What type of change occurs when water changes from a solid to a liquid? A. a phase change B. a physical change C. an irreversible change D. both a and b

Which is an example of an organism? soil, iceberg, mold or molehill

How is density of a substance related to its mass and volume?

The prefix milli - means 103 10-2 10-3 102

Name two states where only minor damage as a result of earthquake activity is expected

Which type of heat transfer involve heat flow from hot object to colder object A. convection, but not conduction and radiation B. convection and radiation, but not conduction, convection and conduction, but not radiation D. all of three

Titration experiments require the use of a ... Watch glass Burette Crucible Bunsen burner

Hat is the ultimate source of energy for the Earth? a. photosynthesis b. respiration c. the sun d. nutrient cycles

If an object sinks in water it's density is less than that of water true or false

How many moles are in 24 grams of FeF3

Does decreasing the number of moles of gas decrease temperature