Search Results
Showing results 1081 to 1100 of 1301
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-549.jpg?itok=gaMtI18C)
Bridge Building
Source Institutions
This is a quick activity (on page 2 of the PDF under Hockey Sticks Activity) about how the arrangement of carbon atoms determines carbon's different properties.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-855.png?itok=BuHzl7mZ)
2-Liter Landfill
Source Institutions
In this activity, learners gain a better understanding of how household/school waste breaks down in a landfill. Learners collect trash and then create miniature landfills in 2-liter bottles.
Dollar Bill Grab
Source Institutions
In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-316.jpg?itok=eBHabUg9)
Human Traits
Source Institutions
In this activity, learners investigate variations in human traits. This allows learners' natural curiosity about their identity to draw them into the study of heredity.
Musical Coathanger
Source Institutions
In this activity, learners turn an ordinary metal coat-hanger into a (very quiet) musical instrument.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-458.jpg?itok=qiITeSH9)
A Closer Look at Crystals
Source Institutions
In this activity, learners compare different types of salt crystals under a magnifying glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-139.jpg?itok=9aeEPIka)
Water, Water Everywhere
Source Institutions
In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-777.jpg?itok=WM6bolVi)
Rabbit Olympics
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Rabbits) is a full inquiry investigation into observing, recording, and graphing animal behavior.
Build A Hydrometer
Source Institutions
In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-592.png?itok=KnUMP3Z6)
Count Around
Source Institutions
Learners explore their surroundings while reasoning about categories and counting.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-984.jpg?itok=f8wtZWhs)
Endangered!
Source Institutions
While playing a game, learners discover how the Endangered Species Act works in the United States. Learners move along a game board by answering questions correctly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-748.jpg?itok=h_WF0Cta)
Size, Mass, Area, and Volume
Source Institutions
In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-498.png?itok=XQ8RvNJ4)
Everyday Poisons
Source Institutions
This reading and writing activity (on pages 2-9) teaches what plant parts should be avoided, how a person can get rid of toxins, symptoms of plant poisoning, and how plants create poisons to repel pre
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-990.jpg?itok=npbYdK6Z)
Cryptographic Protocols: The Peruvian Coin Flip
Source Institutions
This activity about cryptographic techniques illustrates how to accomplish a simple, but nevertheless seemingly impossible task—making a fair, random choice by flipping a coin between two people who d
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-714.gif?itok=E-2nuHvs)
Magnetic Suction
Source Institutions
In this activity about electricity and magnetism, learners discover how a doorbell works. A coil of wire with current flowing through it forms an electromagnet that acts similar to a bar magnet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-072.gif?itok=kAPfNkbI)
Look Mom, No Wings!
Source Institutions
In this activity about flight, learners explore how high they can jump. Learners dip their finger in ink or dirt, then jump as high as they can and mark paper attached to the wall.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-275.jpg?itok=aaaSe_l9)
Dissolving a Substance in Different Liquids
Source Institutions
In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-700.jpg?itok=3SRulhDd)
Two-String Yo-Yo
Source Institutions
Learners build a yo-yo using a piece of wood, PVC pipe, and string. In doing so, learners explore the force of gravity and angular momentum.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-833.png?itok=6DwWZoeR)
Trail Impact Study
Source Institutions
In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-962.jpg?itok=bqR2MYNX)
Candy Chemistry
Source Institutions
In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.