Chymist
Plop, Plop, Fizz, Fizz
One of the most recognizable commercial melodies was written in 1977, and led to gastronomical relief around the world. Scholars use Alka Seltzer tablets to measure reactants and calculate the chemical equation for the reaction of NaHCO3...
National Wildlife Federation
The Amazing Adventures of Carbon: How Carbon Cycles through the Earth
Here's a stat for your pupils: 18 percent of the human body is carbon! Part 10 in the series of 12 takes pairs on an adventure through the carbon cycle. After a class reading about carbon, pairs read and choose their own adventure...
Chymist
Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
Cold Spring Harbor Laboratory
Some DNA Does Not Encode Protein
Roy John Britten easily earned a PhD in nuclear physics—but he found painting with water colors too difficult. Young scientists learn about Britten's life, career, and research with an online interactive. They read a biography, view...
Curated OER
Solids and Water
Learners investigate mixtures made of water and familiar solid materials. They observe and discuss the changes that occur immediately and set the mixtures aside for a day. Finally, students observe the mixtures, note changes, and graph...
Curated OER
Salt & Sand
In this science worksheet, students find the terms that are related to the concept of the ocean salt and sand. The answers are found by clicking the link at the bottom of the page.
Curated OER
Solution Shapes
In this solutions activity, students soak a pipe cleaner in hot water and a supersaturated solution of 20 Mule Team Borax. Students leave their pipe cleaner in the solution for 30 minutes and then observe. They put it back in over night...
Curated OER
Surface Water and Groundwater
Students examine distribution of water and minerals. In this surface and groundwater instructional activity, students conduct an experiment with fresh and salt water making hypothesis and drawing conclusions about minerals.
Curated OER
Biotic and Abiotic Factors
In this biotic and abiotic factors worksheet, students complete 20 various types of questions related to biotic and abiotic factors. First, they write the vocabulary word that best completes the sentence. Then, students state an example...
Curated OER
Hunting for Aqueous Solutions
In this aqueous solutions worksheet, learners will conduct an experiment to determine the solubility of different common kitchen items. Students then complete 3 short answer questions.
Curated OER
Ocean Water
In this ocean water worksheet, students use 6 given terms related to ocean water, early Earth and ocean components to complete the sentences. They also answer 4 questions about seawater, the effects of volcanoes on oceans and ocean life.
Curated OER
Planets in a Bottle
Students experiment with yeast. For this environmental conditions lesson students test the viability of samples of yeast. Students investigate the effects of environmental conditions on the yeast.
Curated OER
Sense of Taste
Learners swab different sections of the tongue to identify taste buds. In this sense of taste lesson, students make predictions and conduct an experiment. Learners experiment with a variety of flavors and discuss results of the...
Curated OER
The Human Organism
In this digestion and nutrition lesson, 3rd graders test foods to find their vitamin content. Students test for starch and fats then compare their findings on charts and oral reports. The lesson concludes with a teacher directed...
Curated OER
Chemistry: Acids and Alkalis
Students identify substances that are acids and alkalis. In this acids and alkalis lesson, students conduct tests to determine if given substances are acids or alkalis. They test substances and explain the different qualities that make...
Curated OER
What happens to water before we use it?
Students examine how water is treated prior to becoming available for human consumption. In this water treatment instructional activity, students conduct an experiment in which they filter water. Students formulate a hypothesis, test,...
Curated OER
Acids and Bases
In this acids and bases activity, students conduct an experiment to determine if solutions are electrolytic or nonelectrolytic. After completing the experiment, students answer 1 short answer question.
Curated OER
Groundwater
In this groundwater activity, students use 12 given terms and match them to their definitions related to characteristics of groundwater and the components of the ground where the water travels. Students also fill in 5 blanks with given...
Curated OER
Tree Birthdays
Students investigate the growth of trees. In this tree growth lesson plan, students discover that trees make a ring each year they live. Students use new voabulary such as bark, phloem, and cambuim to talk about tree parts. Students...
Curated OER
Dissecting Owl Pellets
Students dissect owl pellets. In this dissecting owl pellets lesson, students discuss birds of prey and make predictions about what they may find during the investigation. Students tease out skull and bones and try to make a complete...
Curated OER
Mixtures of Matter
Students experiment with solids and liquids. In this mixtures of matter lesson, students combine matter to form solutions. Students hypothesize, test, and analyze the data to draw conclusions. The lesson can be extended by having...
Curated OER
Ecosystem Damage from Household Cleaners
Third graders assess the damage done to various ecosystems by cleaning products and discover how scientists test water quality. Using stream water and common household cleaning agents, they work in groups to test for pH levels. Once...
Curated OER
Snapshot Day Definitions & Activities
In this watershed worksheet, students read through related definitions and complete 17 short answer questions about deposition and erosion in the Hudson River.
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...