In this science worksheet, students examine some random items and estimate the mass according to the measurements given. Then they complete the lab.

In this separating solids experiment worksheet, students follow the procedures to find what physical properties could be used to separate a mixture of pepper, salt, sand and iron filings.

Students explain the processes for separating DNA from tissue and separating complex mixtures.  In this exploratory lesson students complete a lab where they extract DNA.  

Students study seawater and how temperature and salinity influence it.  In this oxygen lesson students complete a lab activity on dissolved oxygen. 

Young scholars study La Chatelier's principle and identify how carbon dioxide may affect pH.  In this coral lesson plan students complete a worksheet on pH and observe a lab.

Students examine how to prepare an experimental procedure.  In this scientific method lesson students conduct an investigation on phosphate.

Seventh graders investigate the temperature change in open and closed containers. In this earth science lesson, 7th graders relate this lab activity to greenhouse effect. They create a line graph from data collected in the experiment.

Students explore screening processes for biological activity.  For this deep sea lesson students complete a lab activity. 

Fifth graders study how to measure distance.  In this graphing motion lesson students complete a lab activity that shows them on the computer how to make graphs. 

Ninth graders study the effects of soil and rocks on filtering groundwater.  In this groundwater lesson students complete a lab activity that includes sources of contamination. 

Eighth graders study tropical and temperate rainforests.  In this rainforest lesson students complete a lab activity using the Internet. 

Ninth graders study the uses of spectroscopy and the operation of the Hubble space telescope.  In this astronomy lesson students complete a lab activity that includes graphing star color and temperature.

Students study sound and how it is created.  In this sound waves lesson students complete a lab activity that shows students the variables that affect sound. 

Students examine the process that creates limestone.  In this limestone lesson students complete a worksheet and participate in a lab activity. 

Fourth graders study flight and compare various flights.  In this measurement lesson plan students complete a lab activity and record measurements. 

Students investigate the conditions needed for cloud formation and explore how pressure and temperature effect cloud formation.  In this atmospheric pressure lesson students complete a lab on cloud formation. 

Students predict the measurement of objects. For this measurement lesson, students estimate the measurements of objects in a lab. Students measure irregular objects and generate scientific observations.

Students examine how fat, sugar and salt is manufactured and placed in prepared foods.  For this food additives lesson students complete a lab activity and fill out a worksheet. 

Students investigate buoyancy by participating in a lab experiment. In this density lesson, students utilize vinegar and alcohol in beakers and attempt to float different items in them. Students analyze which items float and do not while...

Second graders investigate the effect of melting glaciers to sea level. In this earth science instructional activity, 2nd graders simulate the process in the lab by conducting an experiment using ice cubes and clay. They explain the...

Students explore plate tectonics and the formations of the Earth's surface and why maps are distorted.  In this Earth's surface lesson students complete a lab and answer questions. 

Middle schoolers learn the basic principles of microwave cooking and prepare a dessert in the microwave using correct procedures.

Students prepare chocolate chip cookies (or another recipe of choice) in the lab to give them practice in measuring, reading a recipe, using equipment, work habits, etc.

Third graders complete various activities about clouds. They create a cloud in a lab, write a cloud story, make a cloud model and complete a webquest.