Question | Answer |
Which unit is used to measure weight? | newtons or pounds |
What is used to measure mass? | grams or kilograms |
What unit is used to measure volume? | mL or cm3 |
What is the formula for density? | mass divided by volume |
What property depends on shape, volume, or mass? | buoyancy |
What state of matter has a definite shape? | solid |
Which states of matter have a definite volume? | liquids and solids |
How strongly gravity pulls on an objects mass is _________. | weight |
What does it mean to say that an element is more "reactive"? | it is likely to combine with lots of elements |
If an object displaces 20 mL of water, what is that object's volume? | 20 mL |
Which state of matter has molecules that move the fastest? | gas |
Which state of matter has molecules that move the slowest? | solids |
What shape are liquid molecules? | The shape of the container they're in. |
What shape are gas molecules? | The shape of the container they're in. |
What shape are solid molecules? | Trick question! They can make all the shapes! |
How many electrons in a carbon atom? | 6 |
How many protons in an oxygen atom? | 8 |
How many neutrons in a calcium atom? | 20 |
What are the four properties of metals? | Luster, malleability, ductility, and conductivity |
Where are the metals on the periodic table? | On the left and in the middle. |
Where are the nonmetals on the periodic table? | On the right. |
Where are the metalloids on the periodic table? | Between the metals and the nonmetals. |
Which elements on the periodic table are the most similar? | The ones in the same column. |
Where are the noble gases on the periodic table? | In the far right column |
Why are the noble gases called noble? | Because they don't mix with the other elements - like kings and queens don't hang out with commoners! |
What do you do if you don't know the answer to a question? | Mark it! Skip it! Come back to it later! |
What can you do if you don't know the answers to the questions at the very end of the test? | Look for clues in other questions. Guess. Draw yourself a picture to help figure it out. Don't worry! It's just a test! |
What's the most important thing you can study late at night before the test? | Your pillow! Sleep is just as important as studying! |