Eighth graders observe a compound and separate it  into its component parts. In this chromatography lesson students complete and activity that demonstrates how mixtures can be separated into components. 

Ninth graders study the configuration of atoms in molecules to see that it determines the molecule's properties.  In this chemistry activity students divide into groups and complete their assigned task.

Tenth graders examine chemical reactions.  In this chemistry lesson students choose an investigation that they wish to perform based on their interest.

Students investigate radioactive atoms. In this radioactive beans lesson plan, students experiment with split peas and beans to determine what happens when a radioactive atom decays. 

In this matter worksheet, students watch a movie and then compare the differences between compounds and mixtures. This worksheet has 16 fill in the blank questions.

In this compounds worksheet, students compare the differences between and ionic compound and a covalent compound. Students explain bond dissociation energy. This worksheet has 5 short answer questions.

In this stoichiometry worksheet, high schoolers calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each...

In this creating bonds activity, students create 2-D and 3-D models of the molecular formula provided. Students complete a chart of information about the molecular formula given.

In this atom components worksheet, students label the parts of the pictured atom. Students include all the words in the word bank.

For this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...

For this water worksheet, learners compare and contrast elements and compounds. Students define chemical symbols, chemical formulas, and chemical properties. This worksheet has 19 short answer questions.

In this resources worksheet, students compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This worksheet has 56 short answer questions.

In this chemical formulas instructional activity, students practice naming molecular compounds by their formulas and determine if a gas is a compound or an element. This instructional activity has 13 fill in the blank questions.

In this matter worksheet, students brainstorm 5 examples of matter. Student write their examples of matter into a graphic organizer.

In this matter worksheet, students review the structure of matter including elements, atoms, and the periodic table. This worksheet is a graphic organizer.

In this matter worksheet, students will write down their main idea as it relates to the building blocks of matter. Then students will write 5 supporting details in this graphic organizer.

In this mole learning exercise, students will convert grams of specific compounds to moles or convert moles to grams in 5 different word problems.

In this neutral atoms instructional activity, students identify various neutral atoms found on the periodic table. They determine the number of protons, neutrons, and electrons for each neutral atom listed on the sheet. Students also...

In this atoms worksheet, students use their knowledge of the periodic table and of atomic structure to complete the table on atoms. They identify the notation for each and then the atomic number, mass number, the number of protons,...

In this ion structure worksheet, students complete a table for ions using the notations provided. They must identify and complete the atomic number, mass number, number of protons, number of neutrons, and the number of electrons for each...

In this science instructional activity, learners use the key code on the right to unscramble each of the scientists. They also match each of the scientists found to their correct description.

In this science worksheet, learners identify and locate various science related vocabulary terms. There are 21 words located in the puzzle.

For this measurement worksheet, students explore methods to measure the thickness of foil. They write an essay on how they calculated the thickness of the foil, and the number of atoms thick it is. Students create labeled sketches to...

Students practice drawing the atomic structure of several different elements. They complete critical thinking questions about atomic structure and compare the atomic mass units for different ions and isotopes of an element.