What is true about magnetic poles?

Opposite magnetic poles attract each other

Like magnetic poles attract each other

Magnetic force is weakest at the magnetic poles

Magnets have only one magnetic pole

How can some materials become magnetized?

By cooling them to extremely low temperatures

By applying a strong electric current

By painting them with metallic paint

What is a contact force?

A force that occurs between objects in physical contact

A force that operates without physical contact

The force of gravity between two masses

A force related to magnetic fields

The force that two objects exert on each other because of their mass

The force that repels two objects with the same charge

The force that keeps planets in orbit around the sun

The force that causes magnets to stick to the fridge

What does magnetism refer to?

The force of attraction or repulsion between objects due to their magnetic properties

The force of attraction or repulsion between electric charges

The force of attraction or repulsion between objects due to their electric charge

What is electrostatic force?

The force between two charged objects

The force between two objects caused by friction

The force between two objects caused by their magnetic fields

The force between two objects due to gravity

What does it mean to attract?

To pull towards or cause to approach

To increase the distance between two objects

To decrease the mass of an object

What does it mean to repel?

To pull objects towards each other

To increase the gravitational force between objects

A push or pull that causes an object to move

A type of energy that is stored in objects

The speed at which an object moves

A measure of how heavy an object is

Which of the following is an example of a pushing force?

A child being pushed on a swing

What is an example of a pulling force?

A child swinging on a swing without being pushed

Which of the following is an example of a pull force?

Plugging in a cord to an outlet

In the second image, what type of force is the child in the blue shirt applying to the swing?

The child is pushing the swing.

The child is pulling the swing.

The child is lifting the swing.

The child is spinning the swing.

What is a force in the context of physics?

A push or a pull that causes the movement of an object.

A push or a pull that stops the movement of an object.

A type of energy that can only pull objects.

A natural phenomenon that only occurs in space.

Which of the following scenarios describes a contact force?

Static electricity causing hair to stand on a trampoline.

The Earth's gravity pulling an apple towards the ground.

A magnetic force attracting a paperclip.

What is an example of electric forces being non-contact?

Static electricity making your hair move on a trampoline without touching it.

A battery providing power to a remote control.

A light bulb being turned on by a switch.

Plugging in a device to charge it.

Which of the following is an example of a contact force?

Gravity acting on a falling apple

A magnet pulling a paperclip towards it

The force that pulls objects to the centre of the Earth

The force that pushes objects away from the Earth

The force that allows objects to float in the air

The force that moves objects in a circular motion

Why would we float away if there was no gravity on Earth?

Because there would be nothing pulling us towards the Earth's surface

Because the Earth's surface is slippery

Because there would be no air resistance

Because the Earth would stop spinning

What happens to a ball when you throw it into the air?

It comes back down due to gravity

It keeps going higher and higher

How does gravity affect our weight?

It is how hard gravity is pulling us towards the Earth's surface

It determines the speed at which we move

It measures the air pressure around us

What kind of force is gravity?

A non-contact force that never stops

A contact force that requires two objects to touch

A force that only works during the day

A temporary force that comes and goes

Grade 4 Energy: Non-contact forces Unit review

Authored by Sarah Koopmans

Science

4th Grade

NGSS covered

Used 28+ times

Grade 4 Energy: Non-contact forces Unit review

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MULTIPLE CHOICE QUESTION

Forces that require objects to be touching

Forces that occur between objects that are not in direct contact

Forces that can only act through materials

Forces that are weakest at the magnetic poles

Which of the following is a non-contact force that pulls objects toward the ground?

Magnetic force

Friction

Gravity

Electric force

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Grade 4 Energy: Non-contact forces Unit review

Which of the following is an example of a non-contact force?

What scientific figure is associated with the laws of motion and is mentioned in the unit?

Which activity would help students understand the concept of magnetic fields?

What is one of the harmful effects of magnets that is covered in the unit?

Which of the following topics is NOT explicitly listed in the table of contents for the Alberta Science 2023 Curriculum – Grade 4 – Energy: Non-Contact Forces Unit?

What are non-contact forces?

Which of the following is a non-contact force that pulls objects toward the ground?

What do magnetic materials contain?

What happens to the strength of non-contact forces as objects get farther apart?

What is true about magnetic poles?

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