MERLOT Materials

In this demonstration, the process of cooling by evaporation is related to the serious health risk of hypothermia.... see more

In this demonstration, a flashlight, mirror, water and a plastic shoebox are used to refract light into its component... see more

In this demonstration of the properties of light, two small mirrors and a dime are used to show students understand how... see more

The force of gravity is the focus of this demonstration using a ruler, string and a paper clip. Students observe that the... see more

In this demonstration, liquids of different density are mixed to demonstrate how the layers of the Earth were formed as... see more

This demonstration allows students to visualize how heat moves through convection - using water, food coloring, a small... see more

This classroom demonstration employs a jar, milk and a flashlight as a model system to demonstrate that light maintains... see more

In this demonstration, students learn how fiber optics work by observing a model using gelatin and observing how the... see more

This activity is a guided exploration of how static electricity works and how it relates to lightning.

This is an animated interactive simulation that illustrates differential solar heating on a surface in full sunlight... see more

This animation demonstrates the changing declination of the sun with a time-lapse animation. It shows how the shadow of a... see more

An interactive that illustrates the relationships between the axial tilt of the Earth, latitude, and temperature. Several... see more

An interactive visualization tool to examine geocentric seasonal and latitudinal variability in solar energy reaching... see more

This is a lesson about locating impact craters on Earth using longitude, latitude, and maps. Learners will observe impact... see more

This is a lesson about observing and examining meteorites in a Meteorite Sample Disc. Learners will practice scientific... see more

This is an activity about collecting, describing and classifying terrestrial and lunar rocks. Learners will collect and... see more

Teachers can use this animation to continue a study of clouds. In addition to asking students to construct their own... see more

In this activity, learners use a simple 3D model to discover why the Moon has phases. This activity is a very rewarding... see more

This fun and simple hands-on astronomy activity lets learners create 3D models of the Earth, Moon and Sun to demonstrate... see more

This demonstration activity models how Venus appears from Earth. This activity will help learners see why Venus appears... see more

In this activity (on pages 12-15), learners make a crater model and test the effects of weather (rain) on its surface.... see more

This is an activity about the shape of the Earth�s orbit. Learners will first use elements of the orbit of Earth and... see more

Activity in which students investigate what causes the seasons by doing a series of kinesthetic modeling activities and... see more

This is a lesson about the nature of a scientific question. Learners will construct a valid scientific question that can... see more