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Science
County Line School
4th Grade - Mrs. Klumb
Science Overview
Motion and Design!
Students explore the physics of motion and to apply these concepts to technological design. Using plastic construction materials, weights, rubber bands, and propellers, students design and build vehicles. Students record their designs using technical two-view and three-view drawings. They test how fast the vehicles move and use their findings to redesign the vehicles to move more efficiently. Cost analysis is one of the students' design requirements. As students design their vehicles, they intuitively apply concepts such as friction and kinetic and potential energy. They also explore the effect of gravity on motion. The unit concludes by challenging students to solve a design challenge and to present their findings to the class.
Rocks and Minerals!
Students explore the differences and similarities between rocks and minerals by investigating samples of these earth materials, performing a series of tests similar to geologists' field tests, and reading about rocks and minerals and how they are used.
The first lessons focus on rocks. The students then turn their attention to a set of 12 minerals and test them to identify properties such as streak color, luster, transparency, hardness, shape, and magnetism.
After completing these observations, students compile them into their own "Minerals Field Guide." In a culminating activity, they are challenged to apply their knowledge and skills to identify new minerals. They then report on how rocks and minerals are used.
- Rock and Minerals Test Review
- Rock Unit Review
- Rock Web Search Activity
- Mineral Observations Slideshow
Unit Links
Animals!
The unit Animals examines the ways that animals meet their needs and some similarities and differences among animals. Through activities and resources, students will discover the basic needs that animals share and how body parts and behaviors help them meet their needs. Finally, they will learn how animals and other organisms are classified based on different characteristics.
