Students examine how photosynthetic rates can change by using different qualities of light. They practice using spectrophotometer and the scientific method to detect the absorbance values in light treatments.

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...

Learners brainstorm what matter is and how they define it. They construct a water molecule with marshmallows and toothpicks. In addition, they watch videos to explore the use the idea of nanoscience to investigate the properties of...

Students explore the structure and property changes of water through videos and classroom discussion. They are introduced to atomic arrangement of solids by looking closely at carbon in different forms, such as graphite and diamond....

Students review safety in the biology laboratory. They summarize the rules and safety procedures by completing several activities such as practice questions, taking notes andbecoming familiar with the location of safety equipment.

For this environment worksheet, students engage in the completion of 32 sentences to find the word that is used to complete the thoughts.

In this chemistry learning exercise, students find the words that are related to atoms and molecules. The answers are found by clicking the link at the bottom of the page.

In this endocrine system worksheet, students review the structures and functions of the parts that make up the endocrine system. This worksheet has 7 fill in the blank and 6 matching questions.

In this digestion worksheet, students review the organs involved in the digestive process along with the function of these organs. This worksheet has 5 fill in the blank, 8 short answer, and 7 matching questions.

In this synaptic transmission worksheet, students determine how information is transmitted from one neuron to the next plus describe the function of neurotransmitters and neuromodulators. This worksheet has 12 fill in the blank and 4...

For this chemistry worksheet, high schoolers fill in 10 blanks with the appropriate term, they determine if 4 statements are true or false, they match 6 terms with their definitions and they answer 3 questions. Topics include areas of...

In this vocabulary worksheet, students circle the letter of the word or phrase that means the same as the words in bold. There are 14 questions on this worksheet.

Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...

In this compounds worksheet, students compare the differences between compounds and mixtures. This worksheet has 3 short answer questions.

Students explain how manufactured products depend on its function for a purpose.  In this sticky tape lesson plan students test the strength of different tapes, take measurements and record data. 

In this recognizing every day items worksheet, students observe pictures of household items that are labeled with their Spanish and English names. Students read 58 words.

In this planets worksheet, students read information about Mars, Jupiter, and Saturn and then complete 21 multiple choice, 1 true or false, and 2 fill in the blank questions.

Students gather and analyze scientific data from a local creek. Over weeks or months, students observe their local environment, collect water samples, and evaluate test results. Extension activities are suggested for evaluating...

Students explore the concept of environmental stewardship. In this science lesson, students investigate the impact of oil spills as they discuss historical spills. Students use problem solving skills to brainstorm clean-up methods.

Learners study the carbon cycle and how it cycles through our environment.  For this carbon cycle lesson students play a game that allows them to discover that carbon can take many forms and that there is not a set path.

Students select fruits and vegetables from a group of items placed in a bag. In this food pyramids lesson, students focus on the fruits and vegetables. Students understand the need to eat foods and vegetables.

Students write a report about energy use. In this conservation lesson plan, students interview adults about their use of renewable and nonrenewable energy. Students synthesize this information and write a report from the point of view of...

Fourth graders investigate the life cycle of a tree by researching the Internet.  In this plant life lesson, 4th graders observe The Life of a Tree website and discuss the life of a tree from sprout to death.  Students create a...

In this plant reproduction worksheet, students complete a crossword puzzle with 36 questions. They identify the different plant reproductive features.