Learners predict when an object will float or sink based on comparison of density of the object to the density of the substance in which it is placed. The access a website and sketch the object in the first column of their table and then...

Explore environmental care by conducting a pollution experiment. You'll discuss the causes of pollution in our environment and what the overall impact will be if we can't change our ways. Clear plastic tape, a can, and compass are used...

Amateurs of alternative energy build a mini parabolic-trough solar energy collector and use it to heat water. Temperature is recorded over a three-minute period and the data is graphed and analyzed. Note that in order to paint aquarium...

In this conversion factors worksheet, high schoolers convert 15 measurements from one unit in the SI system of measurement to another unit. Students show their work and indicate the unit of measurement. Conversion factors are given.

In this substitution and elimination reactions worksheet, students complete 11 reactions by writing the structural formulas for the products. If no reaction occurs, they write N.R. They also write structures of the products for 3...

Students measure the direction of the wind. In this Science lesson, students make their own wind vane. Students discuss the importance of wind direction and speed.

How are chemical bonds similar and how are they different? Provide your young chemists with the resources to more thoroughly understand the concepts of ionic and covalent bonds. Pupils research these topics, diagram examples of each...

What constitutes a good soap bubble? In the second installment of a nine-part series, scholars apply their understanding of surface tension to soap bubbles. They experiment to determine the best solutions to use for the...

Aqua regia, or royal water in Latin, is a solvent that can dissolve solid gold and platinum into a solution. Activity nine in a series of 36 allows classes to learn, through readings and answering questions, what a solution is and the...

Young mathematicians extend their knowledge of rational numbers on a number line to graph inequalities by first using number cards to compare rational numbers. They finish by using similar reasoning to graph inequalities on a number line.

Tiny particles can provide big learning opportunities! Middle school scientists explore the world of nanoparticles through reading, discussion, and experiment. Collaborative groups first apply nanotechnology to determine water...

Using 2-liter bottles, junior ecologists create composting tubes in which they place nitrogen-rich and carbon-rich materials. They observe what changes occur over two weeks' time. Provide more specific direction to your class as to what...

Upper graders practice their estimation skills by observing different objects then making their best guess without using measuring instruments. Students are asked to estimate mass, length, volume, and area.

By focusing on "Candium", pupils can work through this guide to learn more about different isotopes.  The teacher will supply M&M's, Skittles and Reeses Pieces to provide data about mass and abundance.

Second graders investigate the process that creates wind. In this wind lesson, 2nd graders create a wind diagram. Students write an essay to accompany their diagram.

In this chemistry review worksheet, students answer a variety of questions about matter, elements, the kinetic theory, chemical and physical properties and the distillation process. They complete a concept map about matter.

Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...

In this chemical reaction worksheet, students investigate the reaction that makes curds and whey. They mix milk and vinegar and run it through cheesecloth to collect the solid. Students make observations, read about curds and whey, and...

Students explore the concept of making ice cream. In this ice cream lesson, students convert an ice cream recipe from metric units to English units. Students then make ice cream from the recipe they converted.

In this chemistry instructional activity, students answer 15 short answer questions about rocks and ores. They explore write balanced chemical reactions from word equations given.

In this scientific methods worksheet, students identify the control group, independent variables, and dependent variables in 4 different experiment descriptions.

Third graders understand the economics of choices in buying. In this goods and services lesson, 3rd graders participate in activities to make choices about purchases. Students write stories, answer questions, and complete worksheets to...

Students explore concrete. In this physical science and computer research lesson, students work in groups to answer specific  questions about concrete. Each group of students completes a different worksheet with a specific subtopic....

Students examine the organic and inorganic components of soil. In this environmental science lesson, students identify the factors that influence soil formation. They collect soil samples, conduct tests, and analyze the results.