Links to educational sites that you have examined and find valuable. Quality is key on the Internet where the signal to noise ratio is low. Contact information so that teachers can find you to ask questions or get additional information. Remember that teachers are adults. Often materials for elementary school teachers are presented as though the teachers are the age of their students.
Students Determine the target age level.
Materials that captivate elementary, middle school and high school students differ. Check out age-appropriate Web sites for ideas on layout and level of graphics. The more they get to know you, the easier it is for them to see themselves doing science. This often is not as overwhelming as it seems it is going to be. You can always try it and remove the link if it becomes too much.