Rusty

Real life problem involving percent composition in mining.Worksheet requires students to calculate the amount of copper in 2 ore bodies to determine if it is viable for mining. Includes a key and shows all calculations. Good for high school chemistry class.

Four diagrams of the upper digestive tract, lower digestive tract, stomach, and accessory organs of the digestive system. Students label the diagram and write function below. Keys are included on the 2nd page. Documents are in a zip file and are in word format. Thanks Rusty

Food web worksheet where the students cut out organisms found on their sheet and paste them into a working food web. There are 4 different webs so students will get different ecosystems. A good hands on activity that will give your students a break from chalk and talk. Also uses trophic levels and food pyramids.

20 Chemical equations for practice on balancing chemical equations. Also type of equation is called for. Student must balance and determine the type of reaction. Reaction types are given in a sidebar. Problems get successively harder as you do the sheet. Key is included at the end of the document.

Hands on lab where the students perform a series of tasks related to blood vessels. They examine capillaries, pulse, vein structure and pressure. Materials required are minimal. There is data table to be filled out and questions for answer. Answer key is at the end of the document.

Short worksheet on the subject of chemical families. Includes references to families, Dmitri Mendeleev, ions, atomic number and mass, Bohr models and neutron number. Worksheet includes a completed key as well that follows the worksheet. Pages 1 and 2 worksheet, pages 3 and 4 key.

Worksheet that students fill in relevant blanks on the processes of photosynthesis. Includes the light and dark reactions.

Brief powerpoint of the scientists who's discoveries expanded our knowledge of atomic structure. Standard atomic structure is shown emphasizing the electron, proton and neutron. In addition instructions for calculating atomic mass, atomic number, proton number and electron number are also included.