Science t2 Flashcards
Static electricity
An imbalance of electric charges within or on the materials surface
Current electricity
Flow of electric charge or flow of charge carriers
Electric charge
A basic property of matter
Charge carriers
Charged particles that move through a conductor or an electrolyte
Negative charge
The type of electric charge electrons have
Positive charge
The type of electrical charge protons have
Voltage
Potential difference
Volt
Unit of voltage
Voltmeter
Used to measure the potential difference
Electron drift
Anti clockwise
Conventional current
Clockwise
What are the types of magnets
Permanent magnets and temporary magnets
Digestion
Breaking down of food to make nutrient molecules in the body
Where do the magnetic field lines go
North circles round into south, north has lines going out, south has lines going in.
Enzyme
A protein that acts as a biological catalyst that speeds up chemical reaction
Carbohydrate
The main source of energy
Protein
Nutrient molecule that is used for growth and repair
Lipid
Used for energy
Fibre
Keeps the bowel functioning correctly
carbohydrates example
Corn
Protein example
Eggs
Lipids example
Avocados
Vitamin a
Healthy eye sight
Carrots
Vitamin c
Growth
Fruits and vegetables
Vitamin D
Bone health
Eggs
Fibre examples
Whole grain pasta
Alimentary canal order
Mouth
Oesophagus
Stomach
Small intestine
Large intestine
Anus
What is enzymes reffered to
Locks and key