Hello Social Science teachers! If you want to start a new space unit or project with your students, these flashcards can be very useful to work on previous knowledge and see where they are at or what knowledge they have.Let's remember that there are eight planets that are part of the Solar System and they are the following: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.The following information about each of the planets is entered in these visual cards:Size in kilometers.Numbe