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WorksheetsDANCING IN THE LIGHT
Total questions: 22
Worksheet time: 12mins
________________ is the amount of matter present in an
object
Gravity
Weight
Mass
Force
_______________ is the amount of force that pulls objects
towards the earth (gravity)
Weight
Force
Drag
Mass
Look at the picture below. What is the upward force that works on the parachute?
Air resistance
Gravity
Water resistance
Weight
Look at the picture below. What is effect of force that we can know from that picture?
Force cannot move an object when it is at rest.
Force does not let us do work.
Force does not let the object move from one place to another.
Force helps the object change its speed.
____________ act in pairs and in different directions.
Gravity
Force
Energy
Work
Which surface would cause the
greatest friction?
Metal
Plastic
Sandpaper
Marble
Look at the picture. What is part A and B of the light diagram?
A: Incident ray
B: Reflected ray
B: Incident ray
A: Reflected ray
Look at the picture below. Joshua and Mary are playing on a see-saw. What force is pulling each of the children onto the ground?
(a)
Look at the picture below. Joshua and Mary are playing on a see-saw. Joshua has a mass of 39 kilograms and Mary has a mass of 43 kilograms. What are their weights?
(a)
Look at the picture below. Joshua and Mary are playing on a see-saw. Is the force balanced or unbalanced? Give a reason for your answer.
Look at the image of the planets and their moons in Model A and Model B shown below. Which model has a greater gravitational attraction? And why you choose that model?
Look at the picture below. When the man pulls the cord, in which direction will the box move?
right
upward
left
downward
Look at the diagram below. What do you observe in the diagram?
The flow of an electrical current
The force needed to move a cart
The magnetic force of attraction
The path light takes when it is reflected
The picture below shows a skier. The underside of the ski has to be smooth. Explain why this feature is important in skiing.
What does friction do to an object that is moving? Choose TWO answers.
stops it
makes it move fast
moves it
slows it down
What force is represented by the arrow?
Left force
air resistance
In which diagram will the person see the light from the candle? Explain your answer.
(a)
Study the diagram below. What forces are acting on the objects?
Gravity and upthrust
Weight and uphtrust
Weight and pressure
Which statements about the picture above are TRUE?
The object float if gravity is less than upthrust.
The object sink if upthrust is less than gravity.
The object sink if gravity is less than upthrust.
The object float if upthrust is less than gravity.
Study the diagram below. What object could B and C be?
paper
muddy water
table
mirrors
Study the diagram below. What properties do B and C have that makes the light reflected that way?
rough and dull
smooth and shiny
light and brittle
strong and hard
Jane wants to investigate the effect of a force on the extension of a spring. She hangs a known mass from the spring and measures the corresponding extension of the springs. Masses are added and the process is repeated and
What is your prediction abput extension of the spring when a mass of 500 grams is attached?
10
20
25
30
