Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
Sun
|
A star that is at the center of the solar system.
|
|
|
galaxy
|
a group of many stars
|
|
|
planet
|
a ball of rock or gas that moves around a star.
|
|
|
solid
|
having a definite, firm shape and volume.
|
|
|
liquid
|
a substance that takes on the shape of the container it is in.
|
|
|
moon
|
a ball of rock that moves around a planet.
|
|
|
gas
|
a form of matter that can expand to fill a container and take the shape of the container.
|
|
|
Milky Way
|
the galaxy of which our solar system is part.
|
|
|
star
|
an enormous ball of burning gas.
|
|
|
Universe
|
everything that exists in space.
|
|
|
Solar System
|
A sun plus the planets that move around it.
|
