In this history of cars worksheet, learners answer 20 multiple choice questions about cars of the past, the types of cars, the Clean Air Act, the number of cars on the road and the average fuel economy for new cars.

In this subatomic particle worksheet, students will read the important discoveries throughout history of the neutrino. Based on this information, students will complete 4 short answer questions.

This collection uses primary sources to explore twentieth-century mining in the Mojave Desert.