Twig - Science glossary films index

A
- 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
- Allotropes
- Alloy
- Alpha particle
- Altitude
- Alveoli
- Amino acid
- Amniotic fluid
- Amorphous
- Amplification of DNA
- Amplify
- Amplitude
- 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
- Asteroid
- Astronomy
- Atmosphere
- Atom
- Atomic mass
- Atomic number
- Atomic weight
- ATP
- Aurora
- Autoimmune disease
- Autosomal
- Autotroph
- Auxin
- Axon
B
- Bacteria
- Baryons
- Basalt
- Base (biology)
- Base (chemistry)
- Big Bang
- Bile
- Billion
- Biochemistry
- Biodegradable
- Biodiversity
- Biomass
- Biosphere
- Black hole
- Blastocyst
- Blood pressure
- Boiling point
- Boyle's law
- Brittle
- Bronchi
- Bronchiole
- Buffer
- Bunsen burner
- Buoyancy
C
- Caldera
- Calibrate
- Carbohydrate
- Carbon dating
- Carbonate
- Carpel
- Catabolism
- Catalyst
- Cathode
- Cathode ray
- Cell
- Cell cycle
- Cell division
- 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
- Control
- Convection
- Convex
- Core (biology)
- Core (Earth sciences)
- Corona
- Correlation
- Corrosion
- Cortisol
- Cosmic dust
- Cosmic rays
- Cosmology
- Coulomb
- Covalent bond
- Crater
- Crude oil
- Crust
- Crystal
- Crystallization
- Cytoplasm
D
- Dark energy
- Dark matter
- Data
- Decomposition
- Delocalized electrons
- Delta
- Denature
- Denitrification
- Density
- Deoxygenated
- Depression
- Desertification
- Diabetes
- Diatomic
- Diffraction
- Diffusion
- Digestion
- Diode
- Diploid
- Dissociate
- Dissolve
- Distillation
- Divergence
- DNA
- DNA profile
- DNA replication
- Dominant allele
- Doppler shift
E
- Earth
- Earthquake
- Echo
- Echolocation
- Eclipse, lunar
- Eclipse, solar
- Ecosystem
- Elastic
- Electric Current
- Electric force
- Electrical charge
- Electrode
- Electrolysis
- Electrolyte
- Electrolytic cell
- Electromagnetic radiation
- Electromagnetic spectrum
- Electron
- Electron shell
- Electrostatic attraction
- Element
- Elliptical orbit
- Embryo
- Emission
- Endangered
- Endocytosis
- Endothermic
- Energy
- Energy level
- E-Number
- Enzyme
- Epicenter
- Epidemiology
- Epinephrine
- Equilibrium
- Erosion
- Eukaryote
- Evaporation
- Evolution
- Exothermic
- Extinction
- Extraction
- Extrusion
F
- Fahrenheit (°F)
- Fatty acid
- Fermentation
- Fertilization
- Fetus
- Filtration
- Flammable
- Floodplain
- Fluorescent
- Focus
- Food chain
- Force
- Forensic science
- Formulae
- Fossil
- Fossil fuels
- Frequency
G
- Galaxy
- Gamete
- Gamma ray
- Gamma ray bursts
- Gas
- Gene
- Genotype
- Genus
- Germination
- Glacial period
- Gland
- Glucose
- Gravitational field
- Gravity
- Greenhouse effect
- Greenhouse gas
- Groundwater
H
- Hale-Bopp
- Half-life
- Halley
- Haploid
- Harmonics
- Heat
- Heat resistant
- Hemoglobin
- Hertz (Hz)
- Heterogeneous mixture
- Homogeneous mixture
- Hormones
- Hot spot
- Hybridization
- Hydrocarbons
- Hydrophilic
- Hydrophobic
- Hydroxide
- Hyperventilating
- Hypothalamus
- Hypothesis
I
- Igneous
- Indicator
- Inert
- Infectious
- Infrared light
- Infrasound
- Inherited
- Insoluble
- Insulator
- Interference
- Interglacial period
- Intermolecular force
- Invertebrate
- Involuntary
- Ion
- Ionic bond
- Ionic compound
- Ionization
- Irritant
- Isomers
- Isotope
K
- Kilohertz
- Kinetic energy
L
- Laser
- Lattice
- Launch window
- Leaching
- Lens
- Light year (ly)
- Lightning
- Limestone
- Line spectra
- Linnaean hierarchy
- Lipids
- Liquid
- Lithosphere
- Longitudinal wave
- Long-period events
- Luminance
- Lymphocyte
M
- Magma
- Magnetic field
- Magnetic force
- Mantle
- Mass
- Mass spectrometer
- Matter
- Mean
- Mechanical wave
- Median
- Medium
- Meiosis
- Melting point
- Mesosphere
- Metabolism
- Metal
- Metallic bond
- Metalloid
- Metamorphic rock
- Metamorphism
- Meteor
- Meteor shower
- Meteorite
- Methane
- Microorganism
- Microwave
- Migration
- Milky Way
- Millibar (mb)
- Mineral (biology)
- Mineral (chemistry)
- Mitosis
- Modulation
- Molecular mass
- Molecular weight
- Molecule
- Molten
- Monomer
- Moon
- Motion
- Mutation
- Myoglobin
N
- Nanomaterial
- Nanometer
- Nanotechnology
- Nebula
- Negative charge
- Neutral
- Neutralization
- Neutron
- Neutron star
- Noble gases
- Nonflammable
- Nonmetals
- Normal
- Nova
- Nuclear
- Nuclear fission
- Nuclear fusion
- Nucleation
- Nucleic acid
- Nucleosynthesis
- Nucleus (biology)
- Nucleus (chemistry)
- Nutritional value
O
- Observer
- Oceanic crust
- Octave
- Omega-3
- Ore
- Organ
- Organic molecule
- Organism
- Oscillate
- Osmosis
- Osteocyte
- Ovule
- Ovum
- Oxidation
- Oxide
- Oxidizer
- Oxygenated
- Ozone layer
P
- Pangaea
- Particle(s)
- Peer review
- Peptide
- Periodic table
- pH
- Phagocyte
- Phenotype
- Phloem
- Phospholipid
- Photon
- Photosynthesis
- Pigment
- Pitch
- Planet
- Planetary nebula
- Plasma (biology)
- Plasma (physics)
- Plate boundary
- Polarity
- Polarization
- Pole
- Pollen
- Polymer
- Polyunsaturated
- Positive charge
- Potash
- Potential energy
- Power
- Precipitate
- Precision
- Predator
- Pregnancy
- Preservative
- Pressure
- Prey
- Primeval soup
- Prism
- Product
- Prokaryote
- Propulsion
- Protein
- Proton
- Pure
- P-wave
- Pyroclastic flows
Q
- Quantum
- Quark
R
- Radiation
- Radio waves
- Radioactivity
- Rate of reaction
- Reactant
- Reaction
- Reactivity
- Receiver
- Receptor
- Recessive allele
- 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
S
- Salt
- Satellite
- Saturated fats
- Saturated solutions
- Saturn's rings
- Seafloor spreading
- Sediment
- Sedimentary rock
- Seismic waves
- Semiconductor
- Sensory
- Shockwaves
- SI
- Smog
- Solar cell
- Solar flare
- Solar storm
- Solar System
- Solar wind
- Solid
- Soluble
- Solute
- Solution
- Solvent
- Sonic boom
- Source
- Spacecraft
- Species
- 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
- Synthetic
T
- Taxonomy
- Telescope
- Temperate zones
- Temperature
- Tension
- Terrestrial planets
- Theory
- Thermal
- Thermal decomposition
- Tissue
- Topsoil
- Toxic
- Transducer
- Transform boundary
- Transmitter
- Transparent
- Transpiration
- Transverse wave
- Trench
- Troposphere
U
- Ultrasound
- Ultraviolet light
- Universe
- Unsaturated fats
- Urea
- Uterus
V
- Vaccine
- Vacuum
- Van der Waals Force
- Vaporize
- Variable
- Vertebrate
- Vesicle
- Villi
- Virus
- Visible light
- Vitamin
- Volatile
- Volt (V)
- Volume
W
- Water table
- Watt (W)
- Wavelength
- Weather
- Weathering
- Weight
- White dwarf
- Work
- Wormhole
X
- X-ray
- Xylem
Z
- Zygote

Science Glossary

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

Lens

Lens

An optical device.

Oceanic crust

Oceanic crust

The uppermost solid layer of the Earth beneath the oceans

Addiction

Addiction

A physical or psychological dependence on a substance.

Gland

Gland

An organ that produces a specific substance.

Harmonics

Harmonics

Musical tones that are whole number multiples of the note intended.

Starch

Starch

A carbohydrate made of long chains of repeated glucose building blocks.