This molecule makes up 60% of your body and 70% of Earth's surface.
Water
These cause Covid-19, as well as other diseases. They are not alive and can’t reproduce outside of a host cell.
Viruses
This force pulls objects with mass towards each other, and keeps you on the ground.
Gravity
This biome on earth contains animal and plant diversity and contains the most precipitation.
Rainforest
This gas makes balloons float, and it is element 2 on the periodic table.
Helium
This is the process that plants use to convert sunlight to energy.
Photosynthesis
This phenomenon occurs when you rub two objects together and generate heat.
Friction
The asteroid belt runs between these two planets.
Mars and Jupiter
What are the two types of particles in the nucleus of an atom?
Protons and neutrons
This molecule with a double helix structure contains genetic information.
DNA
This type of radiation has more energy than visible light, comes from the sun, and is used in hospitals.
X-rays
These sheets of the Earth’s crust cause earthquakes when they move.
Tectonic plates
This group of gases rarely reacts or bonds with other elements because their outer electron shell is full.
Noble gases (or group 18)
Amino acids combine to form this macromolecule.
Protein
This object can be used to prove the Earth’s rotation, and consists of a weight suspended from a pivot.
Pendulum
This “ice giant” planet rotates on a steep tilt.
Uranus
This is the term for an atom which has lost or gained an electron, which gives it a positive or negative charge.
Ion
These organs contain alveoli and are important part of the respiratory system.
Lungs
This law states that “every action has an equal and opposite reaction.”
Newton's 3rd Law
This planet has a rotating hexagonal storm at its north pole.
Saturn