what are the things forces can do

what is a force

what is a contact force

what is a non contact force

what are the properties of water

what is a souluble

what is a solute

what is a solvent

what is a soloution

what is a compound

what is a mixture

what is an element

what is density

what is the law of static electricity

what is friction

how do objects become charged

what is gravity

what is a magnetic field

What is the difference between mass and weight?

what are the two types of weathering

what are the four spheres in our atmosphere

what is distilation

what are the five cell kingdoms

what is science

what are some features of a plant cell

what are some features of animal cells

what is the diffidence between theory and law?

what are some signs that a chemical reaction has taken place?

what is it called when cells take in and put out substances?

what was Aristotle's theory on matter and why was it rejected?

what is a parallax error

what are the 7 branches of science

who invented the microscope and discovered cells