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Nova Hunting the Elements Activity

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Description
What It Is:
This is a chemistry worksheet titled 'NOVA: Hunting the Elements.' It covers topics including elements of life, trace elements, the origin of elements, silicon and glass, and rare earth elements. The worksheet includes a table where students must list the six most common elements of life, a common object they are found in, and an important property. There are also open-ended questions about the functions of trace elements, conditions needed for energy production by bacteria, the origin of hydrogen, fusion, supernova explosions, the composition of sand and Gorilla Glass, and the sources and properties of rare earth elements. The worksheet concludes with a question about a lemon shark experiment, requiring students to identify independent, dependent, control, and experimental variables.
Grade Level Suitability:
This worksheet is suitable for high school students, specifically grades 9-12. The content delves into chemistry concepts like elements, compounds, chemical properties, and experimental design, which are typically covered in high school chemistry courses.
Why Use It:
This worksheet reinforces understanding of fundamental chemistry concepts related to elements, their properties, and their roles in life and technology. It promotes critical thinking by requiring students to apply their knowledge to answer open-ended questions and analyze experimental setups. It also encourages research and investigation of topics like rare earth elements and the origin of elements.
How to Use It:
Students should read the instructions carefully and complete each section of the worksheet. They can use their textbooks, notes, and online resources to find the necessary information. The table should be filled in with the correct element names, symbols, common objects, and important properties. The open-ended questions should be answered in complete sentences, demonstrating understanding of the concepts. For the lemon shark experiment question, students should identify the variables based on their understanding of experimental design.
Target Users:
The target users are high school chemistry students and teachers. Students can use it for practice, review, or assessment. Teachers can use it as a classroom activity, homework assignment, or test preparation tool.