Life Science
Physical Science
Earth and Space
Basic Vocabulary
Random
100

A model showing the flow of energy and matter in an ecosystem

Food Web

100

When something is mixed so that it is distributed throughout

Ex: When sugar is mixed in water 

Dissolved 

100

A group of stars that form a particular shape

A constellation 

100

Anything that takes up space or has weight

Matter

100

The star around which Earth orbits

The sun

200

Organisms that get energy from the Sun and use it to photosynthesize

Producer 

200

 A dry, fine substance

Ex: Baking soda, baking powder, cornstarch 

A powder

200

An imaginary line that divides the Earth into two equal sections

The Equator 
200

 A tiny piece of matter

A particle 

200

A representation that is similar, but not exactly like, the real thing

A model

300

Organisms that get matter and energy from other organisms

Consumer

300

A small piece of a solid that has a three-dimensional shape and flat surfaces

Ex: Sugar, salt, alum 

A crystal 

300

The distance that light travels in 1 year

A light-year

300

An answer to a science question

A claim

300

A force that pulls objects near Earth’s surface toward the planet’s center

Gravity

400

Organisms that break down dead organisms

Decomposer

400

A small dropper (used for water or vinegar)

A pipet 

400

To move in a curved path around another object

Orbit

400

Data or observations that show why a claim is true

Evidence

400

 Spinning in a circle around an object’s axis or center

Rotation

500

The process through which plants use energy from the Sun to convert water and CO2 into sugar

Photosynthesis 

500

The process of liquids becoming gas

Evaporation 

500

An instrument to show the time of day by the casting of a shadow

A sundial 

500

Something that changes in an investigation

Variable 

500

A quality or characteristic of a material

A property