Students measure the properties of two different types of soap and wood and calculate their densities. Then they predict whether or not whether or not each object would float or sink in fresh or salt water.

Students create their own planet. They determine its diameter, density, composition, mass and orbit. Students create a list of elements necessary to sustain human life. They present their model to the class.

Students explain how zoo-plankton have an impact on the global process.  In this ocean zoo-plankton instructional activity students calculate carbon flux and plankton densities. 

Students explore Earth's biosphere. In this biosphere lesson, students participate in group activities regarding biotic and abiotic factors, population density, and species' habitats.

Students investigate cartograms in order to explore the different countries on Earth. In this world geography instructional activity, students use the Internet to analyze data on different cartograms. Students compare data, such as...

Students explore what the stoma does for a plant.  For this botany lesson students complete a stomatal peel experiment and measure its densities.

Students perform a series of tests on water-based paints. In this chemistry lesson plan, students identify their different functions. They calculate paint density and fractional concentrations.

In this New York University grade four science test, fourth graders complete 40 multiple-choice questions covering a wide range of grade four science concepts.

Bend it, but don't break it. Groups investigate the strength of different materials. Using a procedure in the seventh segment of a 22-part series on aviation, pupils determine how far a rod will bend. They determine the strength-to-mass...

A well-developed lab sheet guides physical science learners through an investigation of kinetic and potential energy. In small groups, collaborators discover whether or not the ramp height or mass of an object has an effect on the...

A neat handout immerses learners in the history of canoe making. After reading, small groups of mini engineers work to craft a canoe that will not be immersed! This is an ideal exercise in engineering design for your STEM curriculum or...

Love is in the air? Wrong — nitrogen, oxygen, and carbon dioxide are in the air. The final lesson in the series of five covers the impact of temperature on gases. Scholars view a demonstration of gas as a type of matter before performing...

Ready to roll up those sleeves and get your hands dirty? Dirty with soil science content, that is! Overcome those "But it's just dirt" objections with a trip outside to collect soil samples for some in-class analysis. Use the...

How do robots assist ocean explorers in collecting data and images? The final installment in a five-part series has science scholars examine underwater images collected by robots and identify the organisms shown. Groups then calculate...

Who pilfered the pin? Scholars practice measurement skills as they solve the mystery of a stolen pin. They measure length, temperature, and mass and determine which of select suspects committed the crime. During the STEM hands-on...

The moon is famous for its craters, but they haven't always been there. Young learners experiment with materials to simulate the creation of moon craters. Pupils are able to see patterns in their materials that are similar to the...

Students conduct an experiment that shows them how salt water allows things to float. For this salt water lesson plan, students mix ingredients together to create salt water and observe how it makes the oceans dense. They then interpret...

Students discuss radiant energy from the sun, performing a simple experiment with sun glasses and bright light to demonstrate the concept. Students further participate in simple in-class experiments to demonstrate: air density as it...

Students, in groups, stake out and rope off their study area, do population counts and density studies. They construct a map of the whole area, collect plants and insects, and mount and identify the organisms using keys.

Students examine problem of litter and marine debris on the Chesapeake Bay, and experiment with density of marine debris.

Students investigate a map of 1873 that shows forest cover in the United States.They learn the concept of density and to illustrate landscapes in the United States.

Students work in small groups to identify some of the major transportation centers, recommending two as possible sites for a national political convention, based on population density and the travel networks available in 1835.

Students complete a unit on the effects of pollution on our water supply. They create a graph to examine the density of earth's land surface, round the population to the nearest hundred million place, participate in a...

Students observe, record, and report weather conditions to learn how air mass densities determine the weather we experience daily. They demonstrate how clouds form, name clouds and predict the weather.