Science

3. The preserved remains or impression of a prehistoric animal or plant found in rock
4. An object that produces a magnetic field and attracts iron and certain other metals
7. The ability to do work or cause change — it comes in forms like heat, light, motion and electricity
8. The invisible force that pulls objects toward Earth — what makes a basketball fall back down
10. When the moon passes between Earth and the sun, briefly blocking the sunlight during the day
11. Isaac ___ — the scientist who discovered the laws of gravity and motion in the 1600s

1. The process plants use to convert sunlight and carbon dioxide into food and oxygen
2. The process where liquid water is heated by the sun and turns into water vapor in the air
5. The gas that humans breathe to survive — it makes up about 21 percent of Earth's atmosphere
6. The curved path a planet or moon takes as it travels around a star or larger body in space
9. The tiniest building block of matter — everything you can touch is made up of billions of these
11. The center of a cell that contains DNA, or the center of an atom that holds protons and neutrons