Which organelle is responsible for producing energy in the form of ATP in animal cells?
  • Nucleus
  • Mitochondrion
  • Ribosome
  • Golgi apparatus
What is the force that opposes the motion of two surfaces sliding past each other?
  • Gravity
  • Friction
  • Magnetism
  • Buoyancy
Which of the following is a chemical change?
  • Melting ice
  • Dissolving sugar in water
  • Burning wood
  • Breaking glass
Which process in ecosystems converts solar energy into chemical energy?
  • Respiration
  • Photosynthesis
  • Decomposition
  • Evaporation
What is the main form of energy transformation in a hydroelectric power station?
  • Chemical to electrical
  • Kinetic to electrical
  • Thermal to electrical
  • Nuclear to electrical
Which layer of the Earth is composed mainly of solid iron and nickel?
  • Crust
  • Mantle
  • Outer core
  • Inner core
What should you do first if a chemical spills on your skin in a science laboratory?
  • Wipe it off with a cloth
  • Rinse immediately with plenty of water
  • Ignore it if it doesn’t hurt
  • Cover it with a bandage
Which cell structure controls the movement of substances in and out of the cell?
  • Cell wall
  • Cell membrane
  • Cytoplasm
  • Nucleus
What is the SI unit of force?
  • Joule
  • Newton
  • Watt
  • Pascal
Which of the following is a sign of a chemical reaction?
  • Change in shape
  • Change in colour
  • Change in size
  • Change in state
Which of the following best describes biodiversity?
  • The number of ecosystems in a region
  • The variety of living organisms in an area
  • The amount of rainfall in a habitat
  • The number of trees in a forest
Which process is responsible for the formation of sedimentary rocks?
  • Melting
  • Erosion and deposition
  • Volcanic activity
  • Metamorphism
What is the safest way to smell a chemical in the laboratory?
  • Inhale directly from the container
  • Waft the vapour towards your nose
  • Pour it onto your hand and smell
  • Smell it from a distance
Which organelle is found in plant cells but not animal cells?
  • Mitochondrion
  • Chloroplast
  • Ribosome
  • Nucleus
Which of the following is a biotic factor in an ecosystem?
  • Sunlight
  • Water
  • Soil
  • Plants
Which energy transformation occurs in a battery-powered torch?
  • Electrical to chemical
  • Chemical to electrical to light
  • Light to chemical
  • Thermal to electrical
Which type of plate boundary is associated with earthquakes and the formation of mountains?
  • Divergent boundary
  • Convergent boundary
  • Transform boundary
  • Passive boundary
What should you wear to protect your eyes during a science experiment?
  • Sunglasses
  • Safety goggles
  • Reading glasses
  • No protection needed
Which part of the cell contains genetic material?
  • Cytoplasm
  • Nucleus
  • Cell membrane
  • Mitochondrion
Which of the following is an example of an exothermic reaction?
  • Photosynthesis
  • Melting ice
  • Combustion of petrol
  • Evaporation
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