L to J Q3

A line through an object around which it rotates

A round object that orbits the Sun and dominates its orbit

The spinning of a body, like Earth, on its axis

A small body of ice and dust that orbits the Sun

The motion of one body around another, like Earth's orbit around the Sun

small, rocky bodies that move with a solar system

the blocking of the light from an astronomical body by the shadow of another body

the force of attraction between all masses in the universe

a region where a magnetic force can be observed

a planet primarily composed of rock

tendency of an object to resist change in motion

the envelope of gases surrounding the earth or another planet

the branch of science which deals with celestial objects, space, and the physical universe as a whole

the natural satellite of the earth, visible by reflected light from the sun

the alternating rise and fall of the ocean or other large bodies of water

the curved path in which a planet, satellite, or spacecraft moves in a circle around another body

a planet primarily composed of gases

a measure of the amount of matter an object has

measure of the force of gravity on an object, can change based on location

a group of stars, clouds of gas, and dust particles that move together through the universe

chunk of rock or metal from space that falls through the atmosphere, or layer of gases, surrounding Earth

chunk of rock or metal from space that survives its fall and reaches Earth's surface

areas where a large amount of energy is released to the surface of the Sun

any of the dark spots that appear at times on the sun's surface and are usually visible only through a telescope

the process of joining 2 or more smaller atoms to make a larger atom

system that brings oxygen into the body releases carbon dioxide

system that allows the production of offspring

system that regulates the body's response to stimuli

system that protects the body against infection

a group of specialized cells

system that breaks down food into energy for the body

a group of tissues that work together to carry out a specific function

system of glands that make hormones to regulate the body

system that provides a flow of nutrients throughout the body

Basic unit of life