Brainstorm: I need a science project for 7th grade. No links, please nothing that costs too much (in theory, I don’t need a whole essay. Just an idea.) this is for science as a whole, but that isn’t a category so I just chose chemistry.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *