This "rock solid" unit explains the different hardnesses of rocks, the origins of different kinds of rocks, and their classifications. Best of all, it includes several great experiments that are sure to involve and enlighten.
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.
Look at the sets of guide words. Write the word from the word box on the line next to the guide word set that tells you which page the word will be on. This worksheet features words that start with the letter R.
This 1 page non-fiction reading selection explains the vernal equinox. This lesson is appropriate for both hemispheres. It is followed by 4 multiple choice questions and 5 questions that require brief written responses.
This reading comprehension explains the whys and whens of the autumnal equinox. This lesson is appropriate for both hemispheres. It is followed by 4 multiple choice questions, 1 short response and 4 short essay questions.
This reading comprehension explains some concepts from physics and then looks at them in terms of a popular sport. ("What is acting on a soccer ball when it stays in one place until a player moves it?")
Reading comprehensions on the sun, incandescent light, light bulbs, electroluminescence, fluorescence, phosphorescence, bioluminescence, LEDs and LCDs... every type of light. A thoroughly informative unit!