| Question | Answer |
|---|---|
| chemical | an element or compound by elements |
| root | part of a plant that grows underground |
| classify | sort things by category |
| result | effect |
| expand | to get larger |
| physical | related to the body |
| ecology | relationships between living things and their environment |
| erode | to wear away |
| origin | how something came into being |
| possible | something might happen |
| conclude | to decide after thinking about something |
| deposition | the dropping of settling of eroded materials |
| crust | outmost layer of the earth |
| vary | to differ |
| method | a way of doing something |
| prove | to show that something is so |
| investigate | look for something |
| proceed | to go ahead |
| data | includes facts, figures, and other information |
| observe | to study something |
| erosion | removal and transportation of weathered materials |
| earthquake | vibration in earth's crust caused by release of energy in a fault |
| epicenter | point on earth's surface directly above the focus of an earthquake |
| core | the center of something |
