| Question | Answer |
| What is an elements? | simplest things, made of one type of atom
|
What is the Periodic Table? | where all the elements are listed
| What do we call a molecule where two atoms are chemically joined together? | diatomic molecule
| What are the alkali metals and where can they be found? | a family of very reactive metals, group 1 in the Periodic Table
| What are the halogens and where can they be found? | a family of very reactive non metals, group 7 in the Periodic Table
| What are the Noble Gases and where can they be found? | a family of gases which are very unreactive, group 8 in the Periodic Table
| What are the Transition metals and where can they be found? | a group of very useful metals in the middle of the Periodic table
| What are symbols? | a shorthand way of writing element names
| What is a Variable? | something that can change during an investigation
| Describe what is meant in science by a relationship | the link between two of more things
| Describe what is meant by a fair test | changing only one variable during an investigation so the results are reliable
| What you are trying to find out is called? | the aim
| In an investigation it is what you did | Method
| What are results in an investigation? | what happened, what you measured
| What is a conclusion in an investigation? | answer your aim
| What do we call the substance that dissolves? | Solute
| What is a solvent? | the substance that the solute dissolves (usually water)
| What is formed when a solute dissolves in a solvent? | Solution
| What is a saturated solution? | maximum solute dissolved at that temperature
| What do we call a substance that will dissolve? | Soluble
| What does insoluble mean? | a substance which will not dissolve
| The name given to a reaction which gives out energy (usually heat)? | Exothermic
| What is the definition of endothermic? | a reaction which takes in energy (usually heat)
| Name a sign that a chemical reaction has taken place | Change in energy
| Name a sign that a chemical reaction has taken place | Change in state
| Name a sign that a chemical reaction has taken place | Change in colour
| Give a definition of enthalpy | a measure of the change in energy during a reaction
| The substances at the start of a reaction are called the | Reactants
| The substances at the end of a reaction are called the | Products |
