Term 1 .2

Question 1

What is a varible ?

Answer 1

Variables are factors you need to control when designing and conducting an experiment. They are factors that might have some influence on an experiment. Controlling variables will make it a FAIR TEST.

Question 2

What is a dependent variable ?

Answer 2

The variable you MEASURE for the experiment.

Question 3

What is a independent variable ?

Answer 3

The variable “I”/you TEST or CHANGE.

Question 4

What is a controlled variable ?

Answer 4

All the other variables in the experiment that need to be kept the same to ensure a FAIR TEST.

Question 5

What is the diffrent between atom and molecule ?

Answer 5

An atom is the smallest unit of matter that still has all of the properties of its element, whereas a molecule is a structure that contains multiple atoms bonded together

Question 6

What is a monotomic element?

Answer 6

Monoatomic elements are elements that are stable as single atoms

Question 7

Practice electron shell diagram ?

Question 8

How is the periodic table formed ?

Answer 8

In the basic form, elements are presented in order of increasing atomic number, in the reading sequence. Then, rows and columns are created by starting new rows and inserting blank cells, so that rows (periods) and columns (groups) show elements with recurring properties (called periodicity).

Question 9

Properties that describe how sunstances to combine or break up to form new chemicals

Answer 9

Chemical Properties

Question 10

Properties you can observe or measure

Answer 10

Physical Properties

Question 11

The spreading one substances through another by movement of particles; how gases moves

Answer 11

diffusion

Question 12

the new products formed in a chemical reaction

Answer 12

products

Question 13

the chemicals used up in the reaction

Answer 13

reactants

Question 14

each vertical column on the periodic table

Answer 14

group