Science Flashcards: Physics, Energys, Biology

Question 1

What are the seven energy stores?

Answer 1

GET NECK: GRAVITATIONAL, ELASTIC, THERMAL, NUCLEAR, ELECTRIC, CHEMICAL, KNETIC

Question 2

What is a fossil fuel?

Answer 2

Any organic fuel that was formed from the remains of dead plants and animals and is burnt to release energy.

Question 3

How is coal formed?

Answer 3

The remains of dead plants that lived in swamps 300-400 million years ago were covered in layers of mud and silt, and through me, pressure and heat were transformed into coal.

Question 4

What are some renewable energy sources?

Answer 4

Hydroelectric, Wind, Solar, Geothermal, Tidal

Question 5

What are the energy transfers happening in a hydroelectric plant?

Answer 5

Gravita onal -> kine c -> Electrical

Question 6

What is the combustion equation?

Answer 6

Fuel + oxygen -> Carbon dioxide + water

Question 7

Name some solvents

Answer 7

Water, ethanol, methanol, propanone (acetone)

Question 8

Why do we draw the chromatography origin line in pencil?

Answer 8

Pencil is made of graphite, which is insoluble in most solvents

Question 9

How do you calculate the total magnifica on of a microscope?

Answer 9

Mul ply the objec ve lens magnifica on by the eyepiece lens magnifica on.

Question 10

What are he characteristics of a living thing?

Answer 10

MRS GREN: Movement, Respira on, Sensi vity, Growth, Reproduc on, Excre on, Nutrition