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- record data in science notebook.
-read science journals/ articles.
-write findings into a report.
- correspond with a scientist within community.
-measurement with scales (Newtons), distance, and mass.
-graph results for friction and media.
- identify and patterns within data collected.
- apply real world scenarios.
Teacher provides common items for students to explore and record findings of simple machines. Some items will already be classified as one. Students work in small groups using discovery learning to identify simple machines and their uses.
5-2.2F.b
The focus in 4th grade is speed and force and moves to media and friction in 5th grade.
5th grade is an extension to the 4th grade standard. Measuring weight is the focus in 5th.
c. Compare the measures of effort force needed to lift a load with and without the use of simple machines.
d. Observe and explain that simple machines change the amount of effort force and or direction of force.
Work transfers energy into and out of a mechanical system.
a. Explain how work can be done on an object (force applied in distance moved).
b. Identify the simple machines in common tools and household items.
a. Describe how friction affects the amount of force needed to do work over different surfaces or through different media.
Newton's Laws of Motion explain the interaction of mass and forces, and are used to predict changes in motion.
Forces are classified as either contact (pushes, pulls, friction, buoyancy) or non contact forces (gravity, magnetism), that can be described in terms of direction and magnitude.
a. Identify the forces acting on a load and use a spring scale to measure the weight (resistance force) of the load.