This is the smallest unit of matter that has distinct properties.
What is an atom?
This is the name for the physical and chemical system that protects us from diseases.
What is the immune system?
This is the force that pulls objects towards the center of the Earth.
What is gravity?
This is the name of the layer of gases surrounding the Earth.
What is the atmosphere?
This is the largest planet in the solar system.
What is Jupiter?
This is the chemical formula for water.
What is H2O?
This is what the process where plants use sunlight to convert carbon dioxide and water into glucose is called.
What is photosynthesis?
This is the state of matter that has no set shape or volume.
What is gas?
This causes day and night on Earth.
What is the rotation of the Earth?
This is the name of the galaxy that contains our solar system.
What is the Milky Way?
This is the lightest element.
What is hydrogen?
This is what the molecule that carries the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms is called
What is DNA?
This is what the process of water turning into gas is called.
(What is evaporation?)
This causes the tides in the oceans.
What is the gravitational pull of the Moon?
This is an object with such intense gravitational pull that not even light can escape from it.
What is a black hole?
This is the word for atoms of the same element with different masses.
What are isotopes?
This organelle is known as the "powerhouse" of the cell and produces ATP energy.
What is the mitochondria?
This is the term for the bending of light rays as they pass from one medium to another.
What is refraction?
This is the kind of rock that is formed by pressing together smaller rocks.
What are sedimentary rocks?
This is the name of the giant cloud of gas and dust from which stars and planets are formed.
What is a nebula?
This is the term for a substance that speeds up a chemical reaction.
What is a catalyst?
This is the name for different forms of a gene that affect the same thing (for example, genes for different colors of eyes).
What are alleles?
This is the process of a solid turning directly into a gas without becoming a liquid first.
What is sublimation?
What is the name for the supercontinent that existed millions of years ago before breaking apart into the continents we know today?
What is Pangaea?
What is the name of the most massive volcano in our solar system, located on Mars?
What is Olympus Mons?