Which of the following is not a way in which thermal energy is transferred?

A:Conduction
B:Convection
C:Radiation
D:Sublimation

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold

The lab procedure involves several factors, listed below some were variable and some were constant. label each factor below v for variable ot c for constant