Physics
This force pulls objects towards the center of the Earth.
What is gravity?
This is the smallest unit of an element that retains its properties.
What is an atom?
The basic unit of life makes up all living organisms.
What is a cell?
This layer of the Earth is made of solid rock and forms the planet's outer shell.
What is the crust?
This is the star at the center of our solar system.
What is the Sun?
The tendency of an object to resist a change in motion is called this.
What is inertia?
This table organizes all known elements based on their properties.
What is the periodic table?
Photosynthesis mainly takes place in this part of a plant cell.
What is the chloroplast?
What is evaporation?
This planet is known as the Red Planet.
What is Mars?
This law states that for every action, there is an equal an opposite reaction.
What is Newton's Third Law of Motion?
This is the process by which a solid turns directly into a gas, skipping the liquid phase.
What is sublimation?
This is the process by which organisms maintain a stable internal environment.
What is homeostasis?
This scale is used to measure the magnitude of earthquakes.
What is the Richter scale?
This is the name for a group of stars that form a pattern in the sky.
What is a constellation?
This is the unit of measurement for force in the international System of Units (SI).
What is the newton?
This is the number of protons in the nucleus of an atom, also known as the element's identifying number.
What is the atomic number?
This molecule carries genetic information in most living things.
What is DNA?
This is the term for molten rock beneath the Earth's surface.
What is magma?
This is the term for the path a planet takes as it revolves around the Sun.
What is an orbit?
This type of energy is stored in a object due to its position above the ground.
What is gravitational potential energy?
This type of bond involves the sharing of electron pairs between atoms.
What is a covalent bond?
This is the process by which organisms better adapted to their environment tend to survive and produce more offspring.
What is natural selection?
This theory explains the movement of Earth's continents over time.
What is plate tectonics?
This is the name of our galaxy.
What is the Milky Way?