Topic 1 : Intro to Matter Crossword Puzzle

3. Property A characteristic of matter that describes how it reacts with other substances to form new substances. Examples include flammability and reactivity.
8. A combination of two or more substances where each keeps its own properties. Examples include salad and air.
12. A mixture that looks the same throughout because its components are evenly distributed. Examples include sugar water and air.
14. A pure substance made of only one kind of atom. Examples include oxygen, gold, and carbon.
16. A process used to separate mixtures based on differences in boiling points. For example, distilling seawater can produce fresh water.

1. A mixture where the different parts are visible and not evenly mixed. Examples include a salad and a bowl of mixed nuts.
2. The smallest unit of an element that retains the properties of that element. Atoms are the building blocks of matter.
4. A substance made of two or more different elements that are chemically combined. Examples include water (H₂O) and table salt (NaCl).
5. A type of matter that has the same properties throughout. Examples include water, gold, and air.
6. The force of gravity pulling on an object's mass. Weight can change depending on where you are, like on the Moon versus Earth.
7. Anything that takes up space and has mass. Everything around us is made of matter.
9. A group of two or more atoms bonded together. Molecules can be made up of the same or different elements.
10. Property A characteristic of matter that can be observed or measured without changing what the matter is. Examples include color, size, and melting point.
11. The amount of space that an object or substance occupies, usually measured in liters or cubic centimeters.
13. The amount of mass per unit of volume. It tells you how compact a substance is. For example, lead is denser than feathers.
15. The amount of matter in an object or substance, usually measured in grams or kilograms.