An unknown material has a mass of 3.5 g and a volume of 5.5 cm3 What is the density of the material? Round to the nearest tenth.

If a balloon is taken outside on a very cold day, what will occur?

Matter that emits no light at any wavelength is called

Boiling water in a pan is a good example of convection a.the warm water rises and the cooler water sinks. b.the water is touching the bottom of the pan, but not the heat source. c.boiling water can cook hard boiled eggs. d.boiling water is an example of radiation and not convection.