| A | B |
|---|
| In order to be considered living, something must exhibit all _____________ of life. | Characteristics |
| When you are cold you will shiver. This is helping to maintain _____________. | Homeostasis |
| When an organism is able to change so that it can morre easily survive it has ____________. | Adaptation |
| All living thins are made up of __________. | Cells |
| Anything tha has mass and takes up space is known as ___________. | Matter |
| Matter that cannot be broken down into simpler substance is an __________. | Element |
| __________ are the smallest part of an element. | Atoms |
| Carbon, Nitrogen, Oxygen, Hydrogen | Make up 96% of living thins. |
| 4% of living thins are made up of __________. | Trace elements |
| Protons have _________ charge. | Positive |
| Electrons have ________ charge. | Negative |
| The maximum number of electrons in the third energy level of an atom. | 18 |
| The maximum number of electrons in the second energy level of an atom | 8 |
| Atoms of the same element with different numbers of neutrons in the nucleus as compared to proteins. | Isotope |
| Two or more elements join together to form a brand new substance is a _____________. | Compound |
| The smallest amount of a substance you can have and still have water is a ________________. | Molecule |
| Water has a positive and negative charge on each pole therefore water is a ___________ molecule. | Polar |
| Salt would be a ___________ and water would be a solvent. | Solute |
| An ionic bond occurs when an atom gains or loses electrons and has an electrical charge. | Ionic bond |
| ____________ bonds is when two atoms share electrons. | Covalent |
