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Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en libros de consulta, explorando el salón, y usando su creatividad.

In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.

In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.

In this hands-on activity, learners build their own kaleidoscopes and explore how light can reflect of off surfaces such as mirrors, to produce beautiful patterns.

In this playful, goopy activity, learners mix two liquids to create a solid (that sometimes acts like a liquid ), using basic household materials such as borax and glue.

In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice.

Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

In this activity, learners play a trick on their own brain to see if the brain can learn to ignore distracting input. Colors and words are used to play the visual trick, known as a Stroop Test.

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 write invisible messages on goldenrod paper, and make the message appear and disappear using acids and bases.

In this bilingual (English/Spanish) activity, learners create family trees by tracing the hands of their family members.

Students design and build their own parachutes in this hands-on engineering project.

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

In this hands-on experiment, kids use chemistry to explore whether acids or bases are better at restoring a penny’s shine.

In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.

In this hands-on activity, learners determine the types of chemical reactions achieved when combining different household products.

In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.