Habitat
noun
The natural environment where a plant or animal lives and grows....
Oxygen
noun
A colorless gas in the air that living things need to breathe....
Life Cycle
noun
The stages of growth and change a living thing goes through from birth to death....
Solid
noun
A state of matter that has a definite shape and takes up a definite amount of sp...
Liquid
noun
A state of matter that flows and takes the shape of its container....
Gas
noun
A state of matter that has no fixed shape or volume and spreads to fill its cont...
Magnet
noun
An object that attracts iron and certain other metals....
Force
noun
A push or pull that can change the motion or shape of an object....
Energy
noun
The ability to do work or cause change....
Matter
noun
Anything that has mass and takes up space....
Predator
noun
An animal that hunts and eats other animals for food....
Prey
noun
An animal that is hunted and eaten by another animal....
Photosynthesis
noun
The process by which plants use sunlight, water, and carbon dioxide to make thei...
Erosion
noun
The process by which wind, water, or ice wears away rocks and soil....
Gravity
noun
The force that pulls objects toward Earth or toward any other large body....
Organism
noun
Any living thing, including plants, animals, fungi, and bacteria....
Adaptation
noun
A body part or behavior that helps a living thing survive in its environment....
Vertebrate
noun
An animal that has a backbone or spinal column....
Invertebrate
noun
An animal that does not have a backbone....
Ecosystem
noun
All the living and nonliving things in an area and how they interact with each o...
Condensation
noun
The process of water vapor cooling and turning into liquid water....
Evaporation
noun
The process of a liquid changing into a gas or vapor when heated....
Precipitation
noun
Any form of water — rain, snow, sleet, or hail — that falls from clouds to Earth...
Fossil
noun
The preserved remains or traces of an ancient organism found in rock....
Nutrient
noun
A substance that provides nourishment needed for growth and health....