| What can you use to change the colour of white light? |
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| What is the male sex cell called? |
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| What would you use to seperate white light? |
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| What is the lightest element? |
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| What is the hardest compound? |
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| What is it called when your body changes, ready for reproduction? |
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| Can you live on carbon Dioxide? |
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| Complete. Elements are made of gas, liquids and |
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| If you add hydrogen and oxygen, what do you get? |
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| what is the force that acts when you use brakes? |
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| Complete. Forces can change the speed, shape and... |
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| What is the female sex cell called? |
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| What holds the baby in place when a woman is pregnant? |
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| What keeps a boat floating in water? |
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| What is the organ that pumps blood around the body? |
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| What organs helps you breathe? |
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| What is the second lightest element? |
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| What is faster? a rocketship or light? |
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Periodic Table 
The Nine Planets 
Digits of Pi
