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Curated OER
Weather or Not
Hypothetical meteorologists' quotes help young earth scientists become acclimated to weather vocabulary. The terms are all related to air masses and forms of precipitation. This is a fun way to discover if your learners are truly...
Royal Society of Chemistry
Some Reactions of Carbon Dioxide—Microscale Chemistry
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium...
Pingry School
Solubility Product of an Ionic Compound
How do scientists determine when a solution is fully saturated? Scholars address the topic as they observe patterns of precipitation in various concentrations of ions. Using a well plate, pipette, and common chemicals, they collect data...
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Pingry School
Comparing Activities of Selected Metals
Don't overreact! A simple experiment demonstrates chemical reactions as scholars mix chemical solutions and metals in a large well plate. They note all changes to the metals, solutions, precipitate, colors, and more. A full data table...
Creative Chemistry
Oxidation of Ethanol to Ethanal
Here is a laboratory exercise in which chemistry masters conduct an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. This activity is aimed at...
NOAA
The Cycle of Water
Young water cycle enthusiasts discover the water they have been using has been cycling around the earth for billions of years. Through presentations, learners will understand that water has three states and how these forms...
Curated OER
What is a Chemical Reaction?-Evidence of Change
In this chemical reactions worksheet, students experiment with hydrochloric acid and copper (I) chloride to identify the types of reactions they undergo with various other substances. They also observe the law of conservation of mass and...
K12 Reader
Water Cycle
solid, liquid, and gas. The three different forms of water are the subject of the article used to assess reading comprehension. After reading the article, kids respond to a series of comprehension questions based on the text.
Curated OER
Limiting Reagents and Percent Yield Problems
Twelve questions about the various calculations of mass and yield are given here. There is significant practice of molarity calculations and consideration of the reactant and product balance.
Signing Time Foundation
What is the Water Cycle?
Dive into an exploration of the water cycle cycle with this simple earth science lesson. After first discussing where rain comes from, young scientists define the terms condensation, evaporation, transpiration,...
Curated OER
Types of Chemical Reactions
In this chemical reactions instructional activity, students are given directions about three types of reactions and how to write balanced equations for each. They then are given ten practice problems to complete using the information given.
Curated OER
Precipitate Lab
This lab guide gets chemistry learners to determine the identity of five unknown solutions based on reactions with four known solutions. Pupils perform experiments, they write down their observations, they write net ionic equations for...
Creative Chemistry
What is the Percentage of Copper in "Copper" Coins?
Whether in the UK or the US, the mass of the copper in a copper alloy penny can be determined. If you are in the US, note that on the lab sheet, a penny is identified as a "1p piece." The penny is dissolved by young chemists in nitric...
It's About Time
The Nitrogen and Phosphorous Cycles
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...
Curated OER
Types of Chemical Reactions
In this chemical reactions activity, students read about the 3 types of chemical equations and how to write balanced ionic equations. Students are given 5 equations to balance, write the type of reaction, write the total ionic equation,...
Curated OER
Clouds and Precipitation Review
In this science worksheet, students review the concepts that tie the relationship of clouds and how they collect precipitation in response to changes in humidity.
National Institute of Open Schooling
Chemical Kinetics
Not all chemical reactions happen at the same rate because some, like explosions, occur quickly and some, like rusting, occur over time. Here, learners explore chemical reactions and their rates in the 16th lesson of 36. Through readings...
Curated OER
Version 001 – Exam 1 – David Laude (53015) 1
A 30-question multiple choice chemistry test challenges takers. Topics touched upon include thermochemistry, equilibrium, behavior of gases, and pH. Problem solving is required in order to answer most of the questions. Other questions...
Worksheet Web
Let it Snow
After reading an informational text detailing the ins and outs of snowflakes, scholars draw their own special design then work cooperatively to role play a snowman building scenario.
K12 Reader
Extreme Weather
Thunderstorms, tornados, blizzards, hurricanes. These extreme forms of weather are the focus of an article on a two-part reading comprehension worksheet. After reading the passage, kids use information in the text to respond to a series...
Curated OER
Qualitative Analysis
In this qualitative analysis worksheet, students read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide...
Curated OER
The Water Cycle
In this science worksheet, students learn about the water cycle by reading 4 information paragraphs about evaporation, condensation, precipitation and infiltration/ collection. After each paragraph, students draw a picture of that process.
Curated OER
Chemistry Lab: Solubility Product Constant of Sodium Chloride
In this solubility product constant of sodium chloride worksheet, students gather the equipment needed and follow the procedures to determine the solubility product constant of a solute and demonstrate precipitation of a common ion to a...