Students successfully count by twos, threes and fives, using pictures of eggs and poultry as points of interest. They orally review the types of counting (twos, threes, or fives). Students are introduced the idea of a dozen eggs.

Middle schoolers experiment with the concept of magnetism. Working in small groups, students design an experiment to test the magnet attraction of various substances. After completing their experiments, middle schoolers research...

Eighth graders are able to define meiosis. They are able to compare and contrast meiosis and mitosis. Students are able to state the phases of meiosis. They complete a K-W-L chart on meiosis and mitosis. Students talk about meiosis...

Students explain scientists' ideas about the structure of the atom over the last century. They develop a pictorial history of the changing ideas about the atom and write a caption describing the scientific thinking behind the model.

Students observe their own epithelial cells from the inside linings of their cheeks using DigiScope technology. They prepare a slide with both onion cells and epithelial cells and make an illustrated booklet for a PowerPoint presentation...

Students study exponential decay and its application to radiocarbon dating. In this exponential decay lesson, students use candy to model the time it takes for something to decay. Students also graph the data they collect and...

In this cell instructional activity, students chart the function of various cell structures. Students list the organization of a multicellular organism and illustrate plant and animal cells.

In this plankton key worksheet, students use drawings of phytoplankton and zooplankton to identify macro- invertebrates, diatoms and algae from a pond water sample.

In this mitosis worksheet, students examine the different phases of cell division and fill in key points on a notes page. Teacher master for overhead included.

In this fertilization activity, students complete 10 short answer questions about the phases of fertilization then place 6 events of fertilization in the appropriate order on a timeline.

In this science worksheet, learners answer 13 multiple-choice questions about mitosis and meiosis. For example, "Interphase is defined as..."

In this life cycle worksheet, 9th graders complete 3 different procedures that distinguish viruses and bacteria and inherited characteristics. First, they read the background excerpt given about bacteria and viruses. Then, students cut...

In this chemistry of food worksheet, students complete 20 various types of questions related to food and nutrition. First, they complete a crossword puzzle with vocabulary terms. Then, students use the figure shown to write the...

In this worksheet, students will answer 4 fill in the blank statements about Mendelian inheritance and meiosis. Then students will use Punnett squares to answer three short answer questions. Students will match 8 genetics vocabulary...

In this periodic table activity, students will label the atomic number, atomic mass, element name, and element symbol for oxygen. Then students will determine the characteristics of the different groups of elements on the periodic table...

In this DNA learning exercise, students will compare the chemical differences between DNA and RNA. Students will review what makes up the genetic code and the steps of transcription from DNA to mRNA to proteins. This learning exercise...

In this evolution instructional activity, students will determine the evolutionary relationships among organisms using cladograms and phylogenetic diagrams. This instructional activity has 13 short answer questions and 3 multiple choice...

In this nuclear power activity, students read how atoms can be changes and are unstable. Students compare 3 kinds of radiation and the difference between fission and fusion. Then students complete 10 matching and 2 short answer questions.

In this bonding worksheet, students read about the two different types of chemical bonding: ionic and covalent bonds. Students review ion notation and oxidation numbers. This worksheet has 24 fill in the blank, 2 drawings, and 4 short...

In this mighty microbes worksheet, students read for comprehension assessment. In this fill-in-the-blank and true and false worksheet, students answer ten questions.

In this periodic table worksheet, students complete a chart with the appropriate element symbol, the atomic mass and the atomic number. They classify elements by their groups and as metals, nonmetals or semi-metals. They also answer two...

In this electron configuration worksheet, students fill in a table with the number of electrons, the number of orbitals, the type of orbitals and the total number of electrons per orbital in each principle energy level. They then write...

In this universe worksheet, students read about the big bang theory and the evolution of the stars from the elements. Students answer four critical thinking questions about the beginnings of our universe.

In this cell analogy worksheet, students are given a story with underlined words about the production of widgets in a city. The students determine what the underlined words would represent in the analogy of the cell to the city producing...