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Big Time Tour
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In this activity (on pages 16-21), learners get a sense of geological time by understanding how big a million is.

The Muddy City: Minimal Spanning Trees
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In this puzzle, learners investigate the decisions involved in linking a network between houses in a muddy city.

Mirror-Tracing
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This mirror-tracing activity related to proprioception is a visual and motor test that involves learning a new motor skill.

Line Up: Using Math To Stand In Line
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Put math of measurement into lining up — and make waiting in line fun. Choose a size characteristic that learners can physically compare, such as foot length or hair length.

Toilet Paper Solar System
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In this activity, learners build a scale model of the solar system using a roll of toilet paper.

Count the Dots: Binary Numbers
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Data in computers is stored and transmitted as a series of zeros and ones. Learners explore how to represent numbers using just these two symbols, through a binary system of cards.

Bake Sale
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This activity helps learners learn about math through a real-world scenario. Three friends are baking cookies for their school’s bake sale.

I Want to Hold Your Hand
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In this activity, learners construct a robot-like hand to demonstrate how data is collected when using robotic technology.

Weather Stations: Temperature and Pressure
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In this activity, learners discover the relationship between temperature and pressure in the lower atmospheres of Jupiter and Earth.

Mold Mole Molds
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In this activity, learners make different shapes that hold exactly one mole of gas (air).

Kites
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This activity (on page 2 of the PDF under SciGirls Activity: Kites) is a full inquiry investigation into how a kite’s shape affects its performance.

Plenty on the Plains
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In this activity, learners compare the ways of life of Plains Native Americans who hunted and moved frequently to follow the buffalo herds, and Native Americans who farmed and lived in more permanent
What's So Special about Water: Absorption
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In this activity about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners test if objects repel or absorb water.

Human-powered Orrery
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In this space science activity, learners work together to create a human-powered orrery to model the movements of the four inner planets.

Cuatro en Línea
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¡Este juego de estrategia tiene reglas sencillas pero puede ser un reto! Los jugadores empiezan con una red de hexágonos vacía. En su turno cada jugador pone su inicial en un hexágono vacío.

Testing Falling Peanut Butter Sandwich Myth
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In this activity related to rotational inertia (page 1 of the PDF under SciGirls Activity: Microgravity), learners will use a bit of scientific experimenting to test if open-faced peanut butter sandwi
What Causes Rainbows?
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In this activity, learners explore how and why rainbows form by creating rainbows in a variety of ways using simple materials. Learners create rainbows indoors and outdoors.

Double Dutch Distractions
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This activity (page 2 of the PDF under SciGirls Activity: Double Dutch) is a full inquiry investigation into whether hearing or seeing has a bigger effect on jump rope performance.
Light on Other Planets
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In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe
Special Snack: Budgeting for Health
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In this activity, learners will plan a snack within a budget. With a $20 limit (theoretical) to spend on snack for everyone, learners look over grocery store circulars and make their shopping lists.