The Properties and Behaviour of Matter

What is the melting point of copper?

• 1085°C

• 997°C

• 1083°C

• 865.12°C

There are _ states of matter. (Answer in digit form)

True or false? apple juice has higher viscosity compared to water.

• True

• False

True or false? In liquid state of matter, the molecules are closely packed and are being held together by very strong force. The molecules are not able to move freely however they can vibrate at their fixed positions. Thus, liquids have a stable and definite shape.

• True

• False

True or false? Xenon is a gas.

• True

• False

What decides the behaviour of the states of matter? (Hint; 4 answers.)

• Temperature

• Mass

• Volume

• Time

• Pressure

Which of the following is a source of energy?

• Nuclear energy

• Geothermal energy

• Solar energy

• Wind energy

What happens when you heat sand with a temperature of 1700°C?

• It turns into sludge

• It produces nuclear energy

• It turns it into glass

• It turns it to granite

Solar energy is a ___ source of energy.

Who discovered the 4th state of matter?

• Albert Einstein

• Galileo Galilei

• Farheem Hussain

• Sir William Crookes