A gem is a precious or semiprecious stone that has been cut, polished, engraved, or otherwise altered to be used as a personal insignia for making sealings or as decoration. Often imported from afar, ancient gems were truly exotic, and...

This resource provides information about light and shadows. In addition, there is a short quiz that can be taken.

Kids learn about the science of light. Energy made of waves and particles called photons traveling at the top speed in the universe. What is refraction? The difference between transparent, translucent, and opaque.

Learn about the properties of materials in their interactions with light, including whether they are opaque, transparent, or translucent, and which of these produce shadows.

In this activity, students examine various materials and investigate how they interact with light. Students use five new vocabulary words (translucent, transparent, opaque, reflection and refraction) to describe how light interacts with...

[Free Registration/Login Required] This unit introduces the relationship between light, an object and the formation of shadows.

[Free Registration/Login Required] This flipchart reviews the characteristics of light and its properties. Students are given examples of reflection, refraction, and lens types. An assessment component is included.

Students learn that fats found in the foods we eat are not all the same; they discover that physical properties of materials are related to their chemical structures. Provided with several samples of commonly used fats with different...

This lesson will explain why objects have different colors.

Students will identify objects as translucent, transparent, or opaque. Upon seeing the shadow of the opaque object, students will identify the geometric figure created by the shadow.This lesson plan was created as a result of the Girls...

Students will have an opportunity to explore the school during a hunt for 3 materials that allow different amounts of light to pass through. Included in this lesson are videos showing the lesson in progress, examples of students' work,...

This is the first instructional activity of this unit to introduce light. In this instructional activity, students learn the five words that describe how light interacts with objects: "transparent," "translucent," "opaque," "reflection"...

[Free Registration/Login Required] This flipchart introduces fifth graders to the science of light. Principles such as transparent, translucent, opaque, reflection, and refraction are covered. Concave and convex mirrors and lenses are...