Space Objects
These rocky objects orbit the Sun and are much smaller than planets, often found in a belt between Mars and Jupiter.
What are asteroids?
This term describes the force of attraction that objects exert on each other due to their mass.
What is gravitational pull?
This includes the Sun and all the objects that orbit it.
What is the solar system?
An organism, like a plant, that can make its own food through photosynthesis.
What is an autotroph?
A relationship between two organisms in which one benefits and the other is neither helped nor harmed.
What is commensalism?
This icy space object develops a glowing tail when it gets close to the Sun.
What is a comet?
This force keeps your feet on the ground and the planets in orbit around the Sun.
All of space and everything in it, including galaxies, stars, and planets.
What is the universe?
An organism that must eat other organisms to get energy.
What is a heterotroph?
When organisms fight for the same limited resources such as food, water, or territory.
What is competition?
The Milky Way is an example of this enormous collection of stars, gas, and dust held together by gravity.
What is a galaxy?
The curved path an object takes as it revolves around another object in space.
What is an orbit?
A huge ball of hot gases that produces its own light and heat.
What is a star?
A diagram that shows how energy decreases as it moves up through a food chain.
What is an energy pyramid?
A relationship in which both organisms benefit.
What is mutualism?
Earth’s natural satellite that reflects sunlight and affects our ocean tides.
What is the moon?
This term describes the location of an object in relation to another object.
What is relative position?
The Milky Way is this type of galaxy.
What is a spiral galaxy?
This consumer is at the top of many food chains and eats secondary consumers.
What is a tertiary consumer?
A relationship where one organism benefits and the other is harmed.
What is parasitism?
A large object that orbits a star and is massive enough to be rounded by its own gravity.
What is a planet?
This star is the center of our Solar System.
What is the sun?
This is the most common element in the universe.
What is Hydrogen?
A step in a food chain that shows an organism’s feeding position.
What is a trophic level?
When one organism hunts and eats another organism.
What is predation?