Project biotech Shoreline Community College's Biotechnology Lab opens its doors to high school students for week-long explorations of biotechnology and DNA sequencing! To learn about prior camps, click on the links below.
During the construction of the vehicle, the following safety precautions should be observed. Wear safety glasses Use care with sharp cutting blades Avoid touching the tip of the glue gun or soldering gun Put safety first Competition Categories Competition between students can be based on design, drawings, final appearance, distance-traveled, speed, etc.
Races can be held between cars in a track. Due to the very high speed, design flaws can seriously damage the vehicle in its first strike to a wall or any hard object. In addition, teachers could implement a problem-solving category for advanced or older students.
Teachers would provide students with the pulley car kit then instruct students to make use of additional materials in the classroom to construct a customized vehicle. How elaborate or complex the pulley motor cars are depends on imagination and resources.
Standard Assembly Steps Make your pulley motor car model in 3 simple steps. Construct the basic car chassis with 4 wheels Cut a strip of wood that is 2" 5cm wide. Mark the location of axles by drawing two lines, one on each end of the car, parallel to the front or back side.
Axle lines must be about 1 inch away from the front or back. Insert one eye screw in each of the points. Eye screws are used to hold the axles.
Insert the axle and make sure it is level and it can spin freely. If necessary, adjust the eye screws. For the back wheels cut a space for the pulley before inserting the eye screws. Cut some plastic tubes or straws and use them as the spacer in both sides.
If you have metal washers, insert them between the straw pieces and the eye screws. Wheels may be inserted while the axle is in position.
You can also insert the axle into one wheel and then pass it through the eye screws. At the end your simple car will look like this. You can use it the way it is or you can turn it over as shown in the picture bellow. In the model shown here, the gears are built in the rear slicks rear wheels.
With plain wheels, you had to insert a pulley or gear in the same axle with one wheel.
If you don't need to install pulleys or gears, continue with step 2. To mount a pulley or gear next to one wheel, it is a good idea to cut some space for that on your chassis; otherwise, one wheel will stand out and your model will not have a symmetrical shape. The size of this space may vary depending on the size of your pulley or gear.
The pulley or gear must have a hole matching the axle diameter and must feet snugly. Some pulleys and gears require a plastic insert and some drilling in order to adapt the diameter of the axle you are using. After mounting, make sure that the wheels can spin freely.
If necessary, mount a metal washer between the spacer and eye screws. Other methods of mounting the axle You may not have eye screws for mounting the axles.
This is an alternate method for mounting wheels and axle. Insert the axle in one wheel, slide a washer onto it.Find hundreds of FREE science projects and activities for kids of all ages!
Some of our most popular projects include building a simple motor with a magnet, dissecting an owl pellet, and making a solar oven.
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