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- 1. Multiple Choice
What is friction?It is a resistance forceFriction does not existIt is an imaginary forceIt is red - 2. Multiple ChoiceForces are usually shown as...dogscirclesflashing electricityarrows
- 3. Multiple ChoiceWhen objects remain in the same place, it is called...gravityfrictionbalanced forceunbalanced force
- 4. Multiple ChoiceWhat is the force that causes everything to be pulled down to the Earth?frictiongravitybalancedunbalanced
- 5. Multiple Choice
Some students wanted to find out if a tennis ball and a baseball dropped from the same height hit the ground at the same time. This investigation tests the effect of which of the following?
wind
friction
gravity
magnetism
- 6. Multiple ChoiceWhat is the force that causes objects to fall to Earth?Air resistanceGravityWater resistancePressure
- 7. Multiple ChoiceIn which direction does gravity act?DownwardsUpwardsIn all directionsTowards the centre of the Earth
- 8. Multiple ChoiceWhat force does a parachute use to slow things down before hitting the ground?FrictionAir resistanceWater resistanceWind
- 9. Multiple ChoiceWhen two objects rub together, what force do they produceGravityAir resistanceFrictionWater resistance
- 10. Multiple ChoiceWhich of these uses friction?A parachuteA ball falling through the skyBrakes on a bikeA wind turbine
- 11. Multiple ChoiceA ____________ is a push or a pull on an object.chemicalforcemagnetgravity
- 12. Multiple ChoiceThe north pole of one magnet will be attracted to the __________ pole of another magnet.eastnorthsouthwest
- 13. Multiple ChoiceWhat will happen if you try to put the south pole of one magnet and the south pole of another magnet together?attractrepelboth attract and repelneither attract nor repel
- 14. Multiple Choice
Gravity is a
Contact Force
Myth
Non-contact Force
- 15. Multiple Choice
Friction is a
Contact Force
Myth
Non-contact Force
- 16. Multiple Choice
Magnetic Force is an example of ____________ force.
contact
non-contact
balanced
unbalanced
- 17. Multiple Choice
The force that resists sliding between two touching objects is called _____________________
normal force
contact force
non-contact force
friction
- 18. Multiple Choice
Will a golf ball or a ping pong ball hit the ground first if dropped from the same height?
Golf ball
Ping pong ball
Both
- 19. Multiple Choice
What two forces is a parachutist faced with while jumping out of a plane?
Magnetism
Air resistance
Friction
Gravity
- 20. Multiple ChoiceWhere is the force of attraction the strongest on a magnet?at the polesin the middleabove the magnetbelow the magnet
- 21. Multiple Choice
All metals are attracted to magnets
True
False
- 22. Multiple ChoiceHow is Earth's magnetic field similar to that of a magnet?It is hundreds of miles longIt has north and south polesIt is made in Earth's coreIt is shaped like a horseshoe
- 23. Multiple ChoiceIf two magnets come together what is it called?RepelForceAttractNone of the Above
- 24. Multiple ChoiceIf 2 magnets push away from each other what is it called?AttractIronRepelNone of the above
- 25. Multiple ChoiceA child puts two magnetic toy trains next to each other on a track. What will happen next, and why?The trains will not move.The trains will move away from each other.The trains will move closer to each other.Not enough information.
- 26. Multiple Choice
What keeps the planets in orbit around the sun?
gravity
friction
density
distance
- 27. Multiple Choice
What is the unit used to measure force?
litres
grams
newtons
kg
- 28. Multiple ChoiceWhich of the following will not change in different gravitational fields?weightforcemasspounds
- 29. Multiple ChoiceWhere would you have to travel to reduce your weight but not lose any mass?The moonThe SunJupiterSaturn
- 30. Multiple ChoiceA person would weigh more on Jupiter than on the Earth because . . .Jupiter has more mass, and therefore more gravityJupiter has less mass, and therefore more gravityJupiter has more mass, and therefore less gravityJupiter has less mass and therefore less gravity
- 31. Multiple ChoiceA person weighs _____ on the Earth than they do on the Moon.lessmorethe same
- 32. Multiple Choice
What causes an object to fall faster?
Smaller surface area
Larger surface area
If it has a parachute
If it is softer
- 33. Multiple Choice
Another name for air resistance is...
Buoyancy
Streamline
Gravity
Drag
- 34. Multiple Choice
The larger the surface area of the moving object, the ___________ air resistance there is.
Less
More
Longer
Quicker
- 35. Multiple Choice
Air resistance pushes against falling
objects and __________________.
Speeds them up
Keeps them afloat
Slows them down
Spins them
- 36. Multiple Choice
Which has more air resistance?
- 37. Multiple Choice
The more streamlined an object is, the...
More air resistance
Less air resistance
Slower air resistance
Faster air resistance
- 38. Multiple Choice
What does buoyant mean?
to float
to push
to fly
to sink
- 39. Multiple Choice
When the weight of a submerged object is ________________ than the buoyant force, the object will float.
greater
less
the same
- 40. Multiple Choice
When the density of a submerged object is greater than the buoyant force, the object will ________.
sink
float
remain in place
- 41. Multiple Choice
When the density of a submerged object is less than the buoyant force, the object will ________.
sink
float
remain in place
- 42. Multiple Choice
Balanced
Unbalanced
- 43. Multiple Choice
Balanced
Unbalanced
- 44. Multiple Choice
Balanced
Unbalanced
- Answer choicesTagsAnswer choicesTags