Curated OER
AP: Chapter 24: The Origin of Species
AP biology buffs define vocabulary terms and answer critical-thinking questions about evolutionary trends. They compare macroevolution to microevolution, differentiate ploidy possibilities, explain isolation barriers, and more....
Polar Trec
Rings of Life
Individuals analyze tree rings to determine the health of an ecosystem. They then look at otoliths of fish, hard calcium carbonate structures located behind the brain, in the same manner.
Curated OER
Evolution in a Ring
Students discuss a definition for ring species. They compare the concept of ring species to natural selection and examine the role of geography and climate in species formation.
Wildlife World Zoo & Aquarium
Puzzled About Conservation
Raise children's awareness about conservation with this series of vocabulary activities. Offering riddles about endangered species and a crossword puzzle involving key terms relating to conservation, these fun worksheets will engage...
Purdue University
Tree Talk
Examining tree rings shows more than just age. The third installment of a five-part Family Nature Program unit has learners examine all parts of trees including tree rings to tell stories about the life of the tree. They then use their...
Curated OER
Life Cycle of Trees
Turn your students into young tree-tectives with this fun science investigation into the life of trees. To begin, a class volunteer gets dressed up in a tree costume as the different parts of trees are introduced. Then, the class learns...
Curated OER
How Do We Measure Absolute Time?-Geologic Clocks
In this absolute time worksheet, students define radiometric dating, tree rings and varves as means to measure absolute time. They are given information about each of these methods of dating.
Curated OER
Natural History of Costa Rica
Students use outline maps to become acquainted with Costa Rica. They see how it was formed and how its origin has created very diverse environments. Students then use atlases and compare their physical maps with maps of climate and the...
Curated OER
Watchable Wildlife Checklist
In this wildlife learning exercise, students will read over a list of 28 native animal species, their needs, and interesting characteristics. This list can be used as a checklist when out on a hike or in the school yard to identify...
Curated OER
Guess Who Came to Dinner!
An exceptionally creative approach is taken to assessing your biologists' grasp of natural selection concepts. They are to imagine hosting Charles Darwin for dinner and having, to their surpise, a few other noted scientists crash the...
American Museum of Natural History
They Glow!
Let there be light! An interactive online lesson describes the process of bioluminescence and how ocean species use it to their advantage. The lesson highlights several specific species as well as provides vocabulary support with...
Curated OER
History's Thermometers
Ancient coral beds give scientists clues to past ocean temperatures in much the same way that tree rings indicate historical weather conditions. High school scientists examine coral oxygen isotope ratios and plot the data as a function...
American Museum of Natural History
What's This? Sensing
There is a scallop that relies on sight so much that it actually has more than 100 eyes! There are many species that rely heavily on one sense or another. An online interactive resource has youth read about several of these animals. The...
Curated OER
Ring-a-ling
Students examine a cross section of a tree. They discuss what the rings mean and how they can tell its age. They complete a worksheet to end the lesson.
Curated OER
Kingdom: Fungi
The general characteristics of fungus types are presented here. Your class will love the pictures of the amazing features found on these strange living things. The internal and external structures and their functions are highlighted. By...
National Park Service
It's Not Easy Being Grizz
Grizzly bears can be up to 600 pounds and require a great deal of food, especially to survive hibernation. Comprised of multiple games, the third lesson of five only uses one setup. Pupils run around a large field, sorting and collecting...
American Museum of Natural History
They Glow!
Would you believe marine animals can make their own light? An online resource describes the process of bioluminescence and how animals in the ocean use it to survive. The lesson features a catchy tune that describes the behavior of ocean...
DiscoverE
Harmless Holder
Here's a lesson that's not for the birds! Scholars design and build packaging for soda cans that is environmentally friendly. These packages must be durable, easy to carry, and have no environmental impact.
Curated OER
Leaf Collection
Students examine the tree species in Pennsylvania. In this Pennsylvania tree lesson students use field guides to assist them in identifying tree species.
Curated OER
Are Cellphones Killing Honeybees?
Students read an article about how honeybee are sensitive to the electromagnetic fields generated by cellphones. In this ESL lesson, students work as partners to complete a table of information relating to the many bee species in...
Curated OER
Diving Ducks
In this science worksheet, learners find the names of 10 diving ducks in a word search puzzle. A diving duck goes beneath the water's surface to feed. The word bank has a detailed color drawing of each duck.
Curated OER
Introduction To Floral Morphology
Pupils create a model of the four basic whorls of flowers using a water bottle, construction paper and Q-tips. They then examine fresh flower specimens to see how the basic structure can vary in different species of flowering plants.
Curated OER
Science: The Age of the Redwoods
Students discover how to estimate the age of redwood trees. They measure the trees' diameters by using string to calculate the circumferences. Students conclude by discussing the science of dendrochronolgy.
Curated OER
Where Did They Come From?
Give science learners nine questions about the biogeography of hydrothermal vents and turn them loose to research this fascinating habitat. Working in cooperative groups, they prepare a report that addresses each of the questions. A...