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 instructional activity students divide into groups and complete their assigned task.

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

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

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

For 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, students 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 chemical...

In this creating bonds worksheet, 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.

In 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...

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

In this chemical formulas worksheet, students practice naming molecular compounds by their formulas and determine if a gas is a compound or an element. This worksheet 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 worksheet, students will convert grams of specific compounds to moles or convert moles to grams in 5 different word problems.

In this neutral atoms worksheet, 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 identify that Z...

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

In 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...

Learners 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.