| Question | Answer |
| What is the difference between CO and Co? | CO is carbon and oxygen and Co is Colbolt
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How is an element related to a substance?2 | Elements put together make a substance2
| List to ways you would know if a chemical reaction happened?3 | explosion, color change, fizz3
| What is a chemical reaction?4 | When two or more substances are mixed together and form a new substance.4
| What is the difference between a chemical and physical change?5 | Chemical- different ending product5
| Give an example of a chemical change.6 | Many possible answers6
| What is an element?7 | A substance that can not be broken down any more.7
| Who discovered the periodic table?8 | Mendeleyev8
| What are the 3 ways a substance can be written?9 | chemical formula, name, and common name9
| What is the scientific method?10 | A step by step process scientist use to solve a problem10
| What unit do you use to measure length?11 | meters11
| Which elements are the most abundant?12 | H, C, O12
| How is the periodic table arranged?12 | Atomic Number, metals/nonmetals12
| Which elements are the most abundant in the ocean?13 | Hydrogen, Oxygen13
| How was Mendeleyev able to predict undiscovered elements?14 | Arranging cards and found gaps14
| What is mass?15 | A measure of matter15
| What is matter?16 | Anything that has mass and takes up space16
| What elements make up the gas Carbon Dioxide?17 | CO17
| What is a chemical formula?18 | A code that represents the number and kinds of elements in a substance.18
| What is density?19 | The ratio of mass and volume in matter19
| Which group on the periodic table stretch, bend, and conduct heat and electricity?20 | Metals20
| What two elements make up water?21 | Hydrogen and Oxygen21
| What element has the symbol Na?22 | Sodium22
| What elements are found in the universe?23 | All of them23
| What is a hypothesis?24 | An educated guess24 |
