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Physical sciences  
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This is an activity about the states of matter. Learners will participate in a demonstration to reintroduce them to three states of matter: solid, liquid, and gas. The demonstration also introduces them to a fourth state of matter, plasma, through... (View More)

Audience: Informal education
Materials Cost: Over $20

Students will play a card game similar to "go fish" in which they match multi-wavelength images of different supernova remnants.

Audience: Middle school

Students investigate magnetic fields in two and three dimensions, and compare the magnetic field of a pulsar to that of the Earth and other astronomical objects. This is Activity 3 of the Supernova Educator Guide developed by the XMM-Newton and... (View More)

Audience: High school
Materials Cost: $1 - $5 per group of students

This lesson investigates seasonal changes in Earth's land and water temperatures by examining satellite data. Students will compare and analyze temperature changes of both water and land over a one-year period. This lesson uses student- and citizen... (View More)

Audience: Middle school, High school
Materials Cost: Free

This lesson examines the effects of surface energy transfer and storage on ocean temperatures. Included are activities that introduce the use of scientific models. Students then use an energy flow computer model to track energy changes by... (View More)

Keywords: Energy flux
Audience: High school
Materials Cost: Free

This is a hands-on lab activity about seawater density. After developing a hypothesis, learners will conduct a simple investigation of density. They will discuss changes in density observed and describe how salt affects the density of water.... (View More)

Students are introduced to classification through progressive activities. Initially, the teacher models the task by classifying buttons. Students then devise a classification scheme for paper clips. Subsequent activities use objects brought from... (View More)

Keywords: Classification

This is a lesson about the Phoenix Mars Lander's science mission to use robotic technology to uncover water on Mars. Learners will be introduced to the mission and conduct some simple experiments to learn about the important properties of water and... (View More)

Audience: Elementary school
Materials Cost: 1 cent - $1 per student

This is an activity about electromagnetism. Learners will set up a simple circuit using a battery, wire, and knife switch, and then use a compass to map the magnetic field lines surrounding the wire. Next, they will add a coil of wire to the simple... (View More)

This is a lesson about the kinds of stars that are suitable for supporting human life. Learners will characterize stars on a HR diagram and identify the characteristics of those most suitable for supporting human life. They then explore the... (View More)

Audience: Middle school