Science 1: Vocabulary

Question 1

Observe

Answer 1

Use your senses to gather information

Question 2

Describe

Answer 2

To tell about something’s properties

Question 3

Measure

Answer 3

To compare something to a standard unit or value, for a property

Question 4

Solubility

Answer 4

A property of material that refers to how well it dissolves in another material, such as water

Question 5

Atom

Answer 5

The smallest part of an element that still has the properties of the element

Question 6

Atomic Theory

Answer 6

The idea that everything is made of small particles

Question 7

Compound

Answer 7

Matter made of two or more elements

Question 8

Molecule

Answer 8

The smallest particle of a compound that still has the properties of the compound

Question 9

Ion

Answer 9

An atom with a net electric charge other than zero (different number of protons and electrons)

Question 10

Conclude

Answer 10

Use data and facts to make a statement

Question 11

Organize

Answer 11

To sort something

Question 12

Temperature

Answer 12

A measure of fast something’s particles are moving

Question 13

Mass

Answer 13

The amount of matter in a substance

Question 14

Volume

Answer 14

The amount of space an object takes up

Question 15

Solid

Answer 15

A substance that has a definite shape

Question 16

Liquid

Answer 16

A substance that has a definite volume but does not have a definite shape

Question 17

Gas

Answer 17

A substance that does not have a definite shape or volume

Question 18

Differentiate

Answer 18

To tell the difference between things

Question 19

Physical change

Answer 19

A change in some properties of matter that does not form a different kind of matter

Question 20

Chemical change

Answer 20

A change that produces one or more new substances

Question 21

Establish

Answer 21

To demonstrate or show something to be true

Question 22

Support

Answer 22

To back up a claim with evidence, facts or observations

Question 23

Conservation of matter

Answer 23

The law that in any chemical or physical change, the total mass of the matter does not change

Question 24

Chemical reaction

Answer 24

When one or more substance changes into one or more new substances

Question 25

Mixture

Answer 25

Different materials are placed together, but each material in the mixture keeps its own properties

Question 26

Component

Answer 26

Parts of a mixture

Question 27

Solution

Answer 27

A mixture in which substances are spread out evenly and do not settle to the bottom of the container