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Topics/Subjects:
The nature of science  
Instructional Strategies:
Guided inquiry  
Educational Level:
Middle school  
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Now showing results 21-30 of 55

This is a unit in 11 sessions about the solar system. Learners will explore the terms planet and moon, they will sort and classify various solar system bodies into categories, and use this context to discuss if Pluto is a planet. They will also... (View More)

Audience: Middle school

This is a unit in 7-8 sessions about objects outside of our solar system, including galaxies and the universe. Learners will investigate the contents of the universe, why light years are used to measure distances in space, the lifespan of a star,... (View More)

Audience: Middle school

In this activity, students will research weather proverbs, analyze the scientific validity of three weather proverbs and present their reasoning in an essay. As an extension, students may survey 15 senior citizens to determine most frequently heard... (View More)

Audience: Middle school
Materials Cost: Free

This activity is designed to introduce students to planetary geologic features and processes. First, students will use NASA satellite images to identify geologic surface features on the "Blue Marble" (Earth), and will explore the connection between... (View More)

Learners will investigate the reason for seasons on Earth. They will look at the circular orbit of Earth, year-long temperature and daylight hours across different latitudes, compare models of the Earth with and without tilt, investigate angle and... (View More)

Audience: Middle school

Learners will construct a model to show the relative size and scale of the Sun-Earth system, investigate the visible and electromagnetic spectrums, discuss solar flares and solar weather, develop a UV shield, and discuss the results of their... (View More)

Audience: Middle school

This activity has two purposes: challenge the learner to develop a procedure for investigating a research question and to learn more about factors affecting the dynamics of air in motion. It demonstrates that warm air and cold air differ in weight... (View More)

The purpose of this investigation is to understand the change that takes place when water condenses from a gas to a liquid, and how a change in pressure affects this transformation. Materials needed for the experiment include a large (2L) soda... (View More)

This experimental activity is designed to develop an understanding that air has mass. Students conduct an investigation and observe the change in the position of a bar balancing a balloon inflated with air on one end and a uninflated balloon on the... (View More)

In this activity, students monitor the change that takes place when water vapor condenses from a gas to a liquid and see how a change in temperature affects this transformation. Materials needed to conduct the investigation include two thermometers,... (View More)