Narrow Search

Your search found 1955 results.
Sort by:
Per page:

Now showing results 1551-1560 of 1955

In this lesson, students are introduced to atoms, molecules, and elements. Learners will build constructions out of different types of building materials as a metaphor for atoms and molecules. They interpret different symbolic representations for... (View More)

Audience: Elementary school, Middle school
Materials Cost: Free

This is a lesson where learners engage in a radiating heat activity and an activity that measures temperature in models with and without greenhouse gases. Learners will draw conclusions about the effect of greenhouse gases on temperature and on... (View More)

Learners will explore the relationship between angular size, actual size, and distance by using their finger, thumb and fist as a unit of angular measurement. Includes teacher background, student data sheet, and extensions.

Learners will use trays of sand and a variety of solid objects to model the effects of "impactors" on the surface. This is activity 6 of 9 in Mars and Earth: Science Learning Activities for After School. Note: The Mars image set that is needed to... (View More)

Keywords: Mars; Craters

Learners will compare and contrast images of Earth and Mars and then experiment with lenses to understand more about the instruments used to make the pictures. This is activity 1 of 9 in Mars and Earth: Science Learning Activities for After School.

In this lesson learners will explore the properties that allow objects and liquids to float and use this information to infer the composition of the Earth's layers. The lesson models scientific inquiry using the 5E instructional model and includes... (View More)

This is a lesson about the temperature on different planets in our solar system. Learners will explore the planetary temperature system. They explore how each aspect (e.g., mass, temperature and gravity) influences the system and the consequences of... (View More)

Audience: Middle school

Learners will predict how human survival requirements are met by characteristics of our solar system and planet. They engage in an online Astronomy Training module in which they make changes to the astronomical conditions of our solar system and... (View More)

Audience: Middle school

Learners will explore the conditions required for water to be in a liquid state. They discover that temperature is the essential variable. They then explore how temperature affects the motion of molecules and molecular bonds. The lesson models... (View More)

Audience: Middle school

Learners will look for the relationship between atmospheric mass and other characteristics of a planet. When the results are not completely conclusive, the students explore possible causes of discrepancies in the data. They conclude that gravity,... (View More)

Keywords: habitable zone
Audience: Middle school