Chemistry
The smallest particle of an element.
What is an atom?
The flow of electric charge
What is electricity?
The star at the center of our solar system
What is the Sun?
The basic unit of life.
What is a cell?
This is the name for all the non-living parts of an ecosystem like air, water, and soil.
What are abiotic factors?
The pH of a neutral solution.
What is 7?
A material that allows electricity to flow easily.
What is a conductor?
The force that keeps planets in orbit.
What is gravity?
The process plants use to make food.
What is photosynthesis?
The type of energy that is stored in food and chemical bonds.
What is chemical energy?
A substance made of two or more elements chemically combined.
What is a compound?
A complete path through which electricity can flow.
What is a circuit?
The galaxy that contains our solar system.
What is the Milky Way?
A diagram that shows feeding relationships and the flow of energy in an ecosystem.
What is a food web?
This is the path electrons follow when electricity flows through a closed loop
What is a circuit?
The arrangement of elements on the periodic table is based on this property.
What is atomic number?
The device used to measure electric current.
What is an ammeter?
The name of a rocky object that enters Earth's atmosphere and burns up
What is a meteor?
Living parts of an ecosystem, such as plants, animals, and fungi
What are biotic factors?
This is the name of the natural satellite that orbits Earth.
What is the Moon?
The chemical formula H₂O shows that water contains this ratio of hydrogen atoms to oxygen atoms.
What is 2:1?
Ohm's Law relates voltage, current, and this quantity.
What is resistance?
The path a planet follows around a star
What is an orbit?
If a population of rabbits decreases dramatically, this group of organisms that feeds on rabbits may also decline.
What are predators?
The Sun provides energy, plants convert it into chemical energy, and consumers obtain it by eating plants or other animals. This describes the movement of what through an ecosystem?
What is energy flow?