Search Results
Showing results 1 to 20 of 24
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-810.jpg?itok=dJez558q)
To Taste or Not to Taste
Source Institutions
In this biology activity (page 8 of the PDF), learners will determine whether they are "tasters" or "non-tasters", test selected individuals from their families and peer group for the trait, and chart
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-626.jpg?itok=IbatR_md)
Separation Anxiety
Source Institutions
In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-922.jpg?itok=yqPmRiT-)
Wild Sourdough
Source Institutions
In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-791.jpg?itok=M41wTq5q)
Water Molds (Oomycetes)
Source Institutions
In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-687.gif?itok=-IlP51lW)
Chemical Change
Source Institutions
In this chemistry activity, learners explore the amount of copper in a new penny. Learners use toilet bowl cleaner to hollow out the interior of a penny with zinc inside.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-787.gif?itok=1gTbJY5b)
Handwashing Laboratory Activities: Bowl Technique
Source Institutions
In this lab (Activity #2 on page), learners compare bacteria growth on two petri dishes containing nutrient agar. Learners touch the doors, faucets, etc.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-194.jpg?itok=UG6hB_SJ)
Pollinator Bath
Source Institutions
In this activity, learners will build a design and build a place for pollinators to drink from.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-969.jpg?itok=CNeE150p)
Make a Terrarium
Source Institutions
In this activity, learners make a miniature greenhouse or "terrarium" to explore the greenhouse effect.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-313.jpg?itok=zUbw3jA4)
DNA Fingerprinting
Source Institutions
In this forensics activity, learners solve a mystery using “DNA” taken from the scene of the crime.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-413.jpg?itok=cMhiHa_R)
Diffusion of Water with Gummy Bears
Source Institutions
In this activity, learners investigate the movement of water into and out of a polymer. Learners test the diffusion of water through gummy bears, which are made of sugar and gelatin (a polymer).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-206.jpg?itok=etnn905j)
Styrofoam Traps
Source Institutions
In this activity, learners use Styrofoam to collect organisms from a pond, estuary or marine environment and then examine what they have caught with a microscope.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-715.gif?itok=9Zmdwhtt)
Gummy Growth
Source Institutions
In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-570.png?itok=nqg0DGDZ)
Properties of Dust
Source Institutions
In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-753.jpg?itok=QKFPvVKk)
Free-living and Plant-Parasitic Nematodes (Roundworms)
Source Institutions
This lesson introduces learners to the world of nematodes (roundworms).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-232.jpg?itok=v0LZbYO1)
Dirt Life
Source Institutions
After an interest-generating discussion about "dirt" and microbes, learners select and collect soil samples from a variety of locations (schoolyard, home, etc.).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-356.jpg?itok=2SbZGtcR)
Color-Changing Carnations
Source Institutions
Learners place cut flowers in colored water and observe how the flowers change. The flowers absorb the water through the stem and leaves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-915.jpg?itok=4n7FfVEd)
Make Your Own Barometer
Source Institutions
In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-546.png?itok=p1E6eqoH)
Air-filled (Pneumatic) Bone Experiments
Source Institutions
Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-810.jpg?itok=YDj-0zuo)
An Interdisciplinary Deer and Human Population Study
Source Institutions
This activity helps the learner answer the question: "What environmental problems arise due to animal and human overpopulation and what might need to be done to combat these problems?" Learners play a
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-514.jpg?itok=LG69oaZm)
Growing Food From Scraps
Source Institutions
In this activity, learners will explore vegetative propagation while preparing food scraps to grow into plants.