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