science 2

Question 1

independent variable

Answer 1

the variable that is altered during a scientific experiment.

Question 2

dependent variable

Answer 2

the variable being tested or measured during a scientific experiment.

Question 3

controlled variable

Answer 3

a variable that is kept the same during a scientific experiment.

Question 4

reliability

Answer 4

a measure of how repeatable an experiment is where the results are similar when the experiment was carried out multiple times.

Question 5

validity

Answer 5

which is a measure of how correct the results of an experiment are.

Question 6

soluble

Answer 6

Substances that dissolve in water are called soluble substances.

Question 7

insoluble

Answer 7

Substances that do not dissolve in water are called insoluble substances.

Question 8

miscible

Answer 8

capable of being mixed

Question 9

immiscible

Answer 9

not capable of being mixed

Question 10

heterogeneous mixture

Answer 10

substance in which components aren’t evenly mixed

Question 11

homogeneous mixture

Answer 11

substance in which components are evenly mixed

Question 12

colloid

Answer 12

mixture in which particles aren’t dissolved

Question 13

concentrated

Answer 13

a solution that is rich in solute

Question 14

dilute

Answer 14

a solution that is rich in solvent