Narrow Search

Learning Time
Filters: Your search found 56 results.
Topics/Subjects:
Physical sciences  
Educational Level:
Middle school  
Learning Time:
30 to 45 minutes  
Sort by:
Per page:

Now showing results 31-40 of 56

This learning activity engages students in measurement of pH in water and soil samples, plants and other natural materials. By mixing different substances, they observe how pH changes, and become familiar with the pH of common household products.... (View More)

This is an activity about electromagnetism. Learners will use a simple circuit powered by a battery source to investigate the strength of the magnetic field produced by a coil of wire in the circuit. The strength will be indicated by the deflection... (View More)

This is a lesson about measuring magnetic field directions of Earth and in the environment. First, learners go outside, far away from buildings, power lines, or anything electrical or metal, and use compasses to identify magnetic North. Next, they... (View More)

Keywords: electromagnetism
Audience: Middle school

This is an activity about electromagnetism. Learners will use a compass to map the magnetic field lines surrounding a coil of wire that is connected to a battery. This activity requires a large coil or spool of wire, a source of electricity such as... (View More)

This is lesson to begin learners' thinking about magnetic influence. Learners will watch a classroom demonstration about the effect of magnets on iron filings and then complete a journal assignment to record their reactions and thoughts. This is the... (View More)

This interactive, online activity introduces students to the electromagnetic spectrum. Students view the electromagnetic spectrum in its entirety and become familiar with the characteristics of waves. Images of the sun in different wavelengths of... (View More)

Keywords: Light and color
Audience: Middle school, High school
Materials Cost: Free

This interactive, online module allows students to discover the velocity needed to escape the Earth's gravitational pull. By completing this activity, students discover how mathematics can be used to find escape velocity. Students may complete this... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online module provides students the opportunity to explore actual Hubble images and the tools used to hunt for black holes. By completing this activity, students learn about the technology required to confirm the existence of black... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online module provides an introduction to the concept of a black hole. Students explore the components of a black hole by using a diagram of an accretion disk, an event horizon, and jets of hot gas. Students may complete this... (View More)

Audience: Middle school, High school
Materials Cost: Free

This interactive, online activity introduces the idea that everything emits electromagnetic radiation, including students. Students discover how the light emitted from an object (a robot) changes as the object is heated. A graph shows the amount of... (View More)

Keywords: light and color
Audience: Middle school, High school
Materials Cost: Free