The first golf balls were made of wood and would only last for a few games. Modern golf balls last a lot longer but they don't float. The presentation provides the directions for a lab to determine the minimum amount of salt needed to...

Seventh graders observe and test for the presence of carbon dioxide gas. They compare concentrations of carbon dioxide gas and conclude high concentrations of carbon dioxide gas are unhealthy for human beings.

Seventh graders work in teams to research the reasons for the fall of Rome and come to a conclusion of why it did.

Students identify racial stereotypes in advertisements from the past and survey their sources and implications. They compare advertisements from the past with those of today using similar approaches and create an original advertisement...

In this sentence completion worksheet, pupils choose the best word(s) to complete each sentence from five possible answer choices.

In this online interactive grammar skills worksheet, students examine 10 sentences that are missing words and select the appropriate words to complete each of the sentences and match them to the sentences. Student answers are...