Y8 Autumn Assessment Feed Forward

Which of the following statements is true?

• Particles in a solid have more energy than the particles in a liquid

• Particles in a gas have weaker forces between the particles than the particles in a liquid

A substance containing only one type of atom.

• Element

• Compound

• Mixture

A substance containing atoms of 2 or more different elements chemically joined together

• Element

• Compound

• Mixture

Two or more different substances jumbled together but not joined to each other

• Mixture

• Compound

• Element

Which state of matter can transfer heat by CONDUCTION?

• Solids

• Gases

Match the keywords and definitions.

• Conduction

• Transfer of energy by waves

• Convection

• Transfer of energy when particles in a heated FLUID rise

• Radiation

• Transfer or energy by the vibration of touching particles

What does insoluble mean?

• You can not get it back after it has dissolved

• It will not dissolve

Less heat is lost through double glazing because air is a good ​ (a)   .

When trapped between two sheets of glass it reduces heat loss by convection and ​ (b)   .

• insulator
• conduction
• radiation
• evaporation
• conductor

Identify the word that means ;

"the smallest measurement a piece of apparatus can measure'.

• scale

• resolution

• amount

Why are alkali metals stored in oil?

• Because they would react with oxygen and water vapour in the air

• Because they'd rust

• Because they're toxic