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Instructional Strategies:
Hands-on learning  
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Learning Time:
45 to 60 minutes  
Resource Type:
Activity  
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Explore the size relationship between the sun and Earth by using tape and stickers. Learners estimate, then place and count the number of one-inch diameter stickers (representing Earths) that would fit across the diameter of a nine-foot circle of... (View More)

Students "observe" an imaginary new planet in our galaxy from the relative distances of a ground-based telescope, the Hubble Telescope, and a fly-by mission. After recording their observations and discussing the differences, they compare their... (View More)

Using different perspectives- the unaided eye, a magnifying lens, and a satellite- provides different information. Children make observations of common objects- along with images of butterflies, the Mississippi River, a fire in the Colorado Black... (View More)

An introduction to the Landsat satellite is presented through a poster with accompanying images, information and classroom lesson. The poster displays 10 pairs of international Landsat images highlighting changes over time from both natural and... (View More)

Audience: Middle school
Materials Cost: Free

Students are introduced to the purposes, benefits and challenges of citizen science projects. Examples of historical and current projects are presented, and evidence is provided showing why human scientific analysis is sometimes better than computer... (View More)

This activity focuses on how the search for life on Mars is portrayed in fiction and videos. Learners will consider depictions of Mars from science fiction books and video clips. As a group, children discuss what they know about Mars and compare... (View More)

Audience: Informal education

This is a set of three activities about how scientists study other worlds. Learners will explore and compare the features of Mars and Earth, discuss what the features suggest about the history of Mars, and create a model to help them understand how... (View More)

Audience: Informal education

Students examine a text discussing climate change and identify tools of argumentation: evidence, qualifiers, claims and support. A student worksheet supports the activity. This resource is supported by Chapter 7, What is the Controversy About?, in... (View More)

Colored beads and string are used to create a model of the solar system in order to explore size and distance relationships among planets. A second model for comparing planetary sizes uses common types of fruits and seeds(either actual fruits or the... (View More)

Learners will build an open spectrograph to calculate the angle the light is transmitted through a holographic diffraction grating. After finding the desired angles, the students will design their own spectrograph using the information learned. The... (View More)

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