We don't think of liquids as floating typically, but a quick look at any oil spill tells a different story. Lesson explores various densities of liquids and why this fact is important. After observing the density variation, scholars...

A wonderful instructional activity on identifying the penny, nickel, dime, and quarter awaits your young mathematicians. They engage in a multi-session instructional activity which allows them to practice using the values of each coin in...

Steal cubes sink, but steal ships float. Lesson explores the density of solids as well as the density of water in determining what will sink and what will float. A hands-on group activity helps pupils see that weight and volume are...

Your older elementary students investigate electromagnetic energy and the electromagnetic spectrum. They will observe 7 items represented in the electromagnetic spectrum and make a poster of all the things the items have in common. After...

Students use real satellite data to determine the changes in near-surface air temperature at different times of the year over the Caribbean Sea. They discover how Earth's tilt causes seasonal differences in incoming solar energy. They...

How is telling time in Spanish different from telling time in English? This reference guide doesn't provide any practice opportunities, but it has clear, bulleted information, and several examples are provided. Reinforce the information...

Use this resource to quiz your language learners on telling time. Two exercises are provided; the first one asks quiz takers to use the digital time to write out the time in Spanish. The second exercise is the exact opposite: learners...

Teacher's notes, a materials list, detailed procedure, tips, and extension ideas are all included to make teaching this lesson on photovoltaic cells a sunny spot in your day! After some brief background reading, physical science...

Students discover the properties of light (radiant) energy from the sun by experimenting with solar collectors, cookers, and calculators. After a lecture/demo, students create their own solar collectors and test their efficiency.

Young archaeologists study the development of human history, and work in groups to create a timeline that traces the development of humans. Additionally, the groups utilize a very clever graphic organizer embedded in the plan in order to...