Unit 2 - Materials and their Structure

Matter is anyting that

• Has volume, and no mass

• Can be weighed and takes up Space

• Has mass but no volume

• none of them

The particles in this state of matter have no attraction between each other and therefore they are very far from each other.

• Gas

• Solid

• Liquid

• None

The particles in this state can flow touching each other but are not fixed in a place.

• Solid

• Liquid

• Gas

• None

The three states of matter are

• Stones, drops and vapours

• Layers, particles and drops

• Air, powder and Soda

• Solid, Liquids and Gases

The constant recycling of water between earth and atmosphere is called

• Life Cycle

• Carbon Cycle

• Water Cycle

• Nutrient Cycle

Water can also evaporate into the atmosphere from plants; this is called

• Transformation

• Translation

• Transliteration

• Transpiration

The process by which a solid turns to liquid is called

• melting

• evaporating

• condensing

• boiling

During condensation the gas molecules lose energy to the surrounding and come closer to form ___________.

• Solid

• Liquid

• Water vapour

• Metal

The particles in ______ are arranged in a fixed pattern.

• Gas

• Liquid

• solids

• cloud

Water on the ground will gradually disappear as it changes to water vapour, an invisible gas. This is called ____________.

• Condensation

• Precipitation

• Evaporation

• Dilution