracts any two objects with mass.
GRAVITY
FRICTION
MOVEMENT
SIMPLE MACHINE
_________________ refers to the force generated by two surfaces that contacts and slide against each other
GRAVITY
FRICTION
MOVEMENT
MACHINE
Which object will fall faster?
A plastic ball
An iron ball
A cotton ball
What measurements do we need to know the speed (velocitat mitjana) of an object?
Distance and meters
Time and minutes
Distance and time
None of these
What object do we need to measure the exact distance?
Watch
Our feet
Meter
Which object will fall to the ground first?
A table
A bottle
A ticket
A shoe
Can two books be separated with the pages inserted (intercaladas)?
No.
Yes.
How does an object move faster?
Smooth flor (terra llis)
Rough flor (terra rugós)
Both are the same
What materials did we use to make the car?
Bottle caps, paper rolls, straws and sticks.
Paper rolls, straws and balloons.
Bottle caps, paper rolls, sticks and balloons.
Bottle caps, paper rolls, straws, sticks and balloons.
Which is not a simple machine?
Pulley
Bicycle
Wheel
Lever
Which is not a compound machine?
Phone
Scissors
Calculator
Washing machine
What is a hypothesis?
What has happened
What I think will happen
What has not happened
None of these
