Science glossary films index
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- Absolute zero
- Absorption
- Accuracy
- Acid
- Acid rain
- Activation energy
- Adaptive divergence
- Addiction
- Aerobic respiration
- Aerosol
- Agar
- Alcohol
- Algae
- Alkali
- Alkali metal
- Alkaline earth metal
- Allele Glossary video
- Allotropes
- Alloy
- Alpha particle
- Altitude Glossary video
- Alveoli Glossary video
- Amino acid
- Amniotic fluid
- Amorphous
- Amplification of DNA
- Amplify
- Amplitude Glossary video
- Amylase
- Anaerobic respiration
- Analog
- Angiosperm
- Angle of incidence
- Angle of reflection
- Angstrom
- Anode
- Antagonistic muscles
- Antenna
- Antibiotic
- Antibiotic resistance
- Antibody
- Anticyclone
- Antigen
- Antimatter
- Antioxidant
- Aorta
- Apoptosis
- Appendix
- Aqueous
- Aquifer
- Archaea
- Artificial propagation
- Asexual Reproduction Glossary video
- Asteroid
- Astronomy
- Atmosphere Glossary video
- Atom
- Atomic mass
- Atomic number
- Atomic weight
- ATP
- Aurora
- Autoimmune disease
- Autosomal
- Autotroph
- Auxin
- Axon Glossary video
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- Bacteria Glossary video
- Baryons
- Basalt
- Base (biology)
- Base (chemistry)
- Big Bang
- Bile
- Billion
- Biochemistry
- Biodegradable
- Biodiversity
- Biomass
- Biosphere Glossary video
- Black hole
- Blastocyst
- Blood pressure
- Boiling point
- Boyle's law
- Brittle
- Bronchi Glossary video
- Bronchiole Glossary video
- Buffer
- Bunsen burner
- Buoyancy
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- Caldera
- Calibrate
- Carbohydrate
- Carbon dating
- Carbonate
- Carpel
- Catabolism
- Catalyst
- Cathode
- Cathode ray
- Cell cycle
- Cell division
- Cell Glossary video
- Cell wall
- Cellulose
- Cervix
- Chemical bond
- Chemical energy
- Chemical reaction
- Chemical synthesis
- Chemiluminescence
- Chlorofluorocarbons
- Chlorophyll
- Chloroplast
- Chordate
- Chromatin
- Chromosome
- Classification
- Climate
- Climatology
- Clone
- Coke
- Combustion
- Comet
- Compound
- Compound microscope
- Concave
- Concentration
- Conception
- Condensing
- Conduction
- Continental crust
- Continental Drift Glossary video
- Control
- Convection Glossary video
- Convex
- Core (biology)
- Core (Earth sciences)
- Corona
- Correlation video
- Corrosion
- Cortisol
- Cosmic dust
- Cosmic rays
- Cosmology
- Coulomb
- Covalent bond
- Crater Glossary Video
- Crude oil
- Crust
- Crystal
- Crystallization
- Cytoplasm
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- Dark energy
- Dark matter
- Data
- Decomposition
- Delocalized electrons
- Delta
- Denature
- Denitrification
- Density
- Deoxygenated Glossary video
- Depression
- Desertification
- Diabetes
- Diatomic
- Diffraction
- Diffusion
- Digestion
- Diode
- Diploid
- Dissociate
- Dissolve
- Distillation
- Divergence
- DNA
- DNA profile
- DNA replication
- Dominant Allele Glossary video
- Doppler shift
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- Earth
- Earthquake
- Echo
- Echolocation Glossary video
- Ecosystem
- Elastic
- Electric Current
- Electric force
- Electrical charge
- Electrode
- Electrolysis
- Electrolyte
- Electrolytic cell
- Electromagnetic radiation
- Electromagnetic Spectrum Glossary video
- Electron
- Electron shell
- Electrostatic attraction
- Element
- Elliptical orbit
- Embryo
- Emission
- Endangered Glossary video
- Endocytosis
- Endothermic Glossary video
- Energy Glossary video
- Energy level
- E-Number
- Enzyme
- Epicenter
- Epidemiology
- Epinephrine
- Equilibrium
- Erosion
- Eukaryote
- Evaporation
- Evolution Glossary video
- Exothermic Glossary video
- Extinction
- Extraction
- Extrusion
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- Magma
- Magnetic Field Glossary video
- Magnetic force
- Mantle
- Mass Glossary video
- Mass spectrometer
- Matter
- Mean
- Mechanical Wave Glossary video
- Median
- Medium
- Meiosis
- Melting point
- Mesosphere
- Metabolism
- Metal
- Metallic bond
- Metalloid
- Metamorphic Rock Glossary video
- Metamorphism
- Meteor
- Meteor shower
- Meteorite
- Methane
- Microorganism Glossary video
- Microwave
- Migration
- Milky Way
- Millibar (mb)
- Mineral (biology)
- Mineral (chemistry)
- Mitosis
- Modulation
- Molecular mass
- Molecular weight
- Molecule
- Molten
- Monomer
- Moon
- Motion
- Mutation Glossary video
- Myoglobin
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- Pangaea Glossary video
- Particle(s) Glossary video
- Peer review
- Peptide
- Periodic table
- pH
- Phagocyte
- Phenotype Glossary video
- Phloem
- Phospholipid
- Photon
- Photosynthesis Glossary video
- Pigment
- Pitch
- Planet
- Planetary nebula
- Plasma (biology)
- Plasma (physics)
- Plate boundary
- Polarity
- Polarization
- Pole
- Pollen
- Polymer
- Polyunsaturated
- Positive charge
- Potash
- Potential Energy Glossary video
- Power
- Precipitate
- Precision
- Predator
- Pregnancy
- Preservative
- Pressure
- Prey
- Primeval soup
- Prism
- Product Glossary video
- Prokaryote
- Propulsion
- Protein
- Proton
- Pure
- P-wave
- Pyroclastic flows
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- Radiation
- Radio Waves Glossary video
- Radioactivity
- Rate of reaction
- Reactant Glossary video
- Reaction
- Reactivity
- Receiver
- Receptor
- Recessive Allele Glossary video
- Recombination
- Red giant
- Redox reaction
- Reduction
- Reflection
- Reflex arc
- Refraction
- Refractive index
- Renewable energy
- Resolution
- Resonance
- Resonant frequency
- Respiration
- Reversible reaction
- Ribosomes
- RNA
- Robot
- Rotation
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- Salt
- Satellite
- Saturated fats
- Saturated solutions
- Saturn's rings
- Seafloor Spreading Glossary video
- Sediment
- Sedimentary Rock Glossary video
- Seismic waves
- Semiconductor
- Sensory
- Shockwaves
- SI
- Smog
- Solar cell
- Solar Eclipse Glossary video
- Solar flare
- Solar storm
- Solar System
- Solar wind
- Solid
- Soluble
- Solute
- Solution
- Solvent
- Sonic boom
- Source
- Spacecraft
- Species Glossary video
- Spectrometer
- Spectroscopy
- Spectrum
- Sperm
- Spontaneous
- Spontaneous emission
- Stable
- Star
- Starch
- Static electricity
- Stationary
- Stimulated emission
- Stratosphere
- Strong acid
- Strong material
- Strong nuclear force
- Subatomic particles
- Subduction
- Substance
- Substrate
- Sun
- Sunspot
- Superconductivity
- Supernova
- Supersonic
- Surface tension
- Sustainable
- S-wave
- Symbiosis
- Symptom Glossary video
- Synthetic Glossary video
- 500+ key scientific terms visualized in stunning images and concise textual definitions
- Short 30–60 second films using memorable visual and written learning cues
- Clear and engaging, Twig Science Glossary reinforces the learning of key curriculum terms
Line spectra
A set of well-defined lines within the electromagnetic spectrum, emitted by hot or excited matter.
Groundwater Glossary video
Water that fills spaces in porous rocks, sediments and soil, below the level of the water table.
Interglacial period
A period of warmer climate in between the glacial periods of an ice age.
Equilibrium
A reversible chemical reaction reaches equilibrium when the concentrations of the reactants and products are constant.
Ionization
The process of stripping electrons from, or adding them to, atoms or molecules to produce charged ions.