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Designing Samples/Simple Random Samples
Students consider the advantages and disadvantages of various sampling techniques. They define a simple random sample and identify possible sources of bias in other types of samples. Answer Key included.
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Factorization of Integers
In this factorization of integers worksheet, student solve and complete 6 various types of problem. First, they write down the factors for each integer and find the prime factorization. Then, students factorize completely and find the...
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Addition: How Many Ways?
In this addition worksheet, 2nd graders study the various ways to add with different addends. Students are provided with 4 digits in which to write as many possible addition problems as can be made.
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Density and Buoyancy Experimental Design
Students must plan, design, and conduct an experiment that answers the scientific question: "Come up with a question that addresses the factors (variables) of the water and its effect on whether an object floats or sinks."
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Pendulums
Students construct a pendulums and experiment with what variables change or effect the rate at which they swing through an arc. They are assessed on scientific inquiry including the following skills: observation, data collection,...
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Stimulus/Response in Invertebrates
Students design and conduct and experiment to determine how invertebrates react to an outside stimulus such as light and other stimuli. Student must develop a clear plan of action, collect data in an organized manner and analyze their...
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Chemical Weathering
Students measure the effect of water temperature on the rate of a chemical reaction, similar to the interaction of a weak acid and carbonate rock, using hot water and effervescent antacid tablets.
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Water-holding Capacity of Earth Materials
Students design and conduct an experiment to test their ideas about how to speed up or slow down the rate of an enzyme-catalyzed reaction. They have access to an array of physical and chemical factors that might influence enzyme...
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Unfold the Mystery of Mold
Students research the conditions in which molds thrive. They apply the scientific method to develop a hypothesis, conduct research and test results.
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Starch and Sugar Testing 2
Students design and conduct an experiment to determine which of three solutions contain starch or sugar. This task assess students' ability to make simple observations, design simple experiments, utilize indicators, and make generalized...
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Race the Track! Jump the Gap
Students record data of using a track system with variables and how those variables affect a ball used in the track. In this track lesson plan, students design their own track in groups, test the ball's rates of speed, and record their...
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Making Marbles
Students perform a simulation in which they work for a toy company and have to figure out how many marbles of different sizes can be made with the provided material. They must design their own experiment to figure this out.
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Friction of a Block Weight
Fifth graders hypothesize and design an experiment to study the relationship between a block weight and the number of washers it takes to pull a block across various surfaces. Students graph results and apply their findings to a...
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Velocity
Students determine the average speed of a toy car as it travels six different distances set up by Students. Three trials are done for each distance. The only requirements is that the longest distance must be at least three times longer...
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Friction Restriction: Creating a Design Plan to Redesign the Tread of Tennis Sneakers to Increase Friction
Young scholars evaluate the friction of tennis sneakers and redesign them to increase friction. In this physics lesson, students calculate starting, sideways and forward stopping friction. Using quantitative data, they prove that...
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Handling Data: Coin Tossing Simulation
Students collect experimental data and record it on a frequency table. After accessing an Internet coin toss simulation site they discover that repetition of an experiment may result in different outcomes. They identify the mutually...
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Heating Crystals
Students examine the effects of heating on various crystals. They answer questions in the observation category which assess their ability to use a variety of senses to observe data in a certain way- a scientific way.
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Heating Crystals
Students examine the effects of heating on various crystals. They formulate and revise scientific explanations and models using logic and evidence. Students work individually during this experiment.
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Tadpoles
High schoolers examine tadpoles at various stages of development. They make careful scientific observations and compare the changes that occur at five different phases of a frog's life.
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Introduction To Fractals: an Inquiry
Young scholars evaluate a playful case study about a dog searching for fetching sticks to identify the steps in the science inquiry method. They read the case study and fill in a worksheet with the examples of questions, observations...
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Tallest Stack Wins
Students build a stack of pennies as tall as possible, recording the number of pennies they are able to stack before the tower falls. Then, sharing answers, they determine the average number of pennies that could be stacked.
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Ecology - Biodiversity Lab
Studnents examine the degree of biodiversity that exists in one's everyday environment, in order to develop an understanding of how scientists classify organisms and to explain why biodiversity is important for living things.
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Take A Meal Worm To Lunch
Seventh graders, using a magnifying glass, observe mealworms in a cup.
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Shh...It's a Secret!
Students explore codes, decode secret messages, and create codes of their own to use with their friends. They examine the use of gestures, letters, symbols and numbers in codes.