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Showing results 161 to 180 of 244
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Drops on a Penny
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In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.
Magic Turtle Squares
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In this math activity, learners create a magic turtle where all the rows, columns and diagonals add up to fifteen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-317.png?itok=vxbWdAE-)
Drinking Straw Pulse Measurer
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In this health activity, learners create a device so that they not only feel their heartbeat, but also see it, using a straw and some clay.
Double or More
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Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?
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Frijolitos
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Esta actividad enseña la proporción y razón por hacer que los aprendices hagan "ensaladas" que combinan tres tipos de frijoles en tres combinaciones diferentes.
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3...2...1 Puff!
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In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.
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Cookie Surface Area
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This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.
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Malformed Frogs
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This activity (on page 2 of the PDF under SciGirls Activity: Malformed Frogs) is a full inquiry investigation into using indicator species to assess the health of an environment.
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Average Names
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In this activity, learners compare the number of letters in the names of the people in their families or group of friends.
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Games of Chance and Brains
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In this activity, learners build and play three math games. In the first game, called "Switcheroo," learners place marbles in holes 1 through 4 and 7 through 10.
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Estimation
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In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.
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Enciérrelo
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Jugando a este juego de estrategia, los chicos desarrollan su entendimiento de área y perímetro. En su turno, cada jugador hace una línea entre dos punto contiguos en la cuadrícula.
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Make a Human Scale Ladder
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In this quick activity about size and scale (on page 2 of the PDF under What's Nano?
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Arithmetic
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In this online activity, learners will brush up on their multiplication, division, and factoring skills with this exciting game.
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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.
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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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-769.jpg?itok=N74UqfZ-)
Tug-of-War
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This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.
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Foam Rocket
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In this activity, learners work in teams build and launch rubberband-powered foam rockets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-392.gif?itok=8ejVQPiy)
Electricity: Fruit Batteries
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In this activity, learners create a battery from fruit. This activity helps learners explore electricity, electrochemistry, and series circuits as well as the process of scientific inquiry.
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Looking Through the Algebraic Lens
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In this two-part math lesson, learners investigate problems that foster algebraic thinking across content strands. In the first part, learners explore even and odd numbers linked to quilts.