In this activity, students investigate the simulated use of solid rocket fuel …
In this activity, students investigate the simulated use of solid rocket fuel by using an antacid tablet. Students observe the effect that surface area and temperature has on chemical reactions. Also, students compare the reaction time using two different reactants: water and vinegar. Finally, students report their results using a bar graph.
In this activity, students study gas laws at a molecular level. They …
In this activity, students study gas laws at a molecular level. They vary the volume of a container at constant temperature to see how pressure changes (Boyle's Law), change the temperature of a container at constant pressure to see how the volume changes with temperature (Charles’s Law), and experiment with heating a gas in a closed container to discover how pressure changes with temperature (Gay Lussac's Law). They also discover the relationship between the number of gas molecules and gas volume (Avogadro's Law). Finally, students use their knowledge of gas laws to model a heated soda can collapsing as it is plunged into ice water.
Gases exist across a wide range of temperature and pressures, and their …
Gases exist across a wide range of temperature and pressures, and their properties obey some fairly simple laws. This pathway provides resources to help students understand the behaviour of gases, and the relationships that exist between their pressure, volume and temperature.
This hands-on activity explores five different forms of erosion (chemical, water, wind, …
This hands-on activity explores five different forms of erosion (chemical, water, wind, glacier and temperature). Students rotate through stations and model each type of erosion on rocks, soils and minerals. The students record their observations and discuss the effects of erosion on the Earth's landscape. Students learn about how engineers are involved in the protection of landscapes and structures from erosion. Math problems are included to help students think about the effects of erosion in real-world scenarios.
Explore how the Earth's atmosphere affects the energy balance between incoming and …
Explore how the Earth's atmosphere affects the energy balance between incoming and outgoing radiation. Using an interactive model, adjust realistic parameters such as how many clouds are present or how much carbon dioxide is in the air, and watch how these factors affect the global temperature.
Make your own miniature greenhouse and measure the light levels at different …
Make your own miniature greenhouse and measure the light levels at different "times of day"--modeled by changing the angle of a lamp on the greenhouse--using a light sensor. Next, investigate the temperature in your greenhouse with and without a cover. Learn how a greenhouse works and how you can regulate the temperature in your model greenhouse.
Using understandable words and exceptional graphics, this page describes the transfer of …
Using understandable words and exceptional graphics, this page describes the transfer of energy by means of the convection process. Contains several links to related topics.
Heat transfer is an important concept that is a part of everyday …
Heat transfer is an important concept that is a part of everyday life yet often misunderstood by students. In this lesson, students learn the scientific concepts of temperature, heat and the transfer of heat through conduction, convection and radiation. These scientific concepts are illustrated by comparison to magical spells used in the Harry Potter stories.
Students learn the purpose of a fever in the body's immune system …
Students learn the purpose of a fever in the body's immune system and how it protects the body against germs. The students continue to explore temperature by creating a model thermometer and completing a temperature conversion worksheet. They come to see how engineers are involved in designing helpful medical instruments such as thermometers.
Students explore materials engineering by modifying the material properties of water. Specifically, …
Students explore materials engineering by modifying the material properties of water. Specifically, they use salt to lower the freezing point of water and test it by making ice cream. Using either a simple thermometer or a mechatronic temperature sensor, students learn about the lower temperature limit at which liquid water can exist such that even if placed in contact with a material much colder than 0 degrees Celsius, liquid water does not get colder than 0 °C. This provides students with an example of how materials can be modified (engineered) to change their equilibrium properties. They observe that when mixed with salt, liquid water's lower temperature limit can be dropped. Using salt-ice mixtures to cool the ice cream mixes to temperatures lower than 0 °C works better than ice alone.
Students learn about the nature of thermal energy, temperature and how materials …
Students learn about the nature of thermal energy, temperature and how materials store thermal energy. They discuss the difference between conduction, convection and radiation of thermal energy, and complete activities in which they investigate the difference between temperature, thermal energy and the heat capacity of different materials. Students also learn how some engineering requires an understanding of thermal energy.
The Center for Mathematics and Science Education at the University of North …
The Center for Mathematics and Science Education at the University of North Carolina at Chapel Hill provides an interesting and easy-to-use dictionary of the history and meaning of many measurement terms. Metric, International, and English Customary Systems are included; but there are also explanations of Apgar scoring, hat sizes, radiocarbon year conversion, and many other tables and scales.
In this video segment adapted from the National Film Board of Canada, …
In this video segment adapted from the National Film Board of Canada, learn how the Inuit people have used their traditional knowledge to understand and adapt to changes in their Arctic environment, particularly when hunting and navigating the landscape. [3:22]
Students test the insulation properties of different materials by timing how long …
Students test the insulation properties of different materials by timing how long it takes ice cubes to melt in the presence of various insulating materials. Students learn about the role that thermal insulation materials can play in reducing heat transfer by conduction, convection and radiation, as well as the design and implementation of insulating materials in construction and engineering.
Colorful animation outlining the relationship between the temperature and volume of gas …
Colorful animation outlining the relationship between the temperature and volume of gas particles. See what happens when the number of particles and pressure remains constant and the temperature of the gas is altered.
Read and learn about the unit conversion analysis step and English-Metric conversion …
Read and learn about the unit conversion analysis step and English-Metric conversion factors. Learn the steps to rounding answers from division and multiplication problems and formulas for temperature and density conversions.
Test your knowledge and understanding on unit conversions by completing this study …
Test your knowledge and understanding on unit conversions by completing this study guide. Review topics such as temperature conversions, density conversions, density calculations, and rounding unit conversions.
Students will record the temperature daily, using a bar graph, color coded …
Students will record the temperature daily, using a bar graph, color coded bars. this monthly bar graph helps students understand phenology and interpreting graphs.
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