What are the three states of matter?
Solid, liquid, gas
What is the primary source of energy for most ecosystems?
The sun
What is the name of the galaxy we live in?
Milky Way
What is the outermost layter of Earth called?
What is the smallest unit of matter? (worth 200 points)
atom
This property measures how much space matter takes up.
What is volume
These organisms make their own food using sunlight.
plants
What is the closest star to Earth?
The sun
This process breaks down rocks into smaller pieces.
Weathering
These organisms break down dead plants and animals. (400 points)
decomposers
When water freezes, it changes from a liquid to this state of matter?
Solid
What do we call animals that eat both plants and other animal?
omnivores
What is the name of the force that keeps planets in orbit around the sun?
Gravity
What is the name of the cycle that moves water through evaporation, condensation, and precipitation?
water cycle
What is the name of the galaxy closest to ours? (600)
andromeda
This property describes how easily a substance can be scratched
hardness
gas exchange
A grouping of stars that make a figure or design in the sky is called?
A constellation
This layer of the atmosphere protects us from the Sun's harmful UV rays
the ozone layer
What is the term for the shaking of Earth's surface caused by tectonic plates? (800)
earthquake
What is the process called when a gas turns into a liquid?
condensation
What is the term for the transfer of energy from one organism to another in an ecosystem?
Food chain or web
What is the name of the phase when the moon is completely dark?
New Moon
What is the name of the supercontinent that existed millions of years ago?
Pangaea
What is the name of the phenomenon where the Moon blocks the Sun's light? (1,000)
Solar Eclipse