Students investigate how trees produce their own food. They examine chlorophyll cells with a microscope, analyze a cross section of a log, determine how old the tree was, simulate the distance of the roots, and create a play.

In this paramecium worksheet, students sharpen their science skills as they color the parts of a paramecium according to the instructions and then respond to 15 analysis questions.

Students examine the different parts of a plant and each ones role.  For this exploratory lesson students complete several activities including a game of charades.

Sixth graders label diagrams of the 6 different classes of mollusks and explain the meaning of the labeled terms. They identify 8 common New Haven shells. They organize their own shell collection during this series of lessons.

After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.

Students summarize their classmates' presentation in class. For this biology lesson, students create a graphic organizer based on concepts presented. They discuss and share their organizer.

In this brain activity, students describe three jobs of the brain, draw a picture of a neuron and label its parts, and determine what to do to keep the brain healthy. This activity has 1 drawing and 2 short answer questions.

Students study cell theory and the link between it and technology.  In this cell theory lesson students examine the importance of cell theory. 

Young scholars study the livers parts and functions then follow a lab experiment to watch first hand how the gut uses bile to physically break down fatty substances into smaller pieces.

Fourth graders complete with the class a KWL chart and discuss prior knowledge of orchestras. They visit websites to discover instruments and families of the orchestra and discuss appropriate audience behavior prior to going to a concert...

Here is an attractive learning exercise that walks chemistry learners through a review of aqueous solutions. There are matching, short answer, and multiple choice questions dealing with boiling and freezing points, precipitate, molality,...

A great way to learn about molecular structures is to make a model. Gumdrops and toothpicks are used to construct crystal models. The models are based on theories of crystal shapes that occur because of positive and or negatively charged...

Students investigate how to optimize the power output of a photovoltaic cell using a home-made gnomon stand. They use data collected to create current-voltage and power-voltage curves to determine the "maximum PowerPoint," (MPP) at which...

In this protist instructional activity, students complete a crossword puzzle with 34 questions about the behaviour and different types of protists.

Student identify the characteristics of plants. Through hands-on demonstration, they create a model of plant parts. Students differentiate between the major divisions of the plant kingdom with a particular emphasis on the vascular and...

In this muscles worksheet, students review the characteristics of the 3 types of muscles: smooth, skeletal, and cardiac. This worksheet has 7 matching and 4 short answer questions.

In this biology worksheet, learners complete a crossword puzzle with 39 questions on taxonomy. They identify the different classification systems used in biology.

Students examine the positive benefits and negative consequences of genetically modified organisms following a lecture covering key biotech concepts and techniques. Students then conduct and experiment comparing the travel rate of...

In this nutrient biochemistry activity, students complete the blanks with information about nucleic acids and the process. Students also draw a figure referenced in the text given.

Students perform experiment in which they model convection as it occurs in our Sun. They also explain that convection acts where the effect of gravity and heat are present (low density fluids can rise and cool, and high density fluids...

In this English worksheet, students read "Red Meat Increases Risk of Cancer," and then respond to 1 essay, 47 fill in the blank, 7 short answer, 20 matching, and 10 true or false questions about the selection.

Biology learners investigate the effect of sucrose concentration on yeast alcoholic fermentation. During the lesson,they compare and contrast the processes of cellular respiration and alcoholic fermentation. They design an experiment to...

Learners see DNA as a physical building block of organisms and comprehend the basic structure of DNA and the specific components in its structure. They can explain the specific nature of base-pair matching in DNA and that DNA bases form...

Students investigate our society's pressures to conform to standards of beauty - particularly to be thin - and the related prejudice against being "overweight."