"Liquid Nitrogen" Trailer

Use liquid nitrogen to freeze stuff to 300 degrees below zero, and see weird things happen! This video also includes one of Mr. Mac’s crazy stories, “Evil Mister Fred's Death Star,” to help students remember the lesson. Difficulty: Medium.

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Note: All activities in this lesson should be performed with adult supervision. Likewise, common sense and care are essential to the conduct of any and all activities, whether described in this lesson or otherwise. Parents or guardians should supervise children. Rock-it Science assumes no responsibility for any injuries or damages arising from any activities.