Change the density of water by adding minerals. The presentation discusses density—from the definition to calculations—and applies it to the real world. It briefly mentions specific gravity, and finishes by showing Archimedes'...

Why do you weigh more in space? Each individual in your class explores this question and others as they determine the mass and weight of different objects using two types of scales. They perform conversions and discuss their...

Cubic crystals can have 6, 8, and even 12 sides. Here is a presentation that shows pupils three different kinds of cubic crystalline structures: cubic, body-centered, and face-centered. These structures are then applied to three...

Eighth graders experiment what happens when acids and bases are mixed together. In this acids and bases experimental lesson plan, 8th graders decide which of three solutions of unknown pH will neutralize a fourth solution of unknown pH....

Eighth graders explain how oxygen reacts to other elements. They also explain why oxygen is a reactive substance, how it has weight, and how it reacts with other substances. They construct an experiment to relate their findings.

Students study the historical figures and symbols of U.S. patriotism depicted on the penny, nickel, dime, and quarter coins. They explore the processes involved in making coins, and how metals canchange in consistency from the...

Students examine how some natural substances are polymers.  In this polymer lesson students complete a lab and give examples of a physical change. 

Ninth graders describe that matter is made of minute particles called atoms, explain structure and properties of atoms, classify chemicals, locate chemicals on the periodic table, and play Jeopardy.

In this online interactive anatomy crossword puzzle worksheet, students use the 8 clues to find the appropriate answers to complete the word puzzle.

How can we find volume if it a shape isn't easy to measure? Investigate methods for determining this as the volume of regular and irregular objects is explored in several stations. Learners discover that when the standard formula for...

In this deducing density worksheet, students follow the procedures to set up an experiment about objects floating in water and liquids of different densities, answer questions, collect data and complete charts.

Young scholars find the density of diet soda and regular soda. In this density lesson plan, students measure the mass of a graduated cylinder with 10 different volumes of each soda. They find the mass of the liquid alone and use the...

In this coal formation worksheet, students read and informational sheet about coal formation. Students are given 5 short-answer questions regarding what they've read.

High schoolers will identify the factors that contribute to erosion and weathering. They will start by differentiating between chemical and mechanical weathering. They then apply what they learned by playing the online jeopardy game. Key...

Here is an excellent lesson on rocks! In it, learners explore the world of rocks through the use of video, hands-on activities, and cooperative projects. This outstanding plan is chock full of terrific activities, websites, streamed...

Biotechnology pros produce their own biofuel using waste oil and fresh vegetable oil. They test the quality of their product using titration techniques and pH analysis. They write their observations and report their findings. Be aware...

Clean up the environment with a lesson that focuses on replacing hazardous cleaning supplies with green, environmentally-friendly products. Using a dirty patch of surface as a control area, kids clean other parts of various surfaces...

The Crusades sounds like a glamorous time period in the Middle Ages full of glory—but was it? Scholars find and review the truth of the Crusades' influence on the world through the resource. The study guides, separated individually by...

An outstanding lesson on triangles awaits your math scholars. Learners focus on the triangle, which is the strongest of all polygons. They see the role that triangles play in the design of buildings, and learn about triangle...

A fantastic lesson on survival in outer space should excite your learners! Pupils explore the challenges that living, working, and surviving in space elicit. They focus on the spacesuit itself; how it protects astronauts, and enables...

An online reading and interactive game bring the path of a carbon molecule to life for your earth science explorers! As an assessment, learners can map out or write about their experience in the carbon cycle. Thoroughly written...

Firts graders distinguish between sedimentary, igneous, and metamorphic rocks. They group the rocks into the appropriate group. This is one of the best-organized plans I've seen! Learners watch a PowerPoint presentation which is embedded...

Through the use of Internet, video, and hands-on activities, youngsters learn the parts and characteristics of a circle. This fantastic lesson has some excellent website activities included in the plan. Your kids will have a much greater...

If you are looking for an outstanding lesson on the Moon for your budding astronomers, look no further! This outstanding plan is full of wonderful, meaningful activities for your charges to engage in. Pupils will discover why there are...