Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
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
List 15
8th grade Science
| Question | Answer |
|---|---|
| Scientific model | an ideal that allows us to create explanations of how something may work. They can be actual physical models or mental models. |
| Slinky spring | tool used to model waves |
| Average speed | total distance divided by total time taken (v=d/t) |
| Adaptation | a trait or behavior that helps an organism (living thing) survive and reproduce. |
| Variations | how organisms of similar species differ from each other in their traits |
| Natural selection | process that explains adaptation and survival. It shows how species can change over time in order to survive. |
| Petrified fossil | fossil that forms when minerals soak into the buried remains of an organism, the minerals replace the remains and change them into rock. |
| Preserved fossil | fossil that forms when organisms, or parts of organisms are prevented from decaying by being trapped in rock, ice, tar or amber. |
| Geologic features | features on the Earth such as mountains, rivers, tributary, lakes, farmland, forests, etc. |
| Contour lines – lines on a map that indicate geologic features on a map. |
Created by:
asarvis
Popular Science sets