scientific method

Question 1

scientific method

Answer 1

a series of steps followed to solve problems.

Question 2

hypothesis

Answer 2

an explanation that is based on prior scientific research or observations and that can be tested.

Question 3

controlled experiment

Answer 3

is an experiment that tests only one factor, or variable, at a time.

Question 4

variable

Answer 4

a factor in an experiment that’s adaptable to change.

Question 5

control group

Answer 5

a group in an experiment or study that does not receive treatment by the researchers and is then used as a benchmark to measure how the other tested subjects do.

Question 6

experimental group

Answer 6

a group that receives a treatment in an experiment. The “group” is made up of test subjects (people, animals, plants, cells etc.) and the “treatment” is the variable you are studying.

Question 7

step 1

Answer 7

Ask a question.

Question 8

step 2

Answer 8

make a hypothesis.

Question 9

step 3

Answer 9

conduct an experiment.

Question 10

step 4

Answer 10

report results.

Question 11

step 5

Answer 11

analyze information.

Question 12

step 6

Answer 12

collect data.

Question 13

meter

Answer 13

the basic unit of length in the SI ( symbol , m)

Question 14

liter

Answer 14

a metric unit of capacity.

Question 15

gram

Answer 15

a metric unit of mass equal to one thousandth of a kilogram.

Question 16

volume

Answer 16

a measure of the size of a body or region in three dimensional space.

Question 17

mass

Answer 17

a measure of the amount of matter in an object.

Question 18

density

Answer 18

the ratio of the mass of a substance to the volume of the substance.

Question 19

area

Answer 19

a measure of the size of a surface or a region

Question 20

Celsius

Answer 20

previously known as the centigrade scale, is a temperature scale used by the International System of Units.