This force keeps the planets in orbit around the sun.
What is gravity?
These are the basic units of life.
What are cells?
This is the number of protons in the nucleus of an atom.
What is the atomic number?
She is known for her work in radioactivity and was the first woman to win a Nobel Prize.
Who is Marie Curie?
This layer of the Earth is composed mostly of liquid iron and nickel.
What is the outer core?
The rate of change of velocity is known as this.
What is acceleration?
DNA stands for this.
What is deoxyribonucleic acid?
H₂O is better known by this name.
What is water?
This mathematician’s trajectory calculations were vital to the success of NASA’s early space missions, including John Glenn’s orbital flight.
Who is Katherine Johnson?
This branch of science studies the behavior of matter and energy at the atomic and subatomic level.
What is quantum physics?
This famous equation by Einstein relates mass and energy.
What is E = mc²?
This organelle is known as the powerhouse of the cell.
What is the mitochondria?
This type of bond involves the sharing of electron pairs between atoms.
What is a covalent bond?
This theoretical physicist is famous for his work on black holes and wrote A Brief History of Time.
Who is Stephen Hawking?
This astronomical event occurs when the Moon passes directly between the Earth and the Sun.
What is a solar eclipse?
This law states that the total momentum of a closed system is conserved.
What is the law of conservation of momentum?
This process creates genetically identical cells from one parent cell.
What is mitosis?
This principle states that if a stress is applied to a system at equilibrium, the system shifts to counteract the change.
What is Le Châtelier’s Principle?
This chemist developed the periodic table.
Who is Dmitri Mendeleev?
This gas makes up about 78% of Earth’s atmosphere.
What is nitrogen?
This quantum phenomenon allows particles to affect each other instantly over long distances, defying classical physics.
What is quantum entanglement?
This structure in plants regulates gas exchange and water loss.
What is the stomata?
This is the term for the minimum energy needed to start a chemical reaction.
What is activation energy?
This physicist led the Manhattan Project during World War II.
Who is J. Robert Oppenheimer?
This hypothetical form of matter, which does not emit light or energy, is thought to make up most of the universe’s mass.
What is dark matter?