Ecosystem
What is a group of living and non-living things interacting called?
What is an ecosystem?
What do we call the flow of electric charge?
Electron current
What are the two poles of a magnet?
What are the north and south poles?
What does the word "terraforming" mean?
What is making another planet more like Earth?
What do we call an animal that eats only plants?
What is a herbivore?
What material allows electricity to flow easily?
What is a conductor?
What happens when you put two north poles together?
What is they repel?
What planet do scientists most often talk about terraforming?
What is Mars?
What is the role of a decomposer in an ecosystem?
What is to break down dead plants and animals?
What unit is used to measure electric current?
What is an ampere or amp?
Which metal is commonly attracted to magnets?
What is iron?
Name one thing humans would need to create on another planet to make it livable.
What is oxygen / water / temperature control / food?
What do we call a diagram that shows who eats whom in an ecosystem?
What is a food chain or food web?
What three things are needed to make a complete (closed) electric circuit?
What are a power source, a conductor (wire), and a load (like a light bulb)?
What invisible field surrounds a magnet?
What is a magnetic field?
What is one way we could warm up a planet like Mars?
What is using greenhouse gases / giant mirrors / nuclear power?
What happens when one species is removed from a food web?
What is the balance of the ecosystem can change or collapse?
This type of electricity is produced by rubbing two objects together.
What is static electricity?
What do we call a coil of wire with an electric current that acts like a magnet?
What is an electromagnet?
Why is terraforming considered a controversial idea?
What is it's expensive, could harm the environment, or takes a long time?