Power balloon car игрушка
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Making a balloon car is a fun craft project and educational science experiment that can be done with kids. This activity can be used to help teach kids how wind energy can be used to propel an object, as well as other principles in physics like momentum, force, friction, and speed. [1] X Research source It's also a great lesson in recycling and how to re-purpose waste items into fun toys. You'll only need a few simple materials: some sort of base, straws, skewers, tape, and a balloon.
- The best size is a small water bottle.
- Make sure it's thoroughly rinsed it out and clean, especially if you’re using a soda or juice bottle.
Cut two pieces of straws the width as your bottle. Measure across the bottom of your bottle. Cut two pieces of straw down to that measurement. Use only the smooth part of the straw, not the bendy. These will hold the axles and wheels. [2] X Research source
- If your bottle has ribs, use those as a guide.
- Use strong, sturdy tape, such as duct tape.
Cut two skewers down to make the axels. Cut the pointy ends off of the skewers first. Next, cut them down so that they are 1 inch (2.54 centimeters) wider than your bottle. They need to be long enough so that they can slide into the straws and hold the wheels. [4] X Research source
Slide the skewers into the straws. You should have about ½ inch (1.27 centimeters) sticking out of each end of each straw. You will be sliding the wheels onto the skewers next.
- You can also trace four circles onto a sheet of cardboard, then cut them out.
- You can also use buttons instead of bottle caps. Don't poke holes in them and make sure that they are the same size. [5] X Research source
- If you're scared to use a nail and hammer, stuff a small piece of sponge into each bottle cap. [6] X Research source
- If you are using buttons, simply hot glue them to the end of each skewer. [8] X Research source
- If you stuffed the inside of the bottle caps with a sponge, simply slide them onto the skewers. [9] X Research source
Poke an X-shape on the side of the bottle, just below the dome. Set the "car" down so that it is sitting on top of its wheels. Find a spot on top of the car just below the bottle's dome. Use a craft blade to poke two slits in an X-shape. This will allow you to attach your car's "engine."
- Insert the straw bendy-side-first into the balloon.
- The straw should bend naturally at its bendy part inside the bottle.
- Fill the balloon by blowing through the straw opening at the end of the bottle.
- Put your finger over the end of the straw once you're done filling the balloon.
- When you’re ready, let go of the straw and watch the car go.
- Make sure that you are cutting the smooth part of the straw. Do not include the bendy part.
- Make sure that the straws are straight. If they are crooked, your car won't go straight.
- Use strong tape, such as duct tape.
- If you don't have any skewers, you can use lollipop sticks instead. Make sure that they can slide into the straws easily.
Slide the skewers into the straws. You should have about ½ inch (1.27 centimeters) sticking out of each end. You will be mounting the wheels onto the ends of these next.
- If you don't have any bottle caps, you can use buttons instead. You can also cut circles out of cardboard. Make sure that they are all the same size.
Tape a balloon over the end of a straw. Slide a straw about 2 inches (5 centimeters) into a balloon. Wrap a piece of tape over the mouth of the balloon. Extend the tape over the end of the balloon and onto the straw. Make sure that there are no gaps.
- Use sturdy tape, such as duct tape.
- If the straw is too long, cut it down. You want only about 1 to 2 inches (2.54 to 5.08 centimeters) sticking out over the edge of the box.
- Blow up the balloon.
- Don't tie the end; rather, just hold it closed with your hand.
- When you're ready, let go of the balloon end and watch your car go!
- You can also use foam core. It is the same thing you use for presentation boards.
- For a fancy car, paint the cardboard with acrylic paint or cover it with duct tape. Let the paint dry before moving on.
Cut two 3-inch (7.62 centimeter) pieces from a straw. Do not include the bendy part of the straw. Use only the smooth, straight part. These will hold the wheels and axles in place.
- Use sturdy tape, such as duct tape. This way, the straws won't wiggle loose.
- Make sure that the tape covers the entire length of each straw.
- If scissors aren't tough enough for the job, try wire cutters.
- If you can't find any wooden skewers, use lollipop sticks instead. Make sure that they roll around easily in the straws.
Slide the skewers into the straws. You should have about ½ inch (1.27 centimeters) sticking out of each end. The wheels will go onto the skewers next. This will allow the axles to rotate freely inside the straws and allow your car to move.
- You can also use bottle caps instead of cardboard.
- If you used cardboard or foam core, you should be able to make the holes using a pen, pencil, or a skewer.
- If you used bottle caps, you will need to punch the hole using a nail and hammer. Ask an adult to help you.
- Use regular balloon, not a water balloon, noodle, heart, alien, worm, etc.
- It's okay if the straw is hanging over the edge of the car. If it is touching the ground, trim it down.
- Don't let the balloon hang over the edge. If you do, it will bump against the ground and stop your car from moving. [17] X Research source
- The straw is the back of the car. The balloon is the front.
- If the balloon is not holding air, there may be a gap. Wrap some more tape around the end of the balloon. [19] X Research source
- If the balloon still is not holding any air, it might have a hole in it. Get a new balloon. [20] X Research source
The water bottle one. This is because it has the best aerodynamic shape than the other two. It will also go faster and farther.
Try putting it on slippery surfaces like tiles and use rubber wheels. Avoid making your car too heavy. The lighter it is, the more easily it can move.
Balloons that hold helium are thicker and can hold more air than ones meant for oxygen. Look for balloons specifically labeled for helium.
The 3rd, because it is more aerodynamic in shape and does not weigh a lot, so it can go farther and faster.
How do I keep the balloon upright? It keeps touching the ground and stopping the movement of the car.
Make sure it is taped or attached properly and near the top of the car, so that the balloon is not able to touch the ground.
It sends the car along the ground with motion. This is called wind power and it helps to propel the car forward.
It depends on the size of the balloon and the type of motor you use. A smaller balloon or motor will carry less weight.
It's up to you and how you decide to build it, but the most it can take is 20 minutes, so 20 minutes or less!!
If this is a group or class project, have the kids measure whose car travels the furthest or fastest. This is a great way to demonstrate the scientific method and develop different hypotheses about how to improve the car.
It is best to use a round balloon rather than a long skinny one. It will condense the air and give you more force. [21] X Research source
You may want to attach a straw at the back of the car. It will act as a type of rudder and help your car stays straight.
Make your car more aerodynamic (slick and straight so it can cut through air and go faster) by playing around with different materials, wheels, and other design features. [22] X Research source
Be careful with the sharp pins. Bend them at right angles or into a loop with nose pliers, so that they don't slip out of the straw axles.
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About This Article
wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, 168 people, some anonymous, worked to edit and improve it over time. This article has been viewed 1,003,355 times.
If you want to make a balloon car, use scissors cut a rectangle out of cardboard. Cut 2 pieces of straw a little wider than the cardboard and tape them to the cardboard, then slide 2 pieces of wood into the straws to hold the wheels. Punch a hole in the tops of 4 bottle caps to act as the wheels and slide them onto the wooden sticks. Next, tuck a straw into the mouth of a balloon and tape it in place securely, then tape the straw to the top of the car. Blow some air into the balloon and set the car on the ground so it can roll! If you want to learn how to make the body of your car with a water bottle, keep reading the article!
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Balloon Powered Car is a fun science experiment for kids to do at home which demonstrates the law that even governs the fastest vehicle that we knows of- Rockets. Kids always enjoy making their own toys and making a balloon powered car is a fun learning experience in which the kids construct their own car and learn about principles like energy conservation and laws of motion.
Safety First ! Adult Supervision Required, Don’t Eat/Drink your Experiments, wear safety goggles where ever required
Materials and tools required.
In the box
- Car Base
- Wheel Cut-outs –4
- Round balloon -1
- Wooden Skewers -2
- Straws -3
- Colored tape
- Scissors
- Ruler
- Stationary: Markers etc
Video on Youtube for the Experiment
What to Do!
- Get the materials ready for making the base.
- You can decorate the base using colored tape.
- Using an OHP marker, mark 2 cm on one end and 3 cm point on other end of the base.
- Place two straws on the marked points and tape them with the base using black tape.
- Design your wheel cut-outs using markers.
- Take two wooden skewers and mark 3 cm away from the edge on both.
Cut 7 cm of black tape and wrap it around the mark made. - Carefully insert the wheel on one side of the skewer and wrap 7 cm black tape around the skewer.
- Repeat the process with other axle and wheel.
- Carefully insert the axle with the big wheel into the straw which is 3 cm away.
- Insert the other wheel cutout.
- Again wrap 7 cm tape around the skewer.
- Repeat the process with other axle too.
- Insert one end of the straw into the round balloon’s opening and tape it with the balloon.
- Paste the straw to the base such that 5 cm straw lies outside the edge of the car.
- Your balloon car is ready. You just need to blow some air in the balloon and watch it move as you release the air when you put it on the ground..
Images for Instructions
Balloon Powered Car-Experiment Step 1 Balloon Powered Car-Experiment Step 3
Balloon Powered Car-Experiment Step 4 Balloon Powered Car-Experiment Step 5
Balloon Powered Car-Experiment Step 6 Balloon Powered Car-Experiment Step 7
Balloon Powered Car-Experiment Step 8 Balloon Powered Car-Experiment Step 9
Balloon Powered Car-Experiment Step 10 Balloon Powered Car-Experiment Step 11
Balloon Powered Car-Experiment Step 12 Balloon Powered Car-Experiment Step 13
Balloon Powered Car-Experiment Step 14 Balloon Powered Car-Experiment Step 15
Balloon Powered Car-Experiment of Construction Balloon Powered Car-Experiment Step 18
Balloon Powered Car-Experiment Step 19 Balloon Powered Car-Experiment
Balloon Powered Car-Experiment Balloon Powered Car-Experiment Step 23
Working Principle of Balloon Powered Car Experiment :
In this experiment, kids observe Newton’s 3rd Law of Motion which states that “Every action has an equal and opposite reaction”. This law is applied in our day to day life in many instances. For example; when we walk or get off from a boat, while swimming or even pushing a hard wall, Newton’s 3rd Law is applicable. Also, in rockets and satellites orbiting around earth, Newton’s third law can be seen in action everywhere.
Force is needed for any object to change its state of motion. All the various vehicles that we know of thrive on diesel, petrol, CNG etc. The Balloon powered car runs on air! When you blow air inside the balloon and not let the air come out, the car doesn’t move. As soon as you let the air from the balloon escape, the car moves in the opposite direction of the air flow showing a beautiful demonstration of Newton’s third law. The air rushes out in one direction – we can call this ‘force’ and the movement of the car in the opposite direction is the opposite force called ‘reaction’. This experiment also shows how the potential energy stored inside the balloon when it is inflated changes to kinetic energy when the balloon releases air and the car moves.
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New STEM Science Project – Learning The Kinetic Energy by The Balloon Powered Car
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- EASY TO GET STARTED: Three steps to play! Insert the balloon inside the car and secure it; Pump up the balloon as much as you can; Press the release button on the pumper so the car can move forward.
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Introduction
Turn a pile of trash into a toy car—and watch it go! In this activity you will learn some physics concepts and use recycled materials to build a toy car that is propelled by a balloon. You can even find a friend, build two cars and race them against each other. Whose car will go the fastest?
Background
It might not seem like it at first, but a simple balloon car is loaded with physics and engineering concepts! When you inflate a balloon, it stores potential energy in the form of stretched rubber and the compressed air inside. When you release the balloon, this energy is converted to kinetic energy—the energy of motion—as the balloon zooms around the room. Some of the energy is also converted to heat due to friction. According to the law of conservation of energy, the total amount of energy is conserved. Energy never “disappears”—it just changes to another form.
Another way to think about the balloon's movement is to use Newton's third law of motion: For every action there is an equal and opposite reaction. When you inflate a balloon and then release the nozzle, the rubber contracts and pushes the air out the nozzle. This means that there must be an equal and opposite reaction—the air pushes back on the rubber, propelling the balloon forward. This principle is used in real rockets and jets that shoot a high-speed stream of gases out the back of their engines, propelling the vehicle forward. In this project you will use this principle to build a toy car that is propelled forward by the stream of air escaping a balloon as it deflates.
The car also contains a simple machine: the wheel and axle. This invention has been around so long, we take it for granted—and many of us ride in wheeled vehicles every day. You will see, however, getting your wheel and axle to spin smoothly is a critical part of getting your balloon car to work!
Materials
- Plastic bottle
- Four plastic bottle caps
- Wooden skewer
- Two straws
- Balloon
- Tape
- Scissors or sharp knife (Have an adult use or supervise your use of this tool.)
- An adult helper
Preparation
- Cut one of the straws in half.
- Tape both pieces of the straw to one side of the water bottle.
- Cut the wooden skewer in half and push each piece through one of the straws. These will form your axles. (Have an adult help.)
- Have an adult help use the scissors to poke a “+”-shaped hole directly in the center of each plastic bottle cap.
- Press each bottle cap onto the ends of the wooden skewers. These will form your wheels.
Procedure
Observations and results
When you inflate a balloon and let it go, it zips randomly around the room. When you tape the balloon to a straw and attach it to the body of your car, however, you can control the direction of the escaping air. When the end of the straw is aimed backward, the air pushes your car forward, as described by Newton's third law of motion. Your design will be most efficient if the straw is pointed straight back and not downward or to the side. The more you inflate the balloon the more potential energy it stores, which in turn is converted to more kinetic energy, according to the law of conservation of energy—so the car will go faster.
You may find your car does not work perfectly on the first try, particularly if its axles are not parallel or the wheels wobble. Too much friction can cause the wheels to get stuck, and the balloon will not be powerful enough to push the car forward. Test your car to make sure the wheels spin freely and, when you give it a push, the car rolls easily. If not, you might need to make some adjustments to your design. You should also make sure no air escapes the balloon where it is taped to the straw, and re-tape it more tightly if necessary.
This activity brought to you in partnership with Science Buddies
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