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.
This unit is a full series of reading comprehensions presenting a thorough view of cell phones in terms of history (when was it invented) techonology (how does it work), society (what are appropriate cell phone manners), and more.
This reading comprehension explains the importance of classification in science and daily life. It tells the difficulties scientists had in determining Pluto's planetary status and briefly presents the new classification of planets.
A 1 page science fiction story about a boy's science project that saves the world. It is followed by 6 multiple choice questions and 4 questions requiring short written responses. This reading comprehension works alone or with Level 2, Unit 2 spelling.