Chris conducted an investigation to find whether the size of a rock affects the dimensions of the impact crater created. he found that the larger the rock that was dropped into the soft surface, the larger the formation created identify the following from the scenario
independent variable:
dependent variable: ​

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.

straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.

copper and glass have high electrical conductivity