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Rocks are made of minerals, and minerals often have crystal shapes. In this fun activity about geometry in nature, learners create their own crystal shapes out of paper.

By making models of light waves with paper, learners can understand why different colors appear in bubbles.

In this activity, learners will experiment with textures, shapes, and materials and create their own unique masterpieces.

Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.

This science activity demonstrates the dominant eye phenomena. What does your brain do when it sees two images that conflict?

Learners analyze mixtures of dyes using filter paper chromatography. They place spots of the different dyes at the bottom of a piece of filter paper, and hang the paper to touch the surface of water.

In this activity, learners manipulate paper to build original 3-dimensional sculptures. Appropriate for any age, learners can use fingers to tear, crumple, or fold, and if available, scissors to cut.

In this activity, learners explore the question "What is paper?" Learners discover the processes and materials required to make paper while experimenting with different recycled fibers and tools.

Things that are different sizes and stiffness vibrate differently, and in this Exploratorium Science Snack, you'll see how rings of various diameters react to vibration and external forces.

In this activity, learners use chemistry to produce weathered "antiqued" paper with burned edges. Learners first soak white paper in coffee and then apply a charring solution of ammonium chloride.

Learners shred used paper, add water, and blend it into pulp. They then strain and roll the pulp out to make new paper.

Learners observe different paper samples under ordinary room light and under a black light to learn some of the chemical differences between different types of paper.