Search Results
Showing results 1101 to 1120 of 1480
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-781.png?itok=cr9RwBhD)
Line Up: Using Math To Stand In Line
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-220.png?itok=EmJrUx8L)
Toilet Paper Solar System
Source Institutions
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-000-000-002-696.jpg?itok=vxsXLP5z)
Electromagnetic Dancer: Connect Her Up and Watch Her Dance!
Source Institutions
In this activity, learners use a nail and magnet wire to build an electromagnet, which controls the movements of a paper dancer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-208.png?itok=X9xoLUl9)
Modeling the Seasons
Source Institutions
This activity provides instructions for learners to create models of the Earth and then to model a "day" on Earth as well as modeling the seasons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-872.jpg?itok=mBKhSo_v)
Wet Pennies
Source Institutions
Learners initially test to see how many drops of liquid (water, rubbing alcohol, and vegetable oil) can fit on a penny.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-735.jpg?itok=YEd2ohv9)
Pinhole Magnifier
Source Institutions
In this activity related to light and perception, learners use a pinhole in an index card as a magnifying glass to help their eye focus on a nearby object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-047.jpg?itok=tAH8_PQN)
Mystery Matter
Source Institutions
This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-254.gif?itok=fcKLTmzD)
Pea Brain!: Explorations in Estimation
Source Institutions
In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-184.jpg?itok=vJUZxe9P)
Supernovae in the Lives of Stars
Source Institutions
Many people think the different stages in the life of a star are actually different types of stars, rather than just stages in the life of a single star.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-532.png?itok=LtNA0zyD)
Tiny Pants Photo Challenge
Source Institutions
In this activity, learners use a simple trick of perspective to dress friends in tiny cutout clothing. Learners make tiny pants out of card stock and tape them to the end of a stick.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-943.jpg?itok=Sf3u5wQg)
Thaumatropes
Source Institutions
In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-957.jpg?itok=egYADqrD)
Paper Lanterns
Source Institutions
In this activity, learners explore light and shadows by creating a lantern they can keep on their nightstand.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-806.jpg?itok=jjyIFV4A)
Tape Electroscope
Source Institutions
In this simple activity, learners create an electroscope by sticking two short pieces of magic tape together and then pulling them apart to find the sign of the charge on an unknown charged object.
Are you a Supertaster?
Source Institutions
In this activity, learners examine their tongue and taste buds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-002.png?itok=wUZP2FNq)
Density Intensity
Source Institutions
In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-635.gif?itok=uOFfS4tM)
Dye Like A Natural
Source Institutions
In this activity, learners stain fabrics--on purpose!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-354.jpg?itok=3s7W0APY)
Building Molecules
Source Institutions
This online interactive has three activities in the NanoLab (press the upper right button): Build, Zoom, and Transform.
Growing Rock Candy
Source Institutions
In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-016.png?itok=dL85oT5v)
The Nose Knows!
Source Institutions
In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-758.jpg?itok=V8xOC1gh)
Solar Convection
Source Institutions
In this activity, learners add food coloring to hot and cold water in order to see how fluids at different temperatures move around in convection currents.