In this pronouns vocabulary skills worksheet, students examine the 16 words in a word bank and use them to fill in the blanks in 16 sentences.

Students balance chemical equations and solve for gram to mole ratios.

What is the difference between accuracy and precision? This worksheet has students define the terms accuracy and precision, and compare bulleye diagrams to find examples of both. Students analyze given data and determine the accuracy and...

Third graders investigate different energy conversions through hands-on activities. In this energy lesson, 3rd graders move through four stations and conduct experiments illustrating energy conversions. Wave energy, chemical energy,...

Learners collect data, organize and analyze the data and compare it to real life scenarios. This assignment requires two class periods.

Students are introduced to the periodic table of elements. They devise and perform and experiment in which they determine the density of specific elements. They use their results to predict the density of other elements in the same group.

Students explore how rechargeable batteries work by conducting a series of experiments. In this physics lesson, students discuss the benefits of using rechargeable batteries over disposable ones. They build their own battery charger...

In this atomic spectra worksheet, students answer eighteen questions about wavelengths of light, the emission spectrum, energy of photons, the frequency of electromagnetic radiation and electrons in the excited state.

Students study the types of diabetes and why insulin is important.  In this diabetes lesson plan students build molecular models and create a healthy lifestyle plan. 

High schoolers identify auxins from their structural formulas. They understand the process of refluxing in chemical synthesis. Students perform thin layer chromatography using silica gel plates to differentiate chemical substances.

Students investigate the rate of a chemical reaction. In this rate of reactions lesson plan, students use an electronic balance to measure the change in mass of a chemical reaction between hydrochloric acid and calcium carbonate. They...

Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.

Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...

Students identify the different parts and functions of the cardiovascular system. In this forensics lesson, students collect and analyze evidence on a fictional crime. They describe different causes of cardiac arrest.

High schoolers compare different types of pressure sensitive adhesive tapes. They fevelop and carry out tests for variables affecting the force needed to peel tape off a surface. Students analyze the time needed to peel the tape with...

Students explore the flow of magma. They observe the effect of silica and heat on lava flow through a model using everyday items. in addition, they complete analysis questions.

Students explore solid, liquids, and gases. In this science lesson plan, students distinguish similarities and differences of matter and recognize that different states of matter may appear in one substance.

In this math skills worksheet, learners find percentages, they convert from ordinary notation to scientific notation, they convert from scientific notation to ordinary notation and they manipulate algebraic expressions.

Students investigate the importance of significant figures through measuring and estimating. In this estimation and significant figures lesson plan, students measure pieces of paper and round their figures to the nearest marking on the...

Students investigate why and how popcorn pops. In this gas lesson plan, students observe and make suggestions as to what causes popcorn to pop after observing popped corn and corn kernels. Students mass the kernels before and after...

Students investigate the chemical composition of pennies dated 1983 or later. For this chemical composition of American coins lesson plan, students scratch the surface of the penny to expose the zinc core. They put the penny in...

Students participate in a forensic science activity.  For this crime solving lesson, students investigate fingerprints, and other crime scene evidence to solve an imaginary crime. 

Students identify the different leaf pigments and colors. In this biology lesson, students perform chromatography to separate them. They explain how light affects green leaf colors and causes falling leaves in autumn.