With an enthusiastic instructor who writes clear steps on a whiteboard, this video demonstrates how to solve an inequality by dividing by a negative number. What makes this video stronger is the second part of the video, in which the...

In this compounds worksheet, students compare ionic, covalent, and polyatomic compounds and give examples of each type. This worksheet has 1 matching, 3 problem solving, and 4 short answer questions.

Household materials can be used for more than cleaning! In this collaborative experiment, emerging chemists use products such as vinegar and liquid antacid to explore chemical reactions that commonly occur in the human body.

Introduce the concept of domain and range with a video that starts with the formal definitions of the domain and range and moves on to the practical descriptions used to determine them. The presentation explains how to find the domain...

In this compounds activity, students learn the rules for naming compounds, the stock system. Students apply these rules by writing the names or formulas for the 20 given compounds.

In this chemical compounds worksheet, students determine is compounds will act as acids or bases when added to water. Students compare basic, acidic, and amphoteric anhydrides. This worksheet has 15 fill in the blank, 2 short answer...

In this sentence clauses worksheet, sixth and seventh graders read ten sentences and write down whether the sentence is: simple, compound, complex or compound-complex.

In this compound machine activity, learners review what simple machines are put together to make compound machines. This activity has 5 fill in the blank and 2 short answer questions.

In this compounds worksheet, students read how to name binary covalent compounds and then practice by naming 10 binary covalent compounds.

In this writing formulas worksheet, students write the formulas for 15 complex ionic compounds and name their anions and cations. Students must balance the charges on the ions and determine the formula.

In this inequality word problem worksheet, students solve ten word problems related to algebra and inequalities. They first determine how many pounds of cheese it would take to make a specific amount of grated cheese topping. Students...

In this chemical compounds activity, students determine the mechanism for chemical reactions, predict the products for given reactions, and write in the structure for compounds. This activity has 5 problems to solve.

In this matter worksheet, students review the three forms of matter by reading a poem and completing 1 matching and 5 short answer questions.

The addition property of inequality is just like the addition property of equality. They each state that whatever is added to one side of the equation or inequality must be added to the other side. Watch this video and see how the...

Use the addition property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.

Use the subtraction property of inequality to solve this problem. It's just a one step solution and then the instructor shows how to write the answer in set builder notation.

Don't be afraid of this word problem because it has an inequality. There is only one variable and this inequality can be solved in one step. It's pretty straightforward.

About 18 percent of the human body is carbon, yet carbon found in its pure form in nature forms graphite and diamonds, which are nonliving things. The narrator explores the word organic, explaining how its meaning in science has changed...

In this naming acids instructional activity, students are given a chart with polyatomic ions and acid names with oxidation states, prefixes and suffixes. They use the chart to help name the eighteen given acids.

In this endothermic and exothermic reactions worksheet, students experiment with water and a salt of choice to determine if heat is absorbed or released in the reaction. Students take the temperature of their solution over a 2 minute...

In this acids and bases worksheet, students learn the differences between an acid and a base and how pH is used to measure the strength of an acid or base. Students read about pH and acid rain. This worksheet has 10 matching and 20 fill...

In this main group learning exercise, students apply their knowledge of the organization of the periodic table to correctly answer 30 multiple choice questions. Students relate information about the properties of the different groups and...

Chemistry lab learners experiment to identify a series of unknown compounds. They choose which tests to perform, but you may suggest melting or boiling point, solubility, electrical conductivity, and malleability. This is a terrific...

Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...