📖 Glossary

All the key science words you've learned.

• Absorb· Sound
  To soak up sound waves so less sound bounces back.
• Adaptation· Seasons and Adaptations
  A feature that helps a plant or animal survive in its environment.
• Air resistance· Forces and Magnetism
  The push of air against a moving object.
• Amplify· Sound
  To make a sound louder.
• Anther· Life Cycles of Flowering Plants
  The part of the flower that makes pollen.
• Attract· Forces and Magnetism
  To pull toward.
• Axis· Seasons and Adaptations
  The imaginary line Earth spins around.
• Balanced forces· Forces and Magnetism
  Forces that cancel out — no change in motion.
• Boiling point· States and Properties of Matter
  The temperature at which a liquid becomes gas (100°C for water).
• Burr· Life Cycles of Flowering Plants
  A spiky seed that sticks to animal fur or clothes.
• Camouflage· Seasons and Adaptations
  Colouring or patterns that help an animal blend in.
• Carbohydrate· The Digestive System
  A nutrient that gives you energy.
• Condensation· States and Properties of Matter
  Gas changing back into liquid.
• Decibel (dB)· Sound
  The unit used to measure how loud a sound is.
• Digestion· The Digestive System
  Breaking food down so your body can use it.
• Dispersal· Life Cycles of Flowering Plants
  Spreading seeds away from the parent plant.
• Eardrum· Sound
  A thin part inside your ear that vibrates when sound hits it.
• Ecosystem· Seasons and Adaptations
  A community of living things and their environment.
• Evaporation· States and Properties of Matter
  Liquid changing slowly into gas.
• Fibre· The Digestive System
  Part of plant foods that helps digestion.
• Flowering plant· Life Cycles of Flowering Plants
  A plant that grows flowers, which turn into fruits with seeds.
• Force· Forces and Magnetism
  A push or pull.
• Freezing point· States and Properties of Matter
  The temperature at which a liquid becomes solid (0°C for water).
• Friction· Forces and Magnetism
  A force that resists motion between two surfaces touching.
• Gas· States and Properties of Matter
  A state of matter with no fixed shape or size.
• Germination· Life Cycles of Flowering Plants
  When a seed begins to grow into a plant.
• Gravity· Forces and Magnetism
  The force that pulls objects toward Earth.
• Hibernate· Seasons and Adaptations
  To sleep deeply through winter to save energy.
• Magnetic· Forces and Magnetism
  Able to be attracted by a magnet.
• Magnetic force· Forces and Magnetism
  The push or pull a magnet exerts on magnetic materials.
• Migrate· Seasons and Adaptations
  When animals travel to warmer places for winter.
• Non-flowering plant· Life Cycles of Flowering Plants
  A plant that reproduces without flowers, using spores or cones.
• Normal force· Forces and Magnetism
  The push of a surface up on an object resting on it.
• Nutrient· The Digestive System
  A useful part of food (like vitamins or protein).
• Oesophagus· The Digestive System
  The food pipe between your mouth and stomach.
• Orbit· Forces and Magnetism
  The curved path one object takes around another due to gravity.
• Orbit· Seasons and Adaptations
  Earth's path around the Sun.
• Particle· States and Properties of Matter
  A tiny bit of matter that everything is made from.
• Photosynthesis· Life Cycles of Flowering Plants
  How plants use sunlight to make their own food.
• Pitch· Sound
  How high or low a sound is.
• Pitch· Sound
  How high or low a sound is.
• Poles· Forces and Magnetism
  The two ends of a magnet (North and South).
• Pollen· Life Cycles of Flowering Plants
  Tiny yellow grains made by the male part of a flower.
• Pollinator· Life Cycles of Flowering Plants
  An animal (like a bee) that moves pollen between flowers.
• Predator· Seasons and Adaptations
  An animal that hunts and eats other animals.
• Prey· Seasons and Adaptations
  An animal that is hunted by predators.
• Protein· The Digestive System
  A nutrient that helps build and repair your body.
• Repel· Forces and Magnetism
  To push away.
• Satellite· Forces and Magnetism
  An object that orbits a planet (can be natural like the Moon, or made by humans).
• Shoot· Life Cycles of Flowering Plants
  The first stem that grows upward from a seed.
• Soluble· States and Properties of Matter
  Able to dissolve in a liquid.
• Solute· States and Properties of Matter
  The thing being dissolved (e.g. salt).
• Solution· States and Properties of Matter
  The mixture you get after dissolving.
• Solvent· States and Properties of Matter
  The liquid doing the dissolving (e.g. water).
• Sound wave· Sound
  The way sound travels through air or other materials.
• Spore· Life Cycles of Flowering Plants
  A tiny cell that some plants (like ferns) use to grow new plants.
• Stigma· Life Cycles of Flowering Plants
  The sticky part of the flower that catches pollen.
• Streamlined· Forces and Magnetism
  Shaped to move easily through air or water.
• Unbalanced forces· Forces and Magnetism
  Forces that don't cancel out — they change motion.
• Upthrust· Forces and Magnetism
  The upward push of a liquid on an object.
• Vibration· Sound
  Quick back-and-forth movement.
• Vocal cords· Sound
  Two stretchy bands in your throat that vibrate to make voice sounds.
• Volume· Sound
  How loud or quiet a sound is.
• Water cycle· States and Properties of Matter
  How water moves between Earth and sky.