Science Revision

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What makes a healthy diet ?
Carbs, Proteins, fats,vitamins,minerals, fibre and water
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Why are nutrients important ?
They help u stay healthy and alive
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Vitamins ?
Substances for keeping you healthy
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Carbs ?
A type of nutrients. Carbs give you energy
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Fibre ?
Keeps food moving through the gut
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Water ?
It helps the body lose sweat, tears, urine and exhaling
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Large intestines
Squeezes out the water, from the food
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Gullet
The food goes down the chube
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Small intestine
Breaks the food down
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Mouth
Crunches up the food. Let's food into your body
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Stomach
Your muscular tube churns the food.
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Enzyme
An enzyme increases the rate of chemical reactions without being used up.
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Is a carbohydrate an enzyme ?
Yes. It breaks down carbs into sugar molecules
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Protease
It is an enzyme that breaks down proteins into amino acids
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Lipase
It is an enzyme that breaks down lipids into fatty acids
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Static Electricity
It is produced by FRICTION
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What happens when Electrons are removed from a material ?
It becomes positively charged.
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Are Electrons negatively charged ?
Yes they are.
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Electric charge, name 2
Positive + negative charge.
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Solvent
It is a liquid that will allow solids to dissolve in it.
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Solute
It can dissolve in a liquid. e.g sugar
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Chromatography
It can separate coloured dyes using solvent. The different colours are dotted onto special chromotography paper. This lets the water soak up easily. The colours separate because the colours soak up at different rates.
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Distalation
It uses evaporation and condensation to obtain a solvent from a solution.
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Photosynthesis
Plants and algae are called producers because they make their own food. They use glucose, a carb using sunlight.
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Consumers
Animals are called consumers because they have to eat other organisms to survive.
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Photosynthesis (1)
Carbon dioxide + water light glucose + oxygen
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Chloroplasts
Chlorophyll converts the sun's energy with carbon dioxide. The chloroplasts are in the leaves.
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How does Anaerobic respiration happen ?
Happens during exercise.
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How does Aerobic Respiration happen ?
It produces energy from glucose and oxygen.
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Where does respiration occur ?
It happens inside tiny structures of your muscle inside the mitochondria
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Other cards in this set

Card 2

Front

Why are nutrients important ?

Back

They help u stay healthy and alive

Card 3

Front

Vitamins ?

Back

Preview of the front of card 3

Card 4

Front

Carbs ?

Back

Preview of the front of card 4

Card 5

Front

Fibre ?

Back

Preview of the front of card 5
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Comments

Jazzy15

I hope you guys enjoy these science revision cards. 

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