Physics
Chemistry
Biology
100
Children skipping rope are converting stored energy (from the food they've eaten) into which form of energy?
Kinetic Energy
100
Which properties of china make it a good material for a teacup? a)It is brittle and permeable and a good electrical insulator b)It is shiny and transluscent and a good thermal conductor c)It is strong and waterproof and a good thermal insulator d)It is dense and opaque and a good electrical conductor
c)It is strong and waterproof and a good thermal insulator
100
Why is it not a good idea to fill your plate with foods that are all the same colour? a)Having foods of a variety of colours shows that the meal contains a variety of nutrients b)Foods that are all the same colour are unhealthy c)A variety of colours shows that your meal is low-fat d)Your plate will look better with lots of different foods
a)Having foods of a variety of colours shows that the meal contains a variety of nutrients
200
Which of the following is not a force? a)electricity b)gravity c)friction d)upthrust
a)electricity
200
If you were burning a candle, which of the following would be a reversible change? a)The solid candle wax melts b)The liquid wax in the wick burns c)The flame produces smoke d)All of the above
b) The liquid wax in the wick burns
200
Fruit and vegetables are a good source of what? a)Vitamins b)Minerals c)Fibre d)All of the above
d)All of the above
300
What causes a backpack full of books to feel heavy when you lift it? a)Friction b)Air resistance c)Upthrust and friction d)Mass and gravity
d)Mass and gravity
300
When a material is heated, what happens to its particles? a)They lose energy and become more strongly attached (attracted) to other particles b)They gain energy and become less strongly attached (attracted) to other particles c)They begin to stick together d)They stop moving
b)They gain energy and become less strongly attached (attracted) to other particles
300
Which of the following statements is true? a)Microbes are not living organisms b)Some microorganisms are beneficial c)All microorganisms are dangerous to humans d)There are not very many types of microorganism
b)Some microorganisms are beneficial
400
How are magnets useful for separating materials for recycling? a)They can separate different kinds of metals b)All metals will be attracted to magnets c)They can be used to attract aluminium cans d)They can be used to attract all materials
a)They can separate different kinds of metals
400
Which of the following would best protect ice cream from melting? a)A metal bowl with a lid b)A plastic cup c)An ice cream cone d)A vacuum flask
d) A vacuum flask
400
All animals need food, shelter, water, oxygen and space to live. Which of these is hard to find in a grassland habitat? a)Oxygen b)Food c)Shelter d)Space
c)Shelter
500
Why does a green apple look green? a)It absorbs green light, but reflects the other colours b)It reflects green light, but absorbs all of the other colours c)It absorbs green light, but transmits all of the other colours d)It transmits all of the light
a)It absorbs green light, but reflects the other colours
500
A tea bag is made from tea leaves and an especially porous paper. Besides being a container for the tea leaves, what is the purpose of the paper? a)To keep the tea leaves dry b)To keep the tea flavour inside the tea bag c)To keep the tea leaves from burning d)To filter the mixture of tea leaves and water
d)To filter the mixture of tea leaves and water
500
If you were carrying out an investigation into the effect of light on seed germination, what would be the dependent variable? a)Whether the seeds germinate b)How many seeds you plant c)How tall the plants grow d)How much light you give the seeds
a)Whether the seeds germinate
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