Science AO6

• What is a fluid?


  A substance that flows and takes the shape of its container.
• What is gas pressure?

  Force exerted by gas molecules per unit area.
• How do you calculate pressure?


  Force divided by an area.
• What is an independent varibale?


  The variable I change.
• What is a dependant variable?


  Whats being measured.
• What is a control variable?


  Something that’s kept the same.
• What is a conductor?


  Allows energy to pass through easily.
• What is an insulator?


  Does not allow energy to pass through.
• What is radiation?


  The transfer of energy in the form of waves.
• Anything that releases heat is a…?

  Inferred Radiation.
• What does emit mean?

  To release or give off.
• What does absorb mean?

  Take in
• What does reflect mean?

  To bounce off.
• What does insulation do?

  Slows down the transfer of energy.
• What can energy not do?

  Created or destroyed, only transferred.
• What is power?


  How fast energy is transformed from one form to another.
• What is a displacement reaction?

  When a less reactive metal is removed by a more reactive metal.
• Name two properties of ceramics?

  Pick from: Hard, strong, brittle, very high melting point or very good insulator.
• What is a composite metal?

  A material made from at least 2 other materials.
• What is a polymer?


  Long chain molecule made up of smaller molecules.
• What is a species?

  A species is a group of organisms that can interbreed and produce fertile offspring.
• What is continuous data?


  Data that can be measured and has a range of values. Normally presented on a scale.
• What does DNA mena?

  Deoxyribonucleic acid.
• What is evolution?


  The gradual change in a species over millions of years.
• What is the calcualtion for ‘moment‘?

  Force (N)X Perpendicular distance from the pivot (M).
• What is turning force?


  Makes an object move or tip.
• What is pivot?


  The point on the object that doesn’t move.
• What is load?


  The weight that gets moved.
• What is pollution?


  The Introduction of harmful materials into the environment.
• What is greenhouse gases?

  Gases that trap heat in the Earth's atmosphere
• What are some examples of climate change?

  Melting glaciers, rising sea levels, extreme weather events.
• How do you calculate speed?

  Distance divided by time or speed.
• How do you calculate power?

  Energy divided by time.