Invent a game that illustrates radioactive decay.

What are the risks and benefits of becoming an entrepreneur as opposed to working for others?

Make a poster explaining one of the early models of the atom. Present this to your class.

Describe how was able to show Thomson that cathode rays were streams of particles, not light.

An experiment resulted in the release of a beta particle and an isotope of curium. What element was present at the beginning of this experiment?

Describe the discovery of cathode rays.

Given that the mass number of an isotope of mercury is 201, how many protons does it contain? Neutrons?

Make a concept map of the development of the theory of the atom.

Describe Dalton’s ideas about the composition of matter, including the relationship between atoms and elements.

If radium- 226 releases an alpha particle, what is the mass number of the isotope formed?

Each phrase below describes a science term from the list. Write the term that matches the phrase describing it.

A substance made up of only one type of atom.

Determine the number of electrons in a neutral atom with 49 protons.

Explain how the half-life of C-14 is used to date American Indian, Greek, and Roman artifacts, but cannot be used to date fossil remains from the Cretaceous Period.

Compare and Contrast Dalton's model of the atom to today's model of the atom.