2. what is an investigation? what is a demonstration? how are the different?

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.

What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?