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Properties of Matter
Science- Ch. 10
| Question | Answer |
|---|---|
| What is the measure of the amount of matter in an object called? | mass |
| A measure of how much space a sample of matter takes up is _______________. | volume |
| What is anything that has mass and takes up space called? | matter |
| What quanitity do scientists use to measure force? | newton |
| An object's weight depends on its _____________ in the universe. | location |
| What is the measure of how tightly something is packed? | density |
| An object's ability to float is _______________. | buoyancy |
| Air is much less dense than water, so a beach ball will _____________. | float |
| What are material that allow engergy to travel through them called? | conductors |
| A physical property that has both a north and south pole is called __________________. | magnetism |
| What are the basic building blocks of ALL matter? | elements |
| By what process can compounds be broken down? | chemical reaction |
| Any substance that is formed by the _____________ of 2 or more elements is called a compound. | chemical combination |
| Scientists write symbols for compounds called ______________. | chemical formulas |
| What is the smallest unit of an element that retains the porperties of an element? | atom |
| What is the tiny,very center dense body in the atom's center called? | nucleus |
| Particles that contain more than one atom joined together are called ___________. | molecules |
| What are the three states of matter? | solid, liquid, gas |
| What is the state of matter that keeps its shape? | solid |
| What is the state of matter that takes the shape of the container? | liquid |
| What are the three particles of an atom? | protons, neutrons, electrons |
| What charge does a proton have? | positive |
| What is the charge of a neutron? | no charge |
| What is the charge of a electron in an atom? | negative |