Cracking hydrocarbons
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Cracking hydrocarbons
4:17
Fractional distillation and crude oil
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Fractional distillation and crude oil
3:28
Blood glucose regulation
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Blood glucose regulation
7:33
Ultrasound
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Ultrasound
7:07
Calculating resistance in parallel
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Calculating resistance in parallel
3:35
Respiration
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Respiration
4:55
Electrolysis
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Electrolysis
6:23
Moles
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Moles
6:37
Amazing microscope images
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Amazing microscope images
2:54
Eukaryotic and Prokaryotic cells
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Eukaryotic and Prokaryotic cells
6:46
Calculations in science
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Calculations in science
3:36
Exam Technique #3
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Exam Technique #3
5:32
Exam Technique #2
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Exam Technique #2
6:06
Exam Technique #1
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Exam Technique #1
4:54
How to revise
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How to revise
6:11
Nerves and hormones
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Nerves and hormones
10:25
Food security
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Food security
6:54
Decomposition
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Decomposition
4:58
Trigonometry exam question
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Trigonometry exam question
3:40
Bacteria, viruses and fungi
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Bacteria, viruses and fungi
5:46
Mitosis
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Mitosis
4:19
DNA replication
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DNA replication
2:44
The Kidney
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The Kidney
6:58
What is radiation
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What is radiation
8:53
The Electromagnetic Spectrum
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The Electromagnetic Spectrum
13:05
genetic engineering
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genetic engineering
5:03
transposition
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transposition
6:56
digestion
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digestion
11:22
Diffusion, active transport and osmosis
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Diffusion, active transport and osmosis
9:53
Heat Transfer
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Heat Transfer
9:12
Acceleration
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Acceleration
9:26
Speed Time Graphs
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Speed Time Graphs
5:08
Group 7 Halogens
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Group 7 Halogens
9:21
The Group 1 Alkali Metals
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The Group 1 Alkali Metals
7:27
Speed, distance and time
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Speed, distance and time
6:14
Polymers
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Polymers
7:59
Formula and Equations
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Formula and Equations
10:09
Evolution
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Evolution
6:54
Paints and Pigments
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Paints and Pigments
4:57
Dark matter and dark energy
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Dark matter and dark energy
3:39
momentum
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momentum
5:38
Taxis in plants
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Taxis in plants
3:03
Burning magnesium
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Burning magnesium
4:55
The Circulatory System
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The Circulatory System
9:13
Day and Night
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Day and Night
4:46
Centripetal Force
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Centripetal Force
8:36
Balanced and Unbalanced Forces
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Balanced and Unbalanced Forces
8:04
Global Warming
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Global Warming
4:32
Adaptation
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Adaptation
4:41
interdependence
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interdependence
5:49
nitrogen cycle
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nitrogen cycle
4:54
Energy flow
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Energy flow
7:53
classification
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classification
8:11
enzymes
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enzymes
5:18
Carbon cycle
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Carbon cycle
3:47
photosynthesis
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photosynthesis
5:51
Rates of reaction
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Rates of reaction
6:28
fundamentals of chemistry 2
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fundamentals of chemistry 2
7:37
Fundamentals of chemistry
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Fundamentals of chemistry
12:02
Cells, DNA and Protein synthesis
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Cells, DNA and Protein synthesis
12:07
covalent bonding
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covalent bonding
10:51
Ionic Bonding
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Ionic Bonding
7:47
The Periodic Table
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The Periodic Table
8:34
How to draw an atom
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How to draw an atom
10:22
Nuclear Fission
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Nuclear Fission
9:47
Nuclear Fusion
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Nuclear Fusion
8:41
Background Radiation
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Background Radiation
7:42
Patterns of radioactive decay
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Patterns of radioactive decay
10:16
current and resistance
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current and resistance
8:21
Static Electricity
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Static Electricity
6:34
Calculating yields
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Calculating yields
6:40
Relative Formula Mass complete
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Relative Formula Mass complete
2:38