After reviewing food chains, your class members participate in an arctic predator-prey game that exemplifies the impact of climate change of food availability. If you are in a hurry, skip this lesson, but if you have the time to...

Young geologists get a glimpse beneath the earth's surface in this plate tectonics investigation. After first learning about the different layers of the earth and the constant movement of its plates, young...

There's no need to stay inside; get out of the classroom and create a scaled map of the solar system on your playground field! In collaborative groups, scholars identify the distance between the sun and other planets, place planet...

Why do scientists use models? In the first installment of 22, groups create scale models of our solar system. They then share and discuss their models.

Putty is proof that learning can be fun! Share the wonderful world of polymers with your class through an experiment. Young scientists create their own silly putty, then examine its properties.

How are chemical reactions affected by gravity? Learners explore the phenomenon of effervescence as part of the Christa's Lost Lessons series. They compare findings in an experiment on effervescence to a video of a similar experiment in...

Young meteorologists explore different aspects of the weather while learning about measurement devices. They build instruments and then set up a weather station outside and measure temperature, humidity, air pressure, wind speed, and...

Larvae transportation on the New England seamounts is based on the density of the water. Scholars calculate density and graph salinity versus temperature to better understand the distribution of organisms in a water column....

Discover Impressionist painting as students investigate the 19th century combinations of colors characteristically used. Students experiment with their own paintings, utilizing primary and secondary colors.

Dracula isn't the only one who needs blood to survive. The eight-part unit includes seven lessons, five demonstrations, seven labs, and a project to organize a blood drive. Class members learn about the parts of...

Galileo first observed Saturn's rings in 1610. Through the use of a flashlight and baby powder, classes see how they can observe the rings of the outer planets from far away. Another demonstration shows how these rings, made of ice and...

You can lower your ecological footprint by recycling! Lesson four in this series of five has individuals, through the use of a computer, calculate their ecological footprints. Through discussions and analysis they determine how many...

Turning white light into colors only takes a little scientific know how! Young scholars create their own spectroscope in a hands-on activity exploring the properties of light. Using a diffraction grating, they discover how white light...

Investigate the length of various objects in metrics! In this measurement lesson, 2nd graders estimate and find the length of objects in the classroom using centimeters.

Through a hands-on activity, an acetone-spinach solution is pre-made and learners use this solution to separate the pigments found in spinach using chromatography. The comprehensive resource includes an analysis and conclusion...

Will it sink or will it float? Learners predict the outcome as they drop random objects into a container of water. Then, they keep track of the results and record the data in a t-chart to draw a final conclusion.

Purifying air and water, providing soil in which to grow crops, and moving water through its natural cycle are all services an ecosystem provides that benefit humans. Lesson four in a series lets learners explore and discuss the value of...

Photosynthesis requires energy and produces food, and cellular respiration produces energy and requires food. An interesting lesson analyzes the factors that affect the rates of photosynthesis and respiration. Classes spend one day...

Scholars must react to the ecosystems of a river. They use inquiry-based learning along with maps and visuals to better understand the impact of rivers on everyday life. To finish, they create final written projects and presentations. 

Different medications leave the body at different rates, and how people take them determines their effectiveness. Learners investigate this effectiveness by charting the concentration of a given medication in the body. Using exponential...

What do lab tests reveal about a patient's health? Scholars perform a simulated urinalysis on two different patients by testing color, pH, glucose levels, and protein levels. Then, they compare their findings to what they know passes...

How do people determine if something is acidic or basic? Learners make their own acid-base indicators using red cabbage and then determine the acidity and alkalinity of different substances. First, they test substances of known pH and...

Just how powerful is erosion? Interested scientists learn how to identify the results of erosion with a series of lab activities. They move through stations to experiment with different types of erosion and then design and complete their...

How do temperature changes affect ocean currents? Scholars explore convection currents by demonstrating the flow of water in a baking dish. They use ice, heat, and food coloring to see currents. Then, they draw conclusions about their...