Science Exam Revision

Question 1

Ecology

Answer 1

The study of ecosystems

Question 2

Ecosystem

Answer 2

The biological interactions with a species in their enviroment

Question 3

Habitat

Answer 3

The natural home of an animal or plant

Question 4

Abiotic

Answer 4

A non-living organism in a enviroment

Question 5

Atom

Answer 5

The building block of all things which contains electrons and protons and nutrons in a nucleus

Question 6

Isotopes

Answer 6

Atoms that differ due to the number of nuetrons in the nucleus not the element

Question 7

Products

Answer 7

Something made from a chemical reaction

Question 8

Reactant

Answer 8

Something that reacts in a chemical reaction

Question 9

Cosmic Radiation

Answer 9

Natural radiation from space

Question 10

Nuclear Radiation

Answer 10

Raidation from the Nucleus

Question 11

Radiostope

Answer 11

Radioactive isotopes

Question 12

Radiocarbong dating

Answer 12

Finding the date of fossil fuels due to the ammount of unchanged carbon atoms

Question 13

Law of Conservation Mass

Answer 13

That the mass of recatants to products is always the same

Question 14

Law of Consrvative Proportions

Answer 14

The law that the ration of elements is always the same