College Board
2015 AP® Biology Free-Response Questions
Many future doctors earn college science credit by passing the AP biology test while still in high school. Help young scientists prepare for the exam by studying past test questions. Each of the eight questions covers multiple topics...
Serendip
Using Models to Understand Photosynthesis
Is your class in the dark about photosynthesis? Shed some sunlight on an important biological process with a thoughtful activity. After answering questions to help determine their level of knowledge, learners work with chemical equations...
Biology Junction
ADP, ATP, and Cellular Respiration
Hans Krebs won the Nobel Prize for his discovery of what scientists now know as the Krebs cycle. Named after him, the Krebs cycle exists as only one system of the larger set, working together to keep human bodies functioning. The...
Serendip
How Do Biological Organisms Use Energy?
When an organism eats, how does food become energy? Young biologists follow glucose through the process of cellular respiration to the creation of ADP using a discussion-based activity. The resource also highlights conservation of mass...
Lesson Plans
Photosynthesis Activity
When is the last time pupils did a happy dance in class? Scholars act out photosynthesis and dance excitedly in front of the class. The resource also comes with a worksheet for those waiting or who have already completed the...
Curated OER
The Marvels of Mud
Young scientists roll up their sleeves and get a little dirty in this three-day earth science investigation. Following the scientific method, children monitor the growth of algae in pond water samples in order to determine...
Biology Junction
Introduction to the Plant Kingdom
Plants provide humans with food, shelter, and medications. Scholars gain a better appreciation for plants after learning their functions, divisions, and early ancestors. Each sub-topic includes slides highlighting vocabulary and...
Agriculture in the Classroom
A Rafter of Turkeys
How did that turkey get from the early Aztec culture to your table? Learn about the history of wild and domesticated turkeys in North America, as well as their inclusion in Thanksgiving traditions, with a two-part agricultural science...
Biology Junction
Plant Structure and Function: Roots, Stems, and Leaves
Scientists found fossils of plants more than 420 million years old—but plants existed for up to 100 million years prior to these fossils. Learn about the importance of plants to the entire planet. Viewing a presentation helps scholars...
Howard Hughes Medical Institute
Spreadsheet Tutorial 4: t-Test
The t-test tutorial will fit your needs to a T. After calculating the mean, sum of squares, standard deviation, and variance of two data sets on a spreadsheet, scholars learn to calculate the t-values. They then learn to use the TTEST...
Howard Hughes Medical Institute
Spreadsheet Tutorial 3: Column Graphs, Error Bars, and Standard Error of the Mean
There's absolutely no error in using the tutorial! Learners use spreadsheets to create column or bar graphs with error bars. They also learn how to calculate the standard error of the mean in the tutorial. This is the third installment...
Biology Junction
Reptiles
When crocodiles close their mouths, you still see their teeth, but when alligators close their mouths, their teeth are hidden. Learn more about these reptiles and their many evolutionary cousins in a fact-filled presentation. It...
Cornell University
Let’s Raise Lacewings
Young entomologists explored beneficial insects and how they help control pests in the first lesson of the series. Now class members take a close look at the lacewing, which is a beneficial insect.
Michigan State University
All About Rodents
Get to the know the common house mouse and the Norway rat with an activity that reinforces reading comprehension skills. Scholars read a three-page document detailing key information about mammals, specifically rodents, and use their...
Howard Hughes Medical Institute
Viral DNA Integration
How do viruses hijack our cells to produce more viral particles? Junior immunologists model how viral RNA integrates into a host cell's DNA using pop beads and use interactive tools to explore a virus' genome. The teacher's guide...
Illinois Valley Community College
STEM Activities for Middle School Students
Use STEM activities within the class to provide connections to concepts. The resource includes activities that range from working with buoyancy to building rockets and launching them. Other activities involve the engineering design...
Department of Defense
Do Dea: Biology: Unit 3: Cell Structure
In this third unit of a Biology course, students learn about cells and cell structure. They compare prokaryotic and eukaryotic cells and learn about the specialized structures in a cell and what their functions are. They will also learn...
Georgia Department of Education
Ga Virtual Learning: Biology: Ecology Ii
Through a series of multi-media learning activities, students will assess the dependence of all organisms on one another and the flow of energy and matter within their ecosystems.
CK-12 Foundation
Ck 12: Biology: Carbon Cycle
Learn about the carbon cycle.[Free Registration/Login may be required to access all resource tools.]
CK-12 Foundation
Ck 12: Life Science: Cell Cycle
[Free Registration/Login may be required to access all resource tools.] The process of cell division in eukaryotic cells is carefully controlled. The cell cycle is the life cycle of a cell, with cell division at the end of the cycle....
CK-12 Foundation
Ck 12: Life Science: Plant Reproduction and Life Cycle
[Free Registration/Login may be required to access all resource tools.] The life cycle of a plant is very different from the life cycle of an animal. Humans are made entirely of diploid cells (cells with two sets of chromosomes). Our...
Ducksters
Ducksters: Biology for Kids: Flowering Plants
Kids learn about flowering plants in the science of biology including their life-cycle, structures of a flower, fruit, seeds, and pollination.
CK-12 Foundation
Ck 12: Life Science: Ecosystems
[Free Registration/Login may be required to access all resource tools.] Ecology is the study of ecosystems. That is, ecology is the study of how living organisms interact with each other and with the nonliving part of their environment....