Search Results
Showing results 121 to 140 of 450
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-572.jpg?itok=bDbQrjsa)
Salty Pits
Source Institutions
In this activity, learners explore how different deodorants work. Learners treat agar plates with different types of deodorants and compare the bacteria growth on the plates to the control sample.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-386.jpg?itok=2y25OBEk)
See the World Through Color-Filtering Lenses
Source Institutions
In this activity, learners examine how colored lenses act like filters and absorb all colors of light except for the color of the lenses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-649.jpg?itok=RyL3gdBj)
Invisible Sunblock
Source Institutions
In this activity, learners find out why some mineral sunblock rubs in clear. Learners compare nano and non-nano sunblocks and discover how particle size affects visibility.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-648.jpg?itok=OAY2Yu88)
Altered Reality
Source Institutions
In this activity, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-781.jpg?itok=ZsPriQVO)
Wash Away Germs
Source Institutions
Many germs spread by our hands, and often times, people don't wash their hands well enough to get rid of germs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-767.jpg?itok=FfpXEwTl)
Forensic Science: Hair Sample Investigation
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Forensics) is a full inquiry investigation into how hairs from a crime scene are matched to suspects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-475.png?itok=Nw7b7i8_)
Parasite Sleuth
Source Institutions
In this activity (on pages 26-33), learners play parasitologists, solving several "mysteries" about people who got sick from various parasites. In teams of four, each member solves one mystery.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-841.jpg?itok=gl8lBbgk)
Bird in the Cage
Source Institutions
In this activity about afterimages, learners explore what happens when receptor cells called cones in your eye's retina get tired.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-588.png?itok=kwBNtGk4)
Endurance: How Many Can You Do in a Row?
Source Institutions
Combine math and exercise with this activity. Learners count how many times in a row they can skip rope or throw and catch a ball.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-986.png?itok=dYfNMN9R)
Making Vocal Cords
Source Institutions
In this activity, learners imitate the way vocal cords work by building a model from a plastic cup, rubber band, and a straw.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-662.jpg?itok=LyIWZJaB)
Biobarcodes: Antibodies and Nanosensors
Source Institutions
In this activity/demo, learners investigate biobarcodes, a nanomedical technology that allows for massively parallel testing that can assist with disease diagnosis.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-104.jpg?itok=MyzO8ETl)
Pom Pom Potential
Source Institutions
In this kinesthetic activity, learners move pom-pom "ions" across a membrane to simulate how an action potential is propagated along an axon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-105.jpg?itok=Kjc4xBJG)
Jumpin' the Gap
Source Institutions
In this simulation of synapses, learners act out communication at the neural level by behaving as pre-synaptic vesicles, neurotransmitters, post-synaptic receptors, secondary messengers and re-uptake
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-677.jpg?itok=fMtqTZpe)
Assemble the Human Heart
Source Institutions
In this online activity about anatomy, learners will drag and drop pieces of the heart into their proper positions and explore what function each part of the heart has.
Special Snack: Budgeting for Health
Source Institutions
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-739.gif?itok=hxE2YntR)
Mirrorly a Window
Source Institutions
In this activity about light and reflection, learners discover that what you see is often affected by what you expect to see.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-822.gif?itok=-E5qWiqu)
Measure Yourself in Nanometers
Source Institutions
In this activity, learners will be able to measure themselves in nanometers. A nanometer is a billionth of a meter, a unit of measurement used in nanotechnology.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-768.jpg?itok=hG9dX_mh)
Strong Bones, Weak Bones
Source Institutions
Most people will break a bone in their body at some point in their life, but how much force does it take to break one?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-177.jpg?itok=_6aOxex_)
Bones
Source Institutions
In this health activity (page 5 of the PDF), learners will explore a unique connection betweeen the bones of the body.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-026.png?itok=VvNGp80V)
Wash This Way
Source Institutions
In this activity on page 4 of the PDF, learners investigate the importance of washing their hands.