Page 15 - Demo

Your Safer Source for Science
FORCES & MOTION, continued
Newton ̓s Laws— Activity-Stations Kit
In this activity-stations lab, students inves- tigate inertia, force and acceleration using air pucks, carts and pulleys with hanging weights and balloon rockets, respectively. Each independent mini-lab activity takes 10–15 minutes to complete, and students may rotate through the stations in any order.
AP7408 I $88.70
Bowling Ball Pendulum— Demonstration Kit
Demonstrate the conservation of energy with a real classic! Hold a heavy bowling ball pendulum against the tip of your nose. Release the bowling ball without moving your head, and allow it to swing through its pendulum arc. The students’ shock and fear will be very apparent as the heavy, fast-mov- ing bowling ball makes its return trip
toward your head. To the amazement of the students, the bowling ball only gracefully touches the tip of your nose—dramatically showing the law of conservation of energy.
AP6839 I $38.40
Build a Mini Hovercraft— Guided-Inquiry Kit
As students build their own working models of a hovercraft, they learn the basic concepts of how a vessel is able to “ride on air.” Once construction is complete, students test their models, make observations and propose testable questions. As students plan and carry out investigations, redesigning their models if they choose, they gain valuable experience in scientific and engineering practices. A great STEM activity to include when covering the concepts of force, motion, energy or air pressure. Complete
for eight student groups.
AP7519 I $68.90
Hanging Nails Challenge— Super Value Guided-Inquiry Kit
The challenge in this inquiry-based kit is to arrange 10 nails so they will hang in perfect balance on the head of one other nail. No other materials may be used! Once this challenge is mastered, learning continues as careful observations naturally lead to certain questions—how, what if, why? The answers to these questions are sought in further experimentation, which leads to more obser- vations and further questions—the scientific method in action! All materials are reusable.
AP7309 I $42.75
Simple Machines— Student Laboratory Kit
Comprehensive laboratory kit allows students to experiment with four types of simple machines—the inclined plane, pulley, gears and levers—and study the advantages of each. Students learn about gear ratios, levers (first-, second- and third-class), pulley combinations and the mechanical advantage of each simple machine. By comparing the mechanical advantage of different simple machines, students determine which setup provides the most benefits. The lab stations are easy to set up, and student groups rotate through each lab station, experimenting with one simple machine at a time.
AP6931 I $153.40
Catapult
Whereas a trebuchet uses gravity and coun- terweights to provide propulsion, a traditional catapult uses the mechanical advantage of
a lever and tension forces. Integrate science and math to solidify engineering practices while studying simple machines, forces and the difference between accuracy and preci- sion. Answer questions like “How does force affect the motion of a projectile?” and “What is the optimum angle for launching a projec- tile the farthest distance?” 6" H x 5" W. Basic assembly required.
AP7788 I $20.25
FLINN SCIENTIFIC I FORCES & MOTION 13