This is molten rock that erupts from a volcano.
Lava
Plants make their own food using this process.
Photosynthesis
Water freezing into ice is an example of this type of change.
Physical Change
The planet we live on.
Earth
This organ pumps blood through the body.
Heart
Water changing from liquid to gas is called this.
Evaporation
Animals that eat only plants are called this.
Herbivores
Matter is anything that has mass and takes up this.
Space
The star at the center of our solar system.
Sun
You breathe using these organs.
Lungs
The layer of Earth we live on.
Crust
The basic unit of all living things.
Cell
The three common states of matter.
Solid liquid and gas
Earth revolves around the Sun in this amount of time.
one year
The hard structures that protect organs and help us move.
Bones
This instrument measures temperature.
Thermometer
This part of the plant absorbs water from the soil.
Roots
Energy from the Sun that warms Earth.
Solar Energy
The path a planet follows around the Sun.
Orbit
This body system controls your movements and senses.
Nervous System
A scientist who studies weather is called this.
Meteorologist
An animal active mostly at night is called this.
Nocturnal
This force pulls objects toward Earth.
Gravity
The first person to walk on the Moon.
Neil Armstrong
Tiny blood vessels where oxygen enters the blood.
Capillaries