Biology
The process do plants use to convert sunlight into energy.
What is photosynthesis?
It is the name of the smallest unit of an element that retains its chemical properties.
What is an atom?
The bending of light as it passes from air into water is an example of this phenomenon.
What is refraction?
This gas makes up the majority of Earth’s atmosphere.
What is nitrogen?
It is the largest bone in the human body.
What is the femur?
This planet is known as the Red Planet.
It is the basic unit of life.
What is a cell?
It is a common name for iron oxide.
What is rust?
It is the unit of electrical resistance.
What is the ohm?
This scale measures the magnitude of earthquakes.
What is the Richter scale?
This system in the body controls hormones.
What is the endocrine system?
What it's called when the Earth passes between the Sun and the Moon, casting a shadow on the Moon.
What is a lunar eclipse?
This term describes the movement of water across a semi-permeable membrane.
What is osmosis?
This number, found on the periodic table, tells you how many protons are in an atom’s nucleus.
What is the atomic number?
It is the term for the energy an object has due to its motion.
What is kinetic energy?
It is the term for molten rock beneath the Earth’s surface.
What is magma?
It is the largest organ in the human body.
What is the skin?
It's the term for the explosion of a dying star.
What is a supernova?
It is the process that cells use to divide and create two identical daughter cells.
What is mitosis?
The pH scale measures the concentration of these ions in a solution.
What are hydrogen ions (H⁺)?
It take approximately this many minutes for light to travel from the Sun to Earth.
It is the name of the supercontinent that existed around 300 million years ago.
What is Pangaea?
This protein in red blood cells carries oxygen from the lungs to the rest of the body.
What is hemoglobin?
This planet is the farthest from the Sun in our solar system.
What is Neptune?
This organelle is known as the powerhouse of the cell.
What is the mitochondrion?
It is the name applied to compounds that have the same atomic composition but differently arranged producing different properties.
What is the isomerism?
It is the name of the particle with a negative charge orbiting the nucleus?
What is an electron?
This theory explains that Earth’s lithosphere is broken into moving sections that cause earthquakes and mountain building.
What is plate tectonics?
The tiny air sacs in the lungs where oxygen and carbon dioxide are exchanged.
What are alveoli?
The point in Earth’s orbit when it is farthest from the Sun.
What is aphelion?