A force that pulls things to the centre of the Earth
What is gravity
100
How can you change the motion of an object?
A) By eating it
B) By melting it
C) By pushing or pulling it
What is (C) By pushing or pulling it
100
Pulling a tractor will not cause this to be done
What is work
100
Push, pull, turn and twist are not just instructions, they are also
What are forces
200
Forces that work against each other (in the opposite direction)
What are opposing forces
200
What forces are used when juicing an orange using a hand juicer?
What is a push and turn
200
I discovered gravity
Who is Isaac Newton
200
When a force moves an object over a distance
What is work
200
A rubber ball was squeezed with a pushing force. Which of the following changes took place?
A) mass
B) shape
C) weight
D) colour
What is (B) shape
300
Two of five things forces can do
Two of five things forces can do.
What is:
Speed things up,
slow things down,
stop things,
cause things to start moving,
cause objects to change direction
300
Removing a screw cap form a bottle is using these forces in this order
What is twist and pull
300
Name two sources of movement
muscles
machine
magnets
gravity
wind
300
DOUBLE JEOPARDY
What is balanced forces
300
Waterwheels are machines that use the this type of energy
What is Mechanical energy or gravitational energy
400
The unit of measurement for force
What is newton
400
The measurement of gravity acting on the mass of an object
What is weight
400
To know that something is moving, we have to see this
What is ‘something standing still’
400
The unit of measurement for work
What is joules
400
When it comes to floating, this must be considered.
What is shape
500
Which of the following is an example of increasing friction intentionally?
A) Waxing the bow of a violin
B) Adding grease to gears on a bike
C) Adding carpet to cover a tiled surface
D) Streamlining a plane
What is (C) Adding carpet to cover a tiled surface
500
When a soccer ball slows down by rolling in the grass it is an example of
What is friction
500
I am moving when the sun “goes down”
What is the Earth
500
The more water pushed away by an object the more the water pushes back .