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Learners explore the endless possibilities of cardboard engineering in this open-ended STEAM activity. Practice being creative by building structures with no glue, only cardboard and scissors.

In this activity, learners will experiment with water- and air-filled balloons as a way of dampening sound before it reaches their ears.

When was the last time you took a really close look at a leaf? In this activity, learners will use leaves and simple materials to make colorful leaf rubbings.

In this activity, learners explore physics by building a catapult that launches marshmallows with household objects.

Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials

In this activity, learners create a model of a neuron by using colored clay or play dough. Learners use diagrams to build the model and then label the parts on a piece of paper.

In this activity, learners investigate the basic crystal structures that metal atoms form.

In this activity, learners will discover how to find the "sweet spots" on a baseball bat. Whenever an object is struck, it vibrates in response.

In this design challenge activity, learners explore the concept of biomimicry by using a natural organism's special features to design a new human object.

Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

In this activity, learners design and build a NASA rover using raw pasta and candy with a limited imaginary budget.

In this activity, learners follow simple directions to explore and create platonic solids.

In this activity, learners explore the engineering design process and the basic mechanics behind building bridges as they build one themselves using gumdrops and toothpicks.

Learners assemble a hot-air balloon from tissue paper. The heated air (from a heat gun) inside the balloon is less dense than the surrounding air and causes the balloon to float.

When baseball was in its infancy, the ball had plenty of bounce. Today's baseball may not seem to have bounce to it at all; if you drop a ball on the field it won't bounce back.

In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target.

Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en línea, en libros de consulta, y en calendarios y almanaques.

In this activity, learners will see how UV light affects colors over time by making their own sunprint on construction paper.

In this activity, learners discover the importance of maps and scale as they work together to create a map of the classroom.

In this activity, learners turn an ordinary metal coat-hanger into a (very quiet) musical instrument.