Search Results


Showing results 261 to 280 of 690

Source Institutions
Add to list Details
In this activity that can be used as a lab or demonstration, learners use Lactaid® and lactose to demonstrate the concept of enzyme action.

Over $20 per group Ages 14 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners overlap the three primary colors to see how all other colors are made.

free Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
Do you have a hard time matching paint swatches with your furniture? When you consider human perception, color is context dependent.

1 cent - $1 per student Ages 4 - adult 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners construct a model of DNA to better understand the structure of DNA and protein synthesis.

Over $20 per group Ages 8 - adult 1 to 2 hours
Source Institutions
Add to list Details
We're told from a young age that we have 5 senses, but we have many more. One of which is our awareness of our own body part's orientation and position.

free Ages 6 - 18 Under 5 minutes
Source Institutions
Add to list Details
In this activity, learners look at and touch marine animal skulls to compare them and think about what they eat.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
Source Institutions
Add to list Details
In this activity about olfaction (8th activity on the page), learners smell 10 different items with different odors. Then they try to identify the smells when they are mixed together.

$1 - $5 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this activity, learners build a plastic emergence chamber (or use purchased "mini mosquito breeder") to observe and analyze the mosquito life cycle.

Over $20 per group Ages 11 - 18 1 to 4 weeks
Source Institutions
Add to list Details
In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods.

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners follow step-by-step instructions to build a gel electrophoresis chamber using inexpensive materials from local hardware and electronic stores.

Over $20 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this outdoor, beach activity, learners use tennis balls, water balloons and other simple devices to investigate the movement of waves and currents off a sandy beach.

Over $20 per group Ages 8 - adult 1 to 2 hours
Add to list Details
In this simulation of natural selection, learners use binder clips in three different sizes to represent the diversity of beak sizes in a bird population.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.

free Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
In this interactive activity, learners analyze seashells to explore phylogeny and evolution. Learners identify similar and dissimilar seashells to create a phylogenetic tree.

free Ages 11 - 18 10 to 30 minutes
Source Institutions
Add to list Details
In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
Add to list Details
In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

Over $20 per group Ages 8 - 18 1 to 2 hours
Source Institutions
Add to list Details
In this lab (Activity #1 on page), learners explore how we see color.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
Add to list Details
In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

free Ages 11 - 18 45 to 60 minutes
Source Institutions
Add to list Details
In this optics activity, learners examine how polarized light can reveal stress patterns in clear plastic.

$5 - $10 per group Ages 8 - 18 5 to 10 minutes
Source Institutions
Add to list Details
This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.

Over $20 per group Ages 14 - 18 1 to 12 months