Search Results
Showing results 1 to 20 of 921
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-526.gif?itok=-Fkkxo4t)
Where is the Sun?
Source Institutions
In this activity, learners verify that the Sun appears in a different location at a specific time every day of the year with one exception: on the Equinoxes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-609.png?itok=sgj7ll0T)
A Little Drop of Water: Cohesion
Source Institutions
Learners explore water's property of cohesion through two investigations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-912.jpg?itok=h-u2R7Pa)
Fizzy Nano Challenge
Source Institutions
This lesson focuses on how materials behave differently as their surface area increases.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-084.jpg?itok=kjzkQtxe)
Hot Stuff!: Investigation #4
Learners test two jars containing soil, one covered and one open, for changes in temperature. After placing the jars in the Sun, learners discover that the covered jar cools down more slowly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-090.jpg?itok=RHSatcdy)
Dripping Wet or Dry as a Bone?
Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-086.jpg?itok=cwXOZ2Ci)
Acid (and Base) Rainbows
Learners use red cabbage juice and pH indicator paper to test the acidity and basicity of household materials. The activity links this concept of acids and bases to acid rain and other pollutants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-561.jpg?itok=yXud7-0Q)
Digestion
Source Institutions
In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-623.png?itok=nKVjmrlF)
Drop Shape
Source Institutions
In this activity, learners get a closer look at the shape of a drop of water and a drop of oil. Learners first drip water onto wax paper and examine the shape of separate drops from a side view.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-267.jpg?itok=DNyv69Z8)
Carousel Pump
Source Institutions
In this activity, learners build a carousel toy that spins when pushed down.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-549.jpg?itok=ZGrjAcDQ)
Modeling Day and Night
Source Institutions
In this activity (on page 1 of the PDF), learners make a "mini-globe" to investigate the causes of day and night on our planet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-256.png?itok=4lX93VP8)
The Geophysical Light/Dark Cycle
Source Institutions
This is an activity (located on page 131 of the PDF) related to sleep and circadian rhythms as well as space travel.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-524.gif?itok=ImUfmM10)
Meteoroids and the Craters They Make
Source Institutions
In this activity, learners investigate the formation of craters. Learners will examine how the size, angle and speed of a meteorite's impact affects the properties of craters.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-079.jpg?itok=1xx-ULxE)
Hot Stuff!: Investigation #1
Learners test two jars, one containing plain air and one containing carbon dioxide gas, to see their reactions to temperature changes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-279.jpg?itok=B8nRCnK5)
Recrystallization Test
Source Institutions
In this activity, learners recrystallize substances from solutions and make observations about the resulting crystals. This test can help further identify the unknown.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-245.jpg?itok=nvNRUaXm)
Matter on the Move
Source Institutions
Learners observe and conduct experiments demonstrating the different properties of hot and cold materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-618.jpg?itok=Vd6CRV0C)
The Shape of Floatation
Source Institutions
In this activity (on page 2 of the PDF under GPS: Sailboat Design Activity), learners will discover how the shape of an object, not just its weight, determines whether it floats or sinks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-630.jpg?itok=l5s7a5Jk)
Soup Can Derby
Source Institutions
In this activity (on page 2 of PDF under GPS: Roller Coaster Design Activity), learners will use food cans of many different properties (sizes, shapes, and weights) and set two cans on their sides at
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-624.jpg?itok=OasRsgVE)
Batter Up!
Source Institutions
This activity (on page 3 of the PDF under GPS: Baseball Activity) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-254.png?itok=NQ2mVS_G)
Measuring Your Breathing Frequency at Rest
Source Institutions
In this activity about the brain and sleep (on page 138 of the PDF), learners measure their resting breathing rates. Learners will discover that breathing frequencies vary amongst individuals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-397.jpg?itok=ws2RTZ0m)
Skin Deep
Source Institutions
In this activity, learners explore how to protect their skin while applying pesticides to plants.