Show:
What is the matter?
What is the opposite of flexible?
What are contact forces?
What are non-contact forces?
Which force stops us from sinking?
100

Anything that occupies space and has mass

Matter

100

Materials which are easy to break are ______.

Materials which are difficult to break are _______.

fragile

resistant

100

What are the two main types of forces?

Contact and non-contact forces

100

What is a non-contact force?

Forces that do not require contact with an object

100

What are the two forces involved when we place an object in a liquid?

Gravity and buoyancy

200

Mass is the amount of _______ in an object. It is measured in ______. 

matter / g/kg

200

Materials which are easy to stretch are _______.

Materials which are difficult to stretch are _______.

elastic

inelastic

200

When an object is not moving, we say it is at _______.

rest

200

_______ is a force that attracts objects towards each other.

Gravity

200

If an object is light for its size, it _______.

floats

300

Volume is the amount of ______ an object occupies. It is measured in _______.

space / l/ml

300

Materials which are easy to bend are _______.

Materials which are difficult to bend are _______.

flexible

rigid

300

_______ is a contact force that slows things down or stops them moving.

Friction

BONUS: give an example

300

The _______ (more/less) mass an object has, the _______ (stronger/weaker) its force of gravity.

more / stronger

300

If an object is heavy for its size, it _______.

sinks

400

What are the three states of matter?

solid, liquid, and gas

400

What does it mean if something is soluble? Insoluble? 

If a material dissolves in liquid, it is soluble. If it does not, it is insoluble. 
400

Name 4 things you push and/or pull every day

...

400

This force can either attract or repel

Magnetism

400

Name one thing that sinks in water and one thing that floats

...

500

Name the four ways matter changes between states

solid - liquid = melting

liquid - solid = solidifying/freezing

liquid - gas = evaporating

gas - liquid = condensing


500

What is a thermal conductor? Thermal insulator? Give an example of both.

Materials which do or do not allow heat to travel through them. 

Conductor - metal

Insulator - wood

500
What does it mean to mould something? What property does something have if you cannot mould it?

to change the shape of something with your hands.

elastic

500

Explain which magnets attract and which ones repel

N - S = attract

N - N = repel

S - S = repel

500

Explain the difference between high and low density

High density means something is heavy for its size, or it has a lot of mass in a small volume

Low density means something is light for its size, or it has a little mass in a large volume