An object that attracts iron and steel
What is a Magnet?
The star that is at the center of our solar system
What is the Sun?
A place where an animal or plant lives
What is a Habitat?
A broken or incomplete electrical path
What is an Open Circuit?
A large system of stars, dust, and gas
What is a Galaxy?
Living things compete for resources in order to survive
A nonrenewable resource formed from the remains of prehistoric plants and animals
The 3rd planet from the Sun
What is the Earth?
One organism benefits while the other is harmed
What is Parasitism?
The force that resists motion when 2 surfaces rub against each other
A huge ball of gases in space that gives off heat and light
What is a Star?
A relationship in which both organisms benefit
What is Mutualism?
The bending of light rays as they pass from one substance to another
What is Refraction?
The different appearances of the moon caused by the moon's orbit around the Earth
What is the Lunar Cycle?
The role a population has within its habitat
What is a Niche?