Khan Academy
Khan Academy: Making a T Interval for Paired Data
In some studies, we make two observations on the same individual. For instance, we might look at each student's pre-test and post-test scores in a course. In other studies, we might make an observation on each of two similar individuals.
Concord Consortium
Concord Consortium: Stem Resources: Photosynthesis
This activity introduces the concept of plant color being determined by pigments, which interactive with light. The idea that chlorophyll is used by plants for energy is then discussed, along with the first step of the photosynthetic...
McGraw Hill
Mc Graw Hill: The Science of Biology
Discover what you know about the science of biology by taking this post test.
McGraw Hill
Mc Graw Hill: How Cells Divide
Discover what you know about how cells divide through this post test.
McGraw Hill
Mc Graw Hill: Sexual Reproduction and Meiosis
Discover what you know about sexual reproduction and meiosis by taking this post test.
McGraw Hill
Mc Graw Hill: Patterns of Inheritance
Discovery what you know about patterns of inheritance by taking this post test.
McGraw Hill
Mc Graw Hill:chromosomes, Mapping and the Meiosis Inheritance Connection
Discover what you know about chromosomes by taking this post test.
McGraw Hill
Mc Graw Hill: Nature of Molecules
Discover what you know about the nature of molecules by taking this post test.
McGraw Hill
Mc Graw Hill:the Chemical Building Blocks of Life
Discover what you know about the chemical building blocks of life by taking this post test.
McGraw Hill
Mc Graw Hill: Transport in Plants
How much do you know about transport in plants? Take this post test to find out.
McGraw Hill
Mc Graw Hill: Cell Structure
Discover what you know about cell structure by taking this post test.
McGraw Hill
Glencoe: Biology: The Endocrine System Posttest
A five-question post test over the endocrine system. After students submit answers, they can review their results.
McGraw Hill
Mc Graw Hill: Membranes
Discover what you know about membranes by taking this post test.
McGraw Hill
Mc Graw Hill: Behavioral Biology
Find out what you know about behavioral biology by taking this post test.
McGraw Hill
Glencoe: Biology: Population Ecology
Find out what you know about population ecology by taking this interactive post test.
McGraw Hill
Glencoe: Biology: Dynamics of Ecosystems
Find out what you know about the dynamics of ecosystems by taking this post test.
McGraw Hill
Mc Graw Hill: Energy and Metabolism
Discover what you know about energy and metabolism by taking this post test.
McGraw Hill
Mc Graw Hill: How Cells Harvest Energy
Discover what you know about how cells harvest energy by taking this post test.
McGraw Hill
Mc Graw Hill: Photosynthesis
Discover what you know about photosynthesis by taking this post test.
McGraw Hill
Mc Graw Hill: Cell Communication
Discover what you know about cell communication by taking this post test.
Towson University
Towson University: Ows: Self Teaching Unit: Comma Splices and Fused Sentences
This lesson starts with the simple sentence and explains sentence parts, independent clauses, types of sentences, coordinating conjunctions, conjunctive adverbs, and sentence errors (comma splices and fused sentences). Links to practice...
Science Education Resource Center at Carleton College
Serc: Teaching Radioactive Decay & Radiometric Dating
A laboratory activity that teaches the difficult concept of radioactive decay by means of a fluid (shampoo) flowing through holes from an upper to a lower beaker. Using the exponential decay equation, students then 'date' the shampoo....
Information Fluency
Imsa 21 Cif Portal: Searching for Non Html Formats?
Micro-Module provides instruction on searching documents in non-HTML formats. Find out about specilized search engines for alternate file formats. Also contains godd charts summarizing file extensions of alternate formats. Following the...