A model showing the flow of energy and matter in an ecosystem
Food Web
When something is mixed so that it is distributed throughout
Ex: When sugar is mixed in water
Dissolved
A group of stars that form a particular shape
A constellation
Anything that takes up space or has weight
Matter
The star around which Earth orbits
The sun
Organisms that get energy from the Sun and use it to photosynthesize
Producer
A dry, fine substance
Ex: Baking soda, baking powder, cornstarch
A powder
An imaginary line that divides the Earth into two equal sections
A tiny piece of matter
A particle
A representation that is similar, but not exactly like, the real thing
A model
Organisms that get matter and energy from other organisms
Consumer
A small piece of a solid that has a three-dimensional shape and flat surfaces
Ex: Sugar, salt, alum
A crystal
The distance that light travels in 1 year
A light-year
An answer to a science question
A claim
A force that pulls objects near Earth’s surface toward the planet’s center
Gravity
Organisms that break down dead organisms
Decomposer
A small dropper (used for water or vinegar)
A pipet
To move in a curved path around another object
Orbit
Data or observations that show why a claim is true
Evidence
Spinning in a circle around an object’s axis or center
Rotation
The process through which plants use energy from the Sun to convert water and CO2 into sugar
Photosynthesis
The process of liquids becoming gas
Evaporation
An instrument to show the time of day by the casting of a shadow
A sundial
Something that changes in an investigation
Variable
A quality or characteristic of a material
A property