How and why do populations change over time? AP biology aces explore this question by completing this assignment. They write the answers to 21 questions regarding population genetics, stability, genetic drift, polymorphism, and...

This doesn't have to be used as a guided notes worksheet because the questions are thought-provoking and applicable to any biology class that is learning about the origin of species. Pupils write out answers to questions about...

A lot of learning is packed into these 23 questions about ecosystems. Advanced biology classes apply their knowledge of communities, productivity, biogeochemical cycles, and human impact on the environment by writing short answers for...

A four-page assignment contains 28 stereochemistry problems for your advanced placement chemists. Topics addressed include asymmetric carbons, enantiomers and diastereomers, meso compounds,and  chiral and achiral molecules. The...

Kim B. Foglia has designed a comprehensive series of AP biology worksheets. This one focuses learners on the progression of photosynthesis in plants. In this assignment, they identify structures and steps on high-quality diagrams, use...

Get an in-depth look into erosion and deposition with a 23-slide presentation that details how gravity, water, waves, wind, and glaciers cause changes to the Earth's surface. Each slide consists of detailed images equipped with labels,...

Based on chapter 23 of the Glencoe science textbook, this activity provides students with a table of observed sunspots and the years in which they were observed. Students then answer a series of questions about the above information,...

Don't be fooled by the title - this biology quiz could serve as an AP biology or college-level biology quiz. Some of the molecules represented may be difficult to identify without seeing the textbook from which this is based. It could...

Students discuss the factors that make a good children's book. After reading an article, they explore the prevalence of science in children's literature. In groups, they research a topic and translate it into easy language for a child...

In this ecology worksheet students complete a crossword puzzle that incorporates all of the ecological vocabulary in the word puzzle.

For this environmental science worksheet, students complete a crossword puzzle with 26 questions about human impact on the environment.

The lessons in this learning guide are designed to increase youngsters' awareness of the impacts of marine debris and to teach them about pollution prevention techniques. This fabulous, 30-page packet is chock full of important...

Adaptations must be made as environments change. This fabulous presentation features Icelandic icefish, a transparent, scaleless specimen that even has colorless blood. Genetics and adaptations concepts are explored as scientists study...

What factors make up climate? How does longitude and latitude affect climate? What is causing Earth's climate to change? These questions are the topic of a presentation that explains characteristics of climate and climate change.

Spark interest in the body structure of vertebrates with this comprehensive and colorful instructional activity. Your biology class will explore the levels of organization, primary tissue types, and the main organ systems. Finally, they...

Being able to test a hypothesis is a scientific must. AP Biology pupils can see the process of hypothesis testing through evidence for evolution as seen in natural selection. Slides contain solid information and excerpts from academic...

These slides will activate prior knowledge with real-life examples of natural selection. The predictions and outcomes for those examples are explained. Your students will like the information about the relevant chromosome tests that can...

Get things moving with this extensive collection of physical science resources. Covering the fundamentals of measurement, graphing, lab safety, and experimental design as well as the specific scientific concepts...

Watson and Crick built the first model of DNA in the 1950s, and our understanding of DNA since then continues to grow exponentially. Scholars learn about protein synthesis by observing a presentation and completing a worksheet. Both walk...

In this plant worksheet, learners review the structure and function of roots, stems, and leaves. This worksheet has 5 matching, 7 true or false, 4 multiple choice, and 10 fill in the blank questions.

In this fungi worksheet, students will review the different types of fungi and the structures these fungi have for reproduction and growth. This worksheet has 5 terms used in word puzzles, 5 matching, and 5 true or false questions.

In this plants worksheet, students review 17 vocabulary words associated with the different types of plant cells and tissues. This worksheet has 17 matching questions.

In this energy changes, rates of reactions and nuclear chemistry worksheet, high schoolers solve 14 problems to review concepts about endothermic and exothermic reactions, heat of combustion, heat of reactions, enthalpy, kinetic and...

In this cellular respiration learning exercise, learners answer 34 questions in a variety of types including fill in the blank, short answer and matching. All questions focus on specific parts of the respiration process.