Twig Scotland

A
- Absolute zero
- Absorption
- Acceleration
- Accuracy
- Acid
- Acid rain
- Activation energy
- Active transport
- Adaptive divergence
- Addiction
- Addition reaction
- Adrenaline
- Aerobic respiration
- Aerosol
- Agar
- Air resistance
- Alcohol
- Algae
- Alkali
- Alkali metal
- Alkaline earth metal
- Allele
- Allotropes
- Alloy
- Alpha particle
- Alternating current
- Altitude
- Alveoli
- Amino acid
- Amniotic fluid
- Amorphous
- Amplification of DNA
- Amplify
- Amplitude
- Amylase
- Anaerobic respiration
- Analogue
- Angiosperm
- Angle of incidence
- Angle of reflection
- Angstrom
- Anhydrous compound
- Anode
- Antagonistic muscles
- Antenna
- Anther
- 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
- Avogadro's constant
- Axon
B
- Bacteria
- Baryons
- Basalt
- Base (biology)
- Base (chemistry)
- Beta particles
- Big Bang
- Bile
- Billion
- Biochemistry
- Biodegradable
- Biodiversity
- Biomass
- Biosphere
- Black hole
- Blastocyst
- Blood pressure
- Boiling point
- Boyle's law
- Brittle
- Bronchi
- Bronchiole
- Brownian motion
- Buffer
- Bunsen burner
- Buoyancy
C
- Caldera
- Calibrate
- Carbohydrate
- Carbon dating
- Carbonate
- Carnivore
- Carpel
- Catabolism
- Catalyst
- Cathode
- Cathode ray
- Cell
- Cell cycle
- Cell division
- Cell wall
- Cellulose
- Centre of gravity
- Centripetal force
- Cervix
- Chain reaction
- Chemical bond
- Chemical energy
- Chemical reaction
- Chemical synthesis
- Chemiluminescence
- Chlorofluorocarbons
- Chlorophyll
- Chloroplast
- Cholesterol
- Chordate
- Chromatin
- Chromosome
- Cilia
- Circuit breaker
- Classification
- Climate
- Climatology
- Clone
- Coke
- Combustion
- Comet
- Complete combustion
- Compound
- Compound microscope
- Concave
- Concentration
- Conception
- Condensation reaction
- Condensing
- Conduction
- Consumer
- Continental crust
- Continental Drift
- Control
- Convection
- Convex
- Core (biology)
- Core (Earth sciences)
- Corona
- Correlation
- Corrosion
- Cortisol
- Cosmic dust
- Cosmic rays
- Cosmology
- Coulomb
- Covalent bond
- Cracking
- Crater
- Crude oil
- Crust
- Crystal
- Crystallisation
- Cytoplasm
D
- Dark energy
- Dark matter
- Data
- Decomposition
- Delocalised electrons
- Delta
- Denature
- Denitrification
- Density
- Deoxygenated
- Depression
- Desertification
- Diabetes
- Diatomic
- Diffraction
- Diffusion
- Digestion
- Diode
- Diploid
- Direct current (DC)
- Displacement
- Displacement reaction
- Dissociate
- Dissolve
- Distillation
- Divergence
- DNA
- DNA profile
- DNA replication
- Dominant allele
- Doppler shift
E
- Earth
- Earthquake
- Echo
- Echolocation
- Eclipse, lunar
- Eclipse, solar
- Ecosystem
- Efficiency
- Elastic
- Electric Current
- Electric force
- Electrical charge
- Electrical fuse
- Electrical resistance
- Electrode
- Electrolysis
- Electrolyte
- Electrolytic cell
- Electromagnetic induction
- Electromagnetic radiation
- Electromagnetic spectrum
- Electron
- Electron shell
- Electroplating
- Electrostatic attraction
- Element
- Elliptical orbit
- Embryo
- Emission
- Empirical formula
- Emulsion
- Endangered
- Endocytosis
- Endothermic
- Energy
- Energy level
- Energy resources
- Enthalpy change
- E-Number
- Enzyme
- Epicentre
- Epidemiology
- Equilibrium
- Erosion
- Eukaryote
- Eutrophication
- Evaporation
- Evolution
- Exothermic
- Extinction
- Extraction
- Extrusion
F
- Fahrenheit (°F)
- Fatty acid
- Fermentation
- Fertilisation
- Filtration
- Flammable
- Floodplain
- Fluid
- Fluorescent
- Focus
- Foetus
- Food chain
- Force
- Forensic science
- Formulae
- Fossil
- Fossil fuels
- Frequency
- Functional group
- Fusion
G
- Galaxy
- Gamete
- Gamma ray
- Gamma ray bursts
- Gas
- Gene
- Genetic engineering
- Genotype
- Genus
- Germination
- Giant covalent structure
- Glacial period
- Gland
- Glucose
- Gravitational field
- Gravity
- Greenhouse effect
- Greenhouse gas
- Groundwater
H
- Haemoglobin
- Hale-Bopp
- Half-life
- Halley
- Haploid
- Harmonics
- Heat
- Heat resistant
- Herbivore
- Hertz (Hz)
- Heterogeneous mixture
- Homeostasis
- Homogeneous mixture
- Hormones
- Hot spot
- Hybridisation
- Hydrated compound
- Hydrocarbons
- Hydrophilic
- Hydrophobic
- Hydroxide
- Hyperventilating
- Hypothalamus
- Hypothesis
I
- Igneous rock
- Indicator
- Indicator species
- Inert
- Infectious
- Infrared light
- Infrasound
- Inherited
- Insoluble
- Insulator
- Interdependence of living things
- Interference
- Interglacial period
- Intermolecular force
- Invertebrate
- Involuntary
- Ion
- Ionic bond
- Ionic compound
- Ionisation
- Irritant
- Isomers
- Isotope
- Isotopic mass
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
- Magnify
- 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 formula
- Molecular mass
- Molecular weight
- Molecule
- Molten
- Monomer
- Moon
- Motion
- Motor effect
- Multicellular
- Mutation
- Myoglobin
N
- Nanomaterial
- Nanometre
- Nanotechnology
- Nebula
- Negative charge
- Nephrons
- Neutral
- Neutralisation
- Neutron
- Neutron star
- Niche
- Noble gases
- Non-flammable
- Non-metals
- Normal
- Nova
- Nuclear
- Nuclear fission
- Nuclear fusion
- Nucleation
- Nucleic acid
- Nucleosynthesis
- Nucleus (biology)
- Nucleus (chemistry)
- Nutritional value
O
- Observer
- Oceanic crust
- Octave
- Omega-3
- Omnivore
- Ore
- Organ
- Organic chemistry
- Organic molecule
- Organism
- Oscillate
- Osmosis
- Osteocyte
- Ovule
- Ovum
- Oxidation
- Oxide
- Oxidiser
- Oxygenated
- Ozone layer
P
- Pangaea
- Particle(s)
- Peer review
- Peptide
- Percentage yield
- Periodic table
- Peristalsis
- pH
- Phagocyte
- Phenotype
- Phloem
- Phospholipid
- Photochemical reaction
- Photon
- Photosynthesis
- Pigment
- Pitch
- Planet
- Planetary nebula
- Plasma (biology)
- Plasma (physics)
- Plate boundary
- Polarisation
- Polarity
- Pole
- Pollen
- Pollination
- 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
- Pyramid of numbers
- 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
- Reducing agent
- Reduction
- Reflection
- Reflex arc
- Refraction
- Refractive index
- Renewable energy
- Resolution
- Resonance
- Resonant frequency
- Respiration
- Reversible reaction
- Ribosomes
- RNA
- Robot
- Rotation
S
- Salt
- Sampling
- Satellite
- Saturated fats
- Saturated solutions
- Saturn's rings
- Scalar
- 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
- Stamen
- Star
- Starch
- Static electricity
- Stationary
- Stem cells
- Stimulated emission
- Stratosphere
- Strong acid
- Strong material
- Strong nuclear force
- Subatomic particles
- Subduction
- Sublimation
- Substance
- Substitution reaction
- 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
- Total internal reflection
- Toxic
- Transducer
- Transform boundary
- Transformer
- Transition element
- Transmitter
- Transparent
- Transpiration
- Transverse wave
- Trench
- Trophic level
- Tropism
- Troposphere
U
- Ultrasound
- Ultraviolet light
- Universe
- Unsaturated fats
- Urea
- Uterus
V
- Vaccine
- Vacuole
- Vacuum
- Van der Waals Force
- Vaporise
- Variable
- Vector
- Velocity
- Vertebrate
- Vesicle
- Villi
- Virus
- Viscosity
- Visible light
- Vitamin
- Volatile
- Volt (V)
- Volume
W
- Water table
- Watt (W)
- Wavelength
- Weather
- Weathering
- Weight
- White dwarf
- Work
- Wormhole
X
- Xerophyte
- X-ray
- Xylem
Z
- Zygote

Sorry, this film is not free to view

Please log in to watch the full film or contact us for further information

A 'push' or a 'pull' on an object.

A 'push' or a 'pull' on an object. Unbalanced forces acting on an object can cause it to accelerate or decelerate. Force is measured in Newtons, named after Sir Isaac Newton, who originally defined the concept of force in his laws of motion.

Unbalanced forces acting on an object can cause it to accelerate or decelerate. Force is measured in Newtons, named after Sir Isaac Newton, who originally defined the concept of force in his laws of motion.

Embed this film

<iframe src="https://www.twigscotland.com/film/glossary/embed/force-512/" height="404" width="716" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen ></iframe>

Copy and paste the embed code above to include this film on other websites.

Share this film

Copy and paste the code above to link to this page.

Science glossary film: Force

Sorry, this film is not free to view

Embed this film

Share this film