Students carry out an experiment to monitor diurnal fluctuations in dissolved oxygen, carbon dioxide, pH, and water temperature. They determine the CO2 and pH of the samples (and optionally, dissolved oxygen). Students complete their...

Students perform experiments designed to grow plants and bacteria in a controlled environment.  In this ecosystems lesson students investigate varying conditions for growing plants and bacteria. 

Learners identify what plants need to grow. In this plant biology lesson, students analyze the differences between an artificial plant and a live plant. Learners plant seeds and discuss what plants need to grow. Students observe the...

Fifth graders diagram and label the parts of a tree. For this lesson on how trees obtain food, 5th graders diagram and label the parts of a tree, and determine the diameter, height, and age of a tree.

Students research renewable fuels. In this alternative energy lesson, students compile information and create a comparison chart on renewable resources. This lesson includes additional suggested readings, vocabulary, and a Biomass...

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

Students investigate what dissolved oxygen is and why it is important to aquatic life and what factors influence levels of dissolved oxygen in a lake. They study how to use MS Excel to make charts to show trends and correlations.

In this plant pigments worksheet, students compare the function of 3 types of pigments: chlorophylls, carotenoids, and phycobilins. This worksheet has 23 fill in the blank, 3 drawing, and 2 short answer questions.

Students are led through three activities to explore the effect of temperature fluctuations on the growth and survival of aquatic plants, clams, and shrimp eggs.

Middle schoolers examine the role of carbon in the oceans and how phytoplankton determine the levels present. In groups, they practice measuring primary productivity using two methods. They use the internet to research the role of...

Students explore solubility of gases in water, Henry's Law, LeChatelier's Principal, and supersaturation of gases in water.

Fourth graders research and identify the different layers of the forest. As a class, they observe real-life trees or analyze a poster, and discuss the characteristics of each forest layer. Students then draw a forest and label the...

In this cell instructional activity, students read a short passage about simple cells or ground cells found in stems and leaves of plants. Students then answer four questions about the text.

Students bag trees to determine the mass of the water given off in the evapotranspiration process.

Students create graphic organizer webs that illustrate their thinking about seasonal physical and biological changes caused by changes in sunlight. They identify the central role of sunlight in living systems.

Students research carnivorous plants and how they trap insects. They role play as botanists to write a research field guide about a newly discovered imaginary carnivorous plant.

Students perform tests to determine the level of oxygen dissolved in water. After examining a table displaying the temperature and solubility of water, they examine the three stages involved in the test. Upon completion, students explain...

Third graders watch a video on the solar system and examine the role of the sun. As a class, they complete a KWL chart and make different color temperature pockets to use during their experiment. In groups, they make predictions about...

Students engage in a lesson plan of investigating the amount of water that is transpired in a one day cycle. They conduct research to find the purpose of transpiration and find information to explain the value to a plant and explain how...

In this plants learning exercise, students compare and contrast vascular and non-vascular plants. Students learn the structure and function of the 3 types of plant tissues: dermal, ground, and vascular tissue. This learning exercise has...

In this crossword puzzle worksheet, 7th graders read the definitions that relate to the protista kingdom and then complete the crossword puzzle.

In this activity, you will be able to observe the oxygen production in leaves by doing a floating leaf disk experiment. You can also find out how quickly plants produce oxygen, and what variables affect photosynthesis.

[Free Registration/Login may be required to access all resource tools.] How do trees help you breathe? This activity covers the connection between cellular respiration and photosynthesis and identifies the products and reactants of each.

Read about photosynthesis, what light and dark reactions are, the structure of a leaf, the conditions needed for photosynthesis to occur, where and how photosynthesis takes place, and how root structure impacts on photosynthesis.