KS3 P1 Core Questions

KS3 P1 Core Questions

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Forces

Units and Measurements

Contact and Non-Contact Forces

Drag

Resultant Force

Multiple Choice

What is the unit of force?

• Newton

• Joule

• Gram

• Meter

Multiple Choice

What equipment can be used to measure forces?

• Ruler

• Joulemeter

• Protractor

• Newton meter

Multiple Select

Select the contact forces from the list below

• Gravity

• Thrust

• Upthrust

• Magnetism

• Electrostatic

Multiple Select

When the forces on a mass are balanced the object will

• Remain Stationary

• Accelerate

• Travel at a constant speed

• Decellerate

Multiple Select

When the forces on a mass are unbalanced the object will

• Remain Stationary

• Accelerate

• Travel at a constant speed

• Decellerate

Multiple Choice

True or False: Drag is caused by air particles colliding with the surface of an object

• True

• False

Multiple Choice

Which object will have the most drag?

• A truck traveling at 70 mph

• A truck traveling at 20 mph

• A person running at 8 m/s

• A cat running at 15 m/s

Multiple Choice

All objects in the universe have a gravitational attraction to each other.

• True

• False

Multiple Choice

What force holds the planets in motion around the sun?

• Magnetic

• Electrical

• Gravitational

• Air Resistance

Multiple Choice

What type of force?

• Magnetic

• Gravitational

• Applied

• Normal

Multiple Choice

The amount of friction depends on the weight of the objects pressing together.

• True

• False

Multiple Choice

What does friction produce?

• light

• sound

• heat

• gravity

Multiple Choice

Friction is a force that always acts in the:

• opposite direction to movement

• same direction to movement

Multiple Choice

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?

• 50N to the left.

• 350N to the left.

• 350N to the right.

• 50N to the right.

Speed and Motion

Calculating Speed

Distance-Time Graphs

Relative Motion

Multiple Choice

What is the equation to calculate speed?

• Speed = Time $\div$ Distance

• Speed = Distance x Time

• Speed = Distance $\div$ Time

• Speed = Distance + Time

Multiple Choice

What is an object doing when it is decelerating?

• Speeding up

• Slowing down

• Traveling at a constant speed

Multiple Choice

A camper van sprints down the motorway and travels 15 miles in 30 minutes, what is its speed?

• 30 miles/minute

• 7.5 miles/hour

• 30 miles/hour

• 30 miles/second

Multiple Choice

In a duck race, a rubber duck travelled 400 meters in 10 minutes? What was the rubber duck´s speed?

• 40

• 40 minutes

• 40mm/s

• 40m/s

Multiple Choice

What time did the person on this journey reach their destination?

• 11.00

• 12.00

• 12.30

• 14.00

Multiple Choice

What does this graph represent?

• Constant Speed

• Acceleration

• Not moving

Multiple Choice

What does this graph represent?

• Constant speed

• Acceleration

• Not moving

Multiple Choice

What does this graph represent?

• Constant speed

• Acceleration

• Not moving

Multiple Choice

Which runner had a head start?

• A
• B
• C

Multiple Choice

Observers using different ___________________ may measure different velocities for an object in motion

• frame of reference

• relatives of motion

• projectile motions

• constant velocity

Multiple Choice

A woman on a bicycle travels at 9 m/s S relative to the ground as she passes a little boy on a tricycle going in the opposite direction. If the boy is traveling at 1 m/s N relative to the ground, how fast does the boy appear to be moving relative to the woman?

• 10 m/s S

• 8 m/s N

• 0 m/s

• 10 m/s N

Multiple Choice

A train is moving at a velocity of 15 m/s East. A passenger at the back of a train throws a baseball with a speed of 15 m/s West. What is the velocity of the baseball relative to the ground? (In other words: how fast does a person on the ground see the ball move?)

• 30 m/s East

• 15 m/s West

• 0 m/s

• 30 m/s West

Multiple Choice

A dog and a cat are about to fight, running towards each other, both at 12 m/s. What are their velocities relative to each other?

• 12 m/s

• 24 m/s

• 0 m/s

• 6 m/s

Magnetism

Permanent Magnets

Magnetic Fields

Magnetic Force

Electromagnets

Motors

Multiple Choice

In un-magnetized materials the domains are __________ aligned.

• super

• slightly

• randomly

• always

Multiple Choice

As the distance between two magnets increases (they get farther apart), the force between them:

• Increases

• Decreases

• Stays the Same

Multiple Choice

You can make an electromagnet stronger by...

• increasing the current through the wire

• make the iron core bigger

• increase the number of loops around the core

• All of these

Multiple Choice

A _________ is a device that produces magnetism by spinning a coil of wire around a nail.

• Generator

• Electromagnet

• Battery

• Galvonometer

Multiple Choice

A Magnet can be used to create electricity

• True

• False

Multiple Choice

Electricity can be used to create a magnet

• True

• False

Multiple Choice

If the end of an unknown magnet sticks to a magnet pole labeled "North" the unknown end must be...

• North

• South

• East

• West

Multiple Choice

MagneticNORTH is actually geographic _________

• SOUTH

• NORTH

• EAST

• WEST

Multiple Choice

A magnet will attract scissors if the scissors contain: 

• copper
• aluminum
• gold
• nickel

Multiple Choice

What will happen when these magnets are brought close together?

• They will attract each other.

• They will repel each other.

• Both magnets will turn to the left

• Both magnets will turn to the right

Multiple Choice

What will happen when these magnets are brought close together?

• They will attract each other.

• They will repel each other.

• Both magnets will turn to the left

• Both magnets will turn to the right

Questions and Misconceptions

Where were the class strongest/weakest?

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