big bang
Across
- 4. The galaxy that contains our solar system. 2words
- 6. Scientists who study stars, planets, and the universe.
- 7. A light gas that is the second most common atom in the universe.
- 8. The ability to do work or cause change; it can be found in different forms.
- 9. A Prize given to people who make significant contributions to science and peace.
Down
- 1. A massive system of stars, gas, and dust held together by gravity
- 2. The simplest and most abundant atom in the universe.
- 3. The vast space that includes everything, like stars, planets, and galaxies.
- 4. Anything that has mass and takes up space.
- 5. The tiny building blocks that make up all matter.