What have you learned in Key Stage 3? Opener quiz What have you learned in Key Stage 3?

The Solar System a) Which three of the following objects do not produce their own light? Earth Jupiter Moon Pole star (3)    AQA Science © Nelson Thornes Ltd 2006  2

The Solar System b) Put the objects below in order of increasing distance from the Sun. Earth Jupiter Moon at full moon Pole star (3) Earth Moon at full moon Jupiter Pole star AQA Science © Nelson Thornes Ltd 2006  3

The Solar System c) Complete the sentences below using words from the list. moon star planet i) A _____________ gives out its own light. ii) A ______________ orbits the Sun. iii) A ______________ orbits a planet. iv) A ______________ reflects light from the Sun. v) A distant ______________ outside the Solar System might have a ______________ in orbit round it. star planet moon planet/moon star planet AQA Science © Nelson Thornes Ltd 2006  4

Light a) Complete the list below showing the colours of the spectrum. Red ______ Yellow _____ Blue _____ Violet (3) Orange Green Indigo AQA Science © Nelson Thornes Ltd 2006  5

Light b) The diagram below shows a red filter in the path of a beam of white light. i) What colour is the light from the beam that passes through the filter? red AQA Science © Nelson Thornes Ltd 2006  6

Light b) The diagram below shows a red filter in the path of a beam of white light. ii) What colour would the light be if the filter was blue instead of red? blue AQA Science © Nelson Thornes Ltd 2006  7

Light iii) What would you see if the blue filter was placed as below, next to the red filter on the other side of the white light beam, instead of replacing it? Red light would emerge from the red filter but would be stopped by the blue filter. So no light would pass through the blue filter. AQA Science © Nelson Thornes Ltd 2006  8

Gravity In the diagram below, objects A and B represent two objects in space. a) Complete the sentences using words from the list below. equal to stronger than weaker than The force of gravity on A is _______ the force of gravity on B. equal to AQA Science © Nelson Thornes Ltd 2006  9

Gravity In the diagram below, objects A and B represent two objects in space. b) Complete the sentences using words from the list below. equal to greater than weaker than If the distance between A and B became smaller, the force of gravity on A would be _________ the force of gravity on it before the change greater than AQA Science © Nelson Thornes Ltd 2006  10

Gravity In the diagram below, objects A and B represent two objects in space. c) Complete the sentences using words from the list below. equal to greater than weaker than If the mass of A was made smaller, the force of gravity on it would be __________ the force of gravity on it before the change. weaker than AQA Science © Nelson Thornes Ltd 2006  11

Gravity In the diagram below, objects A and B represent two objects in space. d) Which object in the diagram has the greater mass? __ (1) B AQA Science © Nelson Thornes Ltd 2006  12