| Term | Definition |
|---|---|
| Volcano – | a place on Earth from which melted rock, ash, gases, and other material can escape from beneath Earth’s surface. |
| Rock – | a naturally formed, non-living solid mass composed of grains of Earth material. |
| Magma – | melted rock found beneath Earth’s surface. |
| Lava – | melted rock that has reached the surface of the Earth. |
| Vent – | an opening on Earth’s surface that allows lava, ash, gases, or other volcanic material to escape. |
|
Model – |
a representation of something in the world. |
| Simulate – | use a model to imitate or act out real-life situations. |
| Bar graph – | type of graph that uses either vertical (up and down) bars or horizontal (across) bars to show data. Data can be in words or numbers. |
|
Repeatable – |
when someone follows the reported procedure, they get similar results. |
| Replicate – | to run a procedure again and get the same results. |
| Soil – | the loose top layer of Earth’s surface, able to support life, consisting of rock and mineral particles mixed with organic matter, air and soil. |
| Standardized – | the same. |
| Range – | the zone between the largest and smallest results. |
| Variation – | a spread of data. |
| Viscous – | having a sticky, think, or gluey consistency; not free flowing. |
| Trial – | One time through a procedure |
| Precision – | How close together the measured values are |
