This video covers: - What alpha, beta and gamma radiation are - How to write decay equations for them General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined...

This video covers: - Newton's first law - Newton's second law - F=ma equation - The idea of circular motion - Inertia and inertial mass General info: - Suitable for all GCSE and IGCSE courses - See below for whether it is higher or...

This video covers:

- How the idea of moments applies to l
evers
- How gears use

moments />
General info:
- Suitable for al
l GCSE and IGCSE courses
- See below for whether it is higher or founda
tion...

This video covers:

- How microwaves are used to heat
food
- How microwaves are used in satellite comm
unication
- The idea that hotter objects emit more inf
rared radiation
- How we use infrared radia

tion...

This video covers:

- What esters
are
- How they're made from carboxylic acids and
alcohols
- Th

eir properties


Exam board specific info:
AQA - Everything is relevant to your course! You only need to...

In this video, you'll learn: - How crude oil is formed - How crude oil is separated using fractional distillation - The process of fractional distillation - Some of the common products of fractional distillation, and their uses

This video covers:

- The idea that atom economy is a measure of the amount of starting materials that end up as useful pro
ducts
- How to calculate at
om economy
- Why we shoul
d care about it
- How to

improve...

This video covers:

- Alcohols are a homologous series of organic compounds with an OH functional g
roup
- How to
name them
- Their properties: flammable, soluble and they c
an be oxidised
- Their uses: as...

This video covers:

- The idea that the carbon-carbon double bond can break, which allows the carbons to bond to new a
toms
- How alkenes react with hydrogen to fo
rm alkanes
- How alkenes react with water to
form...

This video covers:

- How the carbon carbon double bond allows alkenes to form addition poly
mers
- How to write reactions for polym
erisation
- How to draw the monomers, polymers an
d repeat units
- The...

This video covers:

- The structure of
DNA
- What nucleo
tides are
- Complementar
y base pairing
- How gene
s code for proteins
- T

he functions of proteins

Exam board specific info: (p
robably...

This video covers:

- What genetic mutations
are
- What causes mutations e.g. carcinogens and harmful
radiation
- What the cons
equences can be
- The 3 types of mutations: substitution,

addition, deletion...

This video covers:

- The idea that biomass is just the mass of living organ
isms
- Pyramids of biomass show the amount of biomass at each trophic level of a
food chain
- Why the amount of biomass decreases as you...

This video covers:

- Brief summary of sexual and asexual reproduc
tion
- The advantages and disadvantage

s of each

Exam
board specific info:
AQA - Separa
te/triple science only
IGCSE Edexcel -...

This video covers:

- How we can use plant hormones to control growth in pl
ants
- How we can use Auxins to stimulate plants to grow, or k
ill weeds
- Uses of Gibberellin to control dormancy, induce flowering and...

This video covers:

- Why we need to regulate our body temper
ature
- How the thermoregulatory centre in the b
rain works
- How we warm ourselves up when
we're too cold
- How we cool ourselves dow

n when we're too...

This video covers:

- How the eye focusses light onto the retina, which is known as accommod
ation
- How the ciliary muscles and suspensory liga

ments work

Exam
board specific info:
AQA
- Separate science...

This video covers: - The experiment that Mendel did with pea plants, looking at pea colour, flower colour, and height. - How Mendel discovered hereditary units, which could be recessive or dominant - An overview of when chromosomes, and...

This video covers: - What family trees are and how they work - How to use keys - The example of cystic fibrosis - How to use family trees to predict the chance of a disease being inherited Exam board specific info: AQA - Everything is...

This video is part 1 of our series on fractions. It covers what fractions really mean i.e. parts of a whole number, as well as how to simplify them. We also explain the terms numerator and denominator.



This video is...

This video covers:

- The structure of the kidneys and urinary s
ystem
- The structure of t
he nephron
- How filtrate is filtered from the glomerulus to the B
owman's capsule
- Which substances are reabsorbed from...

This video covers:

- The 3 main functions of the kidn
eys:
1) removi
ng waste,
2) regulating level
s of ions, and
3) regula
ting levels of water
- How the kidneys can achieve all of this using filtration...

This video covers

- The concept of den
sity
- The equation for density and how
to use it
- How to measu
re density for:

- Regular solids
> - Irregul

ar solids /> - Liquids...

This video covers:

- What contact force
s are
- Examples - friction, air resistance, tension, normal reac
tion force
- What non-con
tact forces are
- Examples - gravitational, ele

ctrostatic,...