Do you know why it's called a watt? an ohm? a volt? Your students will know after this thorough history. From amber and fur (600 B.C.) to jumping frogs (1786) to electrical resistance (1827), this unit is a fantastic introduction to the history of electricity.
Two fact-filled and easy-to-understand reading comprehensions, explaining and defining light. Our light units are available at four different levels, with increasingly advanced vocabulary and concepts.
Darken the circle under the correct letter. (upper-case letters). Formatted like a standardized test, this 5 page document tests knowledge of the alphabet. This is approximately the skill tested in first grade, although state standards vary widely.