3rd Grade
Change in state of matter from a liquid to a vapor or gas
Evaporation
A type of living thing that gets its energy from the Sun and is unable to move from place to place on its own
plant
A living thing that can move on its own and that gets its energy from food
animal
Water in the form of a solid
ice
The breakdown of rocks into very small
particles by gravity, water, wind, and ice
weathering
A cold-blooded animal with fins and gills that lives in water
Fish
The long-distance, usually seasonal movement of animals from one place to another
migration
A push or pull that causes an object to move, stop, or change direction
force
A piece of metal that attracts objects with iron in them
magnet
Energy that travels as waves through the air or water and vibrates the eardrum upon contact
sound energy
How hot or cold something is
temperature
A warm-blooded animal that has wings, two legs, feathers, and a beak; lays eggs
bird
A force that resists the motion of two surfaces sliding across one another
friction
The amount of matter in something; measured in grams
mass
Making a complete spin on an axis, causes day and night
rotation
The star at the center of the solar system that supplies heat and light to Earth; its enormous gravity keeps the solar system in orbit
The Sun
Matter with a set volume but no set shape
liquid
Any characteristic that helps a plant or animal survive
adaptation
Anything that has mass and takes up space
matter
The process where plants use sunlight, water, and carbon dioxide to produce sugar and release oxygen
Plants that rely on pollination for reproduction
Flowering plant
A series of small, fast movements back and forth or from side to side
vibrations
The particular way a living thing grows, reproduces, and dies
life cycle
To use the senses to examine or inspect
observe
The property of sound that varies with how fast or slow the vibration is; slow vibrations produce low sounds, and fast vibrations produce high sounds
pitch