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In this math lesson, learners participate in a variety of activities that give them experience in recognizing, describing, and extending repeating and arithmetic patterns.

Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

In this activity (page 5 of pdf), learners explore the relationships between the shape and structure of a shark's teeth and the food it eats, and then create their own shark tooth from clay.

In this design challenge, learners will engineer a structure and see if it can survive an earthquake they create.

Learners make their own paper using old newspaper. Learners can make their paper colorful by adding construction paper.

In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car.

Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.

In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

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 build a machine made of craft sticks to multiply the levering motion of their hands and create a device that bends and extends.

In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.

In this activity, learners build a simple solar oven out of household materials to melt chocolate and marshmallow between graham crackers--known as s'mores.

In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

In this activity, learners use a nail and magnet wire to build an electromagnet, which controls the movements of a paper dancer.

Learners use shop tools and various materials to construct a magnetic spinner and a compass.

This marine biology activity (on pages 11-17) introduces learners to kelp (seaweed) forests that grow in the ocean and are home to many species of sea animals.

In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.