Questions and answers from chapter 10, lessons one and two
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| how could snow disappear without making a puddle? | sublimation!
🗑
|
||||
| does a gas gain heat when it condenses? | no - condensation comes with cooling
🗑
|
||||
| what might happen if there were no spaces between sections of a sidewalk? | the sidewalk would break from thermal expansion and contraction
🗑
|
||||
| the temperature at which a substance melts is called its __________ | melting point
🗑
|
||||
| why wouldn't turning up the heat on the stove make boiling water cook things faster? | because liquid water can't get hotter than it is when it's boiling!
🗑
|
||||
| what kind of mixture is dusty air? | it's a suspension
🗑
|
||||
| what might happen if you mixed two suspensions? | you might get four layers!
🗑
|
||||
| how can you tell muddy water isn't a colloid? | because the dirt eventually settles to the bottom
🗑
|
||||
| why might fish not get enough oxygen in hot water? | because hot water can't hold as much dissolved oxygen as cold water
🗑
|
||||
| if two liquids boil at about the same temperature, would it be easy to separate them by distillation? | no, because it would be too easy to boil them both away at the same time!
🗑
|
||||
| a solution of metal is called an ___________ | alloy
🗑
|
||||
| a solution of sugar in water has a solubility limit. Do heterogenous mixtures have solubility limits? | nope- you can just make that mixture more chunky - like Ben & Jerry's Ice Cream!
🗑
|
||||
| How can matter change state? | by gaining or losing energy!
🗑
|
||||
| what happens to the temperature when matter is changing state? | the temperature stays the same
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
jewen
Popular Science sets