Pingry School
Replacement of Hydrogen by a Metal
As the most abundant element on the earth, hydrogen requires no replacement. Yet scholars learn to replace hydrogen with a metal to liberate the hydrogen gas. A simple procedure and data table include the necessary information and...
Pingry School
Isotopes and Atomic Mass – Determination of the Average Atomic Mass of Pastium
Sometimes modeling is the best approach to working with microscopic particles. A lab investigation models a fictional element using pasta. The setup uses three different pasta types to represent three different isotopes. Learners...
K5 Learning
Mixed Practice Word Problems #8
Six questions make up a mixed practice worksheet. Scholars use their knowledge of addition, subtraction, multiplication, money, perimeter, ounces, and pounds to solve word problems with numbers up to 66,000.
Aquarium of the Pacific
Lego Molecules
Young scientists construct an understanding of molecular compounds in this hands-on science lesson. Using LEGO® to model the atoms of different elements, students build molecules based on the chemical formulas of common compounds.
Net Texts
Hess's Law Worksheet
Challenge young scholars' understanding of thermochemistry with this skills-practice worksheet on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall change in entropy...
Curated OER
Percentage Composition
In this chemical compounds worksheet, high schoolers determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
Curated OER
pH of Solutions
In this pH activity, students describe the pH scale and explain the initials "pH." Students classify solutions as acidic, neutral, or basic. Students name compounds as acids or bases. This activity has 3 short answer questions and 5 fill...
Curated OER
Lewis Structures and Geometries
For this chemical compounds worksheet, students draw the Lewis structure, draw the resonance structure, and give the geometry of the underlined atom. This worksheet has 8 problems to solve.
Curated OER
Chemistry - Naming and Formulas
In this compounds worksheet, students write the correct name of the chemical formulas given and write chemical formulas for the given compound names. This worksheet has 42 problems to solve.
Curated OER
Photosynthesis
In this biology instructional activity, students explain where the energy of food originally came from. Then the explain one of the principal chemical compounds that living things use to store energy. Students also describe how ATP and...
Curated OER
Geometric Isomers
In this isomers worksheet, learners write and label the cis-trans isomer for the given compounds. Students name the compounds shown in the bow-tie structures. This worksheet has 2 problems to solve.
Curated OER
Lewis Structures and Bonding
In this compounds worksheet, students complete a graphic organizer by filling in the chemical compounds structure, resonance, geometry, hybridization, and bond angles. Then students complete 2 short answer questions.
Curated OER
Hybridization
In this chemical compounds worksheet, students draw the Lewis structure and "cloud" structures for given compounds. Then students match the Lewis structure with the correct cloud diagrams. This worksheet has 2 problems to solve.
Curated OER
Chemistry - Naming and Formulas
In this compounds activity, students name the given compounds from its chemical formulas and write the chemical formula from the compound name. This activity has