What is current?
The flow of electric charge is called this.
What is an ecosystem?
The living and nonliving things that interact in a specific area.
What is Hydrogen?
the lightest and first element on the periodic table.
What is the Sun?
This is the closest star to Earth.
What is a battery (or cell)?
A source of electrical energy in most circuits.
What are producers?
These organisms make their own food using sunlight.
What is the atomic number?
This number tells you how many protons an atom has.
What is the Milky Way?
This is the name of our galaxy.
What is a parallel circuit?
If one bulb goes out, the others stay on in this type of circuit.
What is a decomposer?
This type of organism breaks down dead plants and animals.
What is an element?
A pure substance made of only one kind of atom.
What is Pluto?
This is a dwarf planet that was once considered the 9th planet.
What is a conductor?
A material that allows electric current to pass through easily.
What is a food chain?
A diagram that shows how energy flows from one organism to another.
What is mass number minus atomic number?
This is how you calculate the number of neutrons.
What is the tilt of Earth’s axis?
The reason we have different seasons on Earth.
What is Ohm's Law?
This is the law of electricity that represents voltage, current, and resistance in a circuit.
What is deforestation?
This human activity can lead to habitat destruction and species extinction.
What is the nucleus?
This is the center of an atom.
What is a supernova?
A star explodes in this type of event at the end of its life cycle.