HUMAN BODY & BIOLOGY
What organ pumps blood throughout the human body?
Heart
What planet is known as the Red Planet?
Mars
What is the chemical formula for water?
H₂O
What force pulls objects toward Earth's center?
Gravity
What process do plants use to make food from sunlight?
Photosynthesis
What gas do humans breathe in that is necessary for survival?
Oxygen
What force keeps planets orbiting the Sun?
Gravity
What are the three common states of matter?
Solid, liquid, and gas
What type of energy does a moving object possess?
Kinetic energy
What gas do plants absorb from the atmosphere during photosynthesis?
Carbon dioxide
What part of the cell contains DNA and controls most cell activities?
Nucleus
What layer of Earth's atmosphere contains most of the ozone layer?
Stratosphere
What is the chemical symbol for gold?
Au
What is the unit used to measure electrical resistance?
Ohm
What is the term for an animal that eats both plants and other animals?
Omnivore
What is the largest organ in the human body?
Skin
What type of rock forms when magma or lava cools and solidifies?
Igneous rock
What is the name of the negatively charged particle in an atom?
Electron
What is Newton's Third Law of Motion?
For every action, there is an equal and opposite reaction.
What is the role of decomposers in an ecosystem?
Breaking down dead organisms and recycling nutrients
What part of the brain is responsible for balance and coordination?
Cerebellum
What is the name of the boundary where two tectonic plates move away from each other?
Divergent boundary
What type of chemical bond forms when atoms share electrons?
Covalent bond
A 10-kilogram object accelerates at 3 meters per second squared. What is the net force acting on it?
30 newtons (F = ma)
What is the scientific term for the gradual change in species over generations through inherited characteristics?
Evolution