Science Revision 6B Term 2

What is an example of rust?

• An orange.

• A car that turns orange because of air and moisture combining.

• A brand new bike with metal

• The ocean

Which of the following is a common cause of rust on metal objects?

• Exposure to sunlight.

• Contact with water and oxygen.

• Being stored in a dry place.

• Painting the metal surface.

Which of the following metals is most prone to rusting?

• Gold.

• Aluminum.

• Iron.

• Stainless steel.

What are the three states of matter?

Which of the following methods can prevent rusting of iron?

• Painting the surface.

• Exposing it to water.

• Leaving it in open air.

• Scratching the surface.

Can you unscramble an egg?

• Yes

• No

• ???????

• I don't know

What is Evaporation?

• When a liquid cools

• When a liquid heats up and disappears

• When something shrinks

What is an example of condensation?

• When water forms on the outside of a window

• When dew forms on grass

• The rain

• Ice

What is an example of filtration?

• Making coffee

• Making dinner

• Putting pasta in a colander

What's the difference between a suspension and a solution?

• Seawater and a painting

• They both are mixtures so I don't know.

• Suspension is a solid and a solution is a liquid.

• Suspension doesn't dissolve properly and a solution does.