A
What process allows plants to use sunlight to produce their own food?
Photosynthesis
What force causes a dropped object to fall toward Earth?
Gravity
What change occurs when liquid water becomes water vapor?
Evaporation
What organ pumps blood throughout the human body?
Heart
What type of animal eats only plants?
Herbivore
What gas do plants take in during photosynthesis?
Carbon dioxide
What instrument measures temperature?
Thermometer
What is the natural satellite that orbits Earth?
Moon
What part of a plant absorbs water and minerals from the soil?
Roots
What type of energy does a moving object possess?
Kinetic energy
What process occurs when water vapor cools and forms liquid droplets?
Condensation
What term describes the wearing away of Earth's surface by water, wind, or ice?
Erosion
What type of rock forms when molten rock cools and hardens?
Igneous rock
What blood vessels carry blood away from the heart?
Arteries
What process releases water vapor from plant leaves?
Transpiration
What force resists motion when two surfaces rub against each other?
Friction
What process changes sediment into sedimentary rock through compaction and cementation?
Lithification
What layer of Earth produces the magnetic field surrounding the planet?
Outer core
What atmospheric layer contains the ozone layer?
Stratosphere
What is the movement of tectonic plates that causes Earth's continents to slowly change position called?
Continental drift
What process causes water to move continuously between Earth's surface and the atmosphere?
Water cycle
What term describes the relationship in which both organisms benefit from each other?
Mutualism
What type of energy is produced when electric charges flow through a conductor?
Electrical Energy
What term refers to the gradual change of living organisms over many generations?
Evolution
What process occurs when a solid changes directly into a gas without becoming a liquid?
Sublimation