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In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.

Somatic Cell Nuclear Transfer (SCNT) is a cloning method that involves transferring a nucleus from a somatic cell of the individual to be cloned to an enucleated egg.

In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.

In this drawing/mapping activity, learners design plots of land while incorporating positive strategies for improving water quality.

In this activity, "write" a secret message in genetic code as beads on a string.

In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.

In this activity (located on page 6 of the PDF), learners explore the ways people access water in their homes.

In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

In this four-day lesson, learners identify three-dimensional forms in castle design, research different parts of the castle with a focus on their uses, and design and enlarge a banner for the great ha

In this activity (on page 2 of PDF), learners make their own totem poles out of recycled materials.

In this activity, learners explore how pens have been engineered and re-engineered over time. Learners work as a team to develop a working pen out of everyday items.

In this activity, learners explore how the process of folding has impacts on engineering and is evident in nature.

In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.

The Chinese invented paper made from plants and cloth about 2,000 years ago. Learners follow a similar process to make paper from recycled paper.

Learners make their own paper. They start by shredding old newspaper, clean toilet paper, and clean paper towels.

In this activity, learners will learn how to knit using only their hands. Learners will explore patterns and fabrication as well as develop fine motor skills and patience through this activity.

Coins are everyday objects which tell a lot about the people who use them.

In this activity, learners explore the history of making objects from glass and artistry of Dale Chihuly.

In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.