Here is an introduction worksheet to Fusion and Fission video from Teacher's Pet (video link is embedded at the top of the worksheet). There are sixteen questions that go along with the video. There are two HOT questions short answer response that students can use their just learned material about the topic.
This worksheet can be used in class, at home, or for review. Great for middle schools students who are being introduced to this topic. Good review for high school students who need to have a quick review.