An independent variable is: A. Measured to show the effect of a change.
B. Changed to test a hypothesis.
C. Collected to draw conclusions.
D. Remain the same to make an experiment a fair test.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Is laundry detergent an acid or a base?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size