Curated OER
Gas Law Investigation
Investigators collect the carbon dioxide produced when an antacid tablet is activated and identify what alteration produced the most gas. They also collect the gas in a buret in order to practice precision. Then they choose between two...
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...
American Chemical Society
The Energy of Evaporation
Do all liquids evaporate at the same rate? Young scientists observe the evaporation rate of three different liquids. They measure the time, the temperature, and the change in energy. After comparing the chemical formulas, scholars...
Curated OER
Solids and Water
Students 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 worksheet, learners 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 lesson, 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, students 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 instructional activity, 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...
Curated OER
Planets in a Bottle
Students experiment with yeast. In this environmental conditions instructional activity students test the viability of samples of yeast. Students investigate the effects of environmental conditions on the yeast.
Curated OER
Sense of Taste
Young scholars swab different sections of the tongue to identify taste buds. In this sense of taste lesson, students make predictions and conduct an experiment. Young scholars experiment with a variety of flavors and discuss...
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 lesson plan, students conduct an experiment in which they filter water. Students formulate a hypothesis, test, analyze data,...
Curated OER
Acids and Bases
In this acids and bases worksheet, 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
For this groundwater worksheet, learners 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, 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 create a...
Curated OER
Dissecting Owl Pellets
Students dissect owl pellets. In this dissecting owl pellets instructional activity, 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...
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
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...
Curated OER
WS 7.2 Kinetic Theory-Temperature and Volume
In this kinetic theory worksheet, students answer questions about kinetic energy, they calculate volumes of gases at STP, they answer questions about temperature and they convert from one unit of temperature to another.
Mr. E. Science
Acids, Bases and Solutions
If you are not part of the solution, then you are part of the precipitate. The presentation covers solutions, suspensions, solubility, dissociation, and acid/base reactions. This is the 19th lesson in a series of 26.