Curated OER
Determination of Water Hardness
Students investigate water hardness. In this water hardness lesson plan, students determine the water hardness in 4 samples of water after buffering each. By using titration and an indicator, students can determine the amount of calcium...
Curated OER
How Soluble Is It?
Is sugar more soluble than salt? Experiment with water and solubility with an elementary science activity. After interpreting data from a bar chart, fifth graders use different types of sugar to determine if the size of sugar particles...
National Research Center for Career and Technical Education
Business Management and Administration: Compound Interest - A Millionaire's Best Friend
Many math concepts are covered through this resource: percentages, decimals, ratios, exponential functions, graphing, rounding, order of operations, estimation, and solving equations. Colorful worksheets and a link to a Google search for...
Curated OER
Rate of Solution
Eighth graders determine the amount of agitation necessary to dissolve various sized sugar particles. This task assess students' abilities to collect, organize, and interpret data, create appropriate graphs, predict future events based...
American Chemical Society
M&M's in Different Sugar Solutions
To conclude a mini unit on the dissolving of M&Ms® candy coating, this lesson investigates whether or not the concentration of sugar in the solvent affects the dissolving rate. Consider having older science learners write their own...
NOAA
Please Pass the Salt
Salinity is the focus of two experimenters that work to answer the question, How does salt change the physical properties of water? Super scientists compare the freezing rate of salt and fresh water, combine the two waters to...
Curated OER
Picture Fists Full of Kisses
Ease children's back-to-school jitters with this primary grade lesson based on the book The Kissing Hand by Ruth E. Harper. Starting off with a singing of the song "I Wish I Had a Little Red Box", children go on to discuss and...
Curated OER
Chemistry Crossword
For this chemical reactions worksheet, students complete a crossword puzzle by figuring out the vocabulary words associated with 34 clues.
Curated OER
The Ins and Outs of Equilibrium
In this equilibrium worksheet, students read about phase equilibrium and dynamic equilibrium. They answer nine questions based on their reading and their background in chemistry.
Glynn County School System
Earth's Magnetic Field and the Moon
The surface of the moon has an amazing tale to tell. Learn about the moon's story with a PowerPoint presentation that describes the unique features of the moon's surface as well as explains its movement in relation to Earth.
Curated OER
Photosynthesis
Students conduct experiments with plants. In this photosynthesis lesson, students examine plants under different types of lights. They calculate the amount of dissolved ocygen concentration and compare it to the formula for...
Curated OER
Dissolved Oxygen
Students examine characteristics of dissolved oxygen. Given a stream temperature, and stream conditions, students study the relationships of the dissolved oygen in a stream, in organic waste loads.
Curated OER
Rate of Solution Demonstration
Students explore the factors that can increase the rate of dissolution for a solid. They complete a laboratory exploration in which they compare the dissolution rate of a whole sugar cube to that of a crushed sugar cube in a variety of...
Curated OER
Water - the (Nearly) Universal Solvent
For this water worksheet, students explore the reasons why water is considered a universal solvent. Students compare different ways to change the dissolving rate of a solute. This worksheet has 11 fill in the blank and 8 matching questions.
Curated OER
Mixtures
Students observe that movement of a solute in the solvent increases the rate of dissolution. They demonstrate that when the solute is broken into smaller pieces it dissolves faster.
Curated OER
AP Biology Lab Review
A seventy-two slide PowerPoint that reviews several lab explorations done in an AP Biology course. For each lab there is a description, concepts, and conclusions. Many pictures and graphics make this visually appealing, but it would not...
California Academy of Science
Global Climate Change and Sea Level Rise
Ice is nice, and its condition on the planet has a significant effect. Junior geoscientists experiment with ice melting in both water and on land to discover how each affect the rising sea level. This detailed instructional activity...
Baylor College
Why Circulate?
Lub-dub, lub-dub. Why does the heart beat? Why does blood circulate throughout the body? Life scientists find out how important circulation is for dissolving and dispersing materials by timing how long it takes for food coloring spread...
Curated OER
Drugged Out Daphnia
Ninth graders participate in experiments to investigate the the effects of nicotine, caffeine, aspirin, alcohol, and sleeping pills on the heart rates of Daphina. They describe the relationships between common drugs and heart rates....
Curated OER
WATER QUALITY FOR FRESHWATER ORGANISMS
Learners use determination of dissolved oxygen and water temperature changes to determine the environmental impact from thermal pollution.
Curated OER
Diffusion through Membranes
Students identify diffusion and its processes through experimentation and calculations. They also use a CBL and conductivity probe to measure the conductivity of various solutions and study the effect of concentration gradients on the...
Cornell University
Investigating and Modeling Hardness
Model hardness testing with a self-designed hardness test. Young scholars rate the hardness of different types of aspirin using the Vicker's Hardness scale. They then relate hardness to the solubility of each aspirin tablet.
Curated OER
Weathering Lab
Assist your middle school class with one of the most inclusive weathering and erosion labs available. Individuals use sugar cubes and alka-seltzer to demonstrate the process of physical and chemical weathering. They sketch results...
Curated OER
Physical And Chemical Changes
In this physical and chemical change activity, students solve 13 clues in a crossword puzzle focusing on rates of chemical reactions and changes in the state of matter.