Glossary: Terms Starting with F
81 definitions in Science with links to the lessons that teach each word.
Showing Science only. Show all subjects
fabric
ScienceFrom Grade 1
a material made from threads, used for clothes
Learn it in: Fabric (Grade 1)
failure point
ScienceFrom Grade 5
where a structure first breaks or bends too much
Learn it in: Testing structures (Grade 5)
fair test
ScienceFrom Grade 2
a test where only one thing changes
Learn it in: Explaining results (Grade 2), Conditions affecting plant growth (Grade 2), Sound and distance (Grade 2)
fall
ScienceFrom Grade 1
to drop to the ground
Learn it in: Everyday examples of forces (Grade 1), Gravity (Grade 3)
farm
ScienceFrom Grade 1
land where people grow food and keep animals
Learn it in: Domestic and wild animals (Grade 1), Science in farming (Grade 2)
fast
ScienceFrom Grade 1
moving a long way in a short time
Learn it in: Fast and slow movement (Grade 1), Changing speed (Grade 2)
feature
ScienceFrom Grade 1
something you notice about a thing, such as its colour or shape
Learn it in: Identifying objects (Grade 1), Sorting and grouping objects (Grade 1), Animals in habitats (Grade 2)
feedback
ScienceFrom Grade 5
a message that tells a system to change
Learn it in: Interactions among body systems (Grade 5)
fertilisation
ScienceFrom Grade 3
when pollen joins the female part to start a seed
Learn it in: Seed formation (Grade 3), Reproductive system introduction (Grade 6)
fertiliser
ScienceFrom Grade 2
something added to soil to help plants grow
Learn it in: Science in farming (Grade 2)
field
ScienceFrom Grade 3
the space around a magnet where its force acts
Learn it in: Magnetic forces (Grade 3)
field line
ScienceFrom Grade 6
a line showing the direction of the field
Learn it in: Magnetic fields introduction (Grade 6)
filament
ScienceFrom Grade 4
a thin wire that glows when electricity passes
Learn it in: Lamps (Grade 4)
filtration
ScienceFrom Grade 5
separating solids from liquids using a filter
Learn it in: Filtration (Grade 5), Separation methods (Grade 6)
fin
ScienceFrom Grade 1
a body part a fish uses to swim
Learn it in: Animal body parts (Grade 1), Fish (Grade 3)
final design
ScienceFrom Grade 3
the best version after improvements
Learn it in: Engineering project (Grade 3)
finger
ScienceFrom Grade 1
one of the five parts at the end of the hand
Learn it in: External body parts (Grade 1)
firefly
ScienceFrom Grade 1
a small insect that makes its own light
Learn it in: Natural light sources (Grade 1)
first aid
ScienceFrom Grade 4
help given before a doctor arrives
Learn it in: Injury prevention (Grade 4)
fixation
ScienceFrom Grade 5
changing nitrogen from air into a form plants can use
Learn it in: Matter cycling introduction (Grade 5)
fixed pulley
ScienceFrom Grade 4
a pulley fixed in place that changes direction
Learn it in: Pulleys (Grade 4)
flexible
ScienceFrom Grade 2
able to bend without breaking
Learn it in: Solid materials (Grade 2), Material properties (Grade 3), Properties of materials (Grade 4)
float
ScienceFrom Grade 2
to stay on top of water
Learn it in: Properties of water (Grade 2), Science in transportation (Grade 2)
floating leaf
ScienceFrom Grade 2
a leaf that sits on top of water
Learn it in: Plants in habitats (Grade 2), Plant adaptations (Grade 3)
flood
ScienceFrom Grade 1
a lot of water covering dry land
Learn it in: Rainy weather (Grade 1), Weather safety (Grade 2), Extreme weather (Grade 3)
flow
ScienceFrom Grade 2
to move easily in a stream
Learn it in: Liquid materials (Grade 2), Liquids (Grade 3), Liquids (Grade 6)
flower
ScienceFrom Grade 1
the part of a plant that may make seeds
Learn it in: What are plants? (Grade 1), Flowers (Grade 1), Reviewing plant parts (Grade 2)
flowering plant
ScienceFrom Grade 6
a plant that makes flowers and seeds
Learn it in: Flowering and non-flowering plants (Grade 6)
fluid
ScienceFrom Grade 4
a liquid or gas that can flow
Learn it in: Solids, liquids, and gases (Grade 4)
follow-up
ScienceFrom Grade 4
a new question that comes next
Learn it in: Evaluating investigations (Grade 4)
food
ScienceFrom Grade 1
what animals eat to live and grow
Learn it in: Animals as living organisms (Grade 1), Basic needs of living things (Grade 1)
food chain
ScienceFrom Grade 2
a line showing who eats what
Full explanation with examples and practice →
Learn it in: Food and shelter (Grade 2), Producers (Grade 3), Simple food chains (Grade 3)
food web
ScienceFrom Grade 3
many food chains joined together
Learn it in: Animal feeding relationships (Grade 3), Food webs (Grade 4), Food webs (Grade 5)
force
ScienceFrom Grade 1
a push or a pull
Learn it in: Pushes (Grade 1), Everyday examples of forces (Grade 1), Pushes and pulls (Grade 2)
forest
ScienceFrom Grade 1
a large area full of trees
Learn it in: Natural surroundings (Grade 1), Land habitats (Grade 2)
forest floor
ScienceFrom Grade 2
the ground layer covered with leaves
Learn it in: Forest habitats (Grade 2)
fossil fuel
ScienceFrom Grade 4
coal, oil or gas
Learn it in: Electrical energy sources (Grade 4), Energy applications (Grade 5), Climate change (Grade 6)
foundation
ScienceFrom Grade 2
the base that holds up a building
Learn it in: Science in construction (Grade 2), Structures (Grade 4)
freeze
ScienceFrom Grade 2
to change from a liquid to a solid when cooled
Learn it in: Freezing (Grade 2)
freezing
ScienceFrom Grade 3
changing from liquid to solid
Learn it in: Melting and freezing (Grade 3), Freezing (Grade 4)
freezing point
ScienceFrom Grade 4
the temperature at which a liquid freezes
Learn it in: Freezing (Grade 4)
frequency
ScienceFrom Grade 4
how many vibrations per second
Learn it in: Vibrations (Grade 4), Sound vibrations (Grade 6)
friction
ScienceFrom Grade 1
the rubbing force that slows moving things
Learn it in: Movement on different surfaces (Grade 1), Friction (Grade 2), Friction (Grade 3)
froglet
ScienceFrom Grade 2
a young frog with legs and a short tail
Learn it in: Frog life cycle (Grade 2)
frosted
ScienceFrom Grade 4
having a rough surface that blurs light
Learn it in: Translucent materials (Grade 4)
fruit
ScienceFrom Grade 1
the part of a plant that holds the seeds
Learn it in: Fruits and seeds (Grade 1), Fruits and seeds (Grade 2), Seed formation (Grade 3)
fuel
ScienceFrom Grade 2
something burned to give energy
Learn it in: Everyday energy uses (Grade 2), What is energy? (Grade 5)
fungi
ScienceFrom Grade 6
organisms that absorb food from other matter, such as mushrooms
Learn it in: Major groups of living things (Grade 6)
fur
ScienceFrom Grade 1
the soft hair of some animals
Learn it in: Common animals (Grade 1), Mammals (Grade 3)
fuse
ScienceFrom Grade 4
a safety part that breaks if the current is too high
Learn it in: Electrical safety (Grade 4), Electrical safety (Grade 6)
fusion
ScienceFrom Grade 5
joining of tiny particles to release energy
Learn it in: The Sun as a star (Grade 5)