培养动手能力的一些项目

2015-9-11 14:23| 发布者: admin| 查看: 4127| 评论: 0

记得一次训练一个孩子做Chemistry Olympiad 的实验部分，要求孩子将 10 g 糖的粉末装进细口瓶配置溶液，孩子费了九牛二虎之力，白糖却撒得满桌，当然，要求实验数据精确度就泡汤了。解决这个问题，多动手会有帮助的。

针对我们华人的孩子动手能力偏弱，借小时候的好动好奇，开发孩子的兴趣，培养孩子动手能力。也可为让孩子远离电子游戏的诱惑，这里提供给一个生动有趣的网站（适合小学和初中前期的孩子），供参考：

http://www.sciencekids.co.nz/experiments/eggboiledraw.html

Floating Eggs Eggs sink in normal water so what can you do to make them float? Adding salt can give some surprising results.		Make a Parachute Design and build a parachute that uses important science principles to carefully lower an object to the ground.
Melting Chocolate Under what conditions does chocolate melt? Is it different for white and dark chocolate? Experiment to find out!		Dry Ice Bubble Use dry ice and a soapy mixture to create a giant dry ice bubble. How big will your bubble get before it bursts?
Oil and Water What happens when you try mixing oil and water? Do they want to be mixed? Give it a go and find out!		Making Lemon Fizzy Drink Make some lemon soda pop the quick and easy way. It's tasty, it's fizzy and it's made by you!
Quick Sand Making quick sand is easy and you'll have a great time demonstrating this interesting experiment to other people.		Diet Coke & Mentos Geyser Eruption Create an erupting geyser with Diet Coke and Mentos, this amazing experiment is guaranteed to impress your friends!
Vinegar Volcano Vinegar and baking soda make for a fun and easy science experiment. Try creating a vinegar volcano.		Blowing Up Balloons Sit back, relax and let the carbon dioxide from a chemical reaction blow up your balloons for you.
Raw or Boiled Egg? Can't tell if your egg is hard boiled or raw? Find out a sneaky way to know for sure with this simple experiment.		Make Fake Snot Make snot without having to pick your nose. Gross out your friends and learn some interesting chemistry facts along the way.
Make Glowing Water Use black light to make glowing water and find out exactly how it works with this fun science experiment for kids.		Tornado in a Bottle Learn how you can make a tornado in a bottle with just a few simple items that you can find around the house.
Bath Salts Do you feel like a warm, relaxing bath with soothing fragrances? Try this fun experiment and learn the science behind bath salts.		Ice Cube Magic While it's not quite magic, this is still an impressive experiment that uses pressure and a little bit of time to cut an ice cube in half.
Breeding Bacteria Take samples from different places and examine how bacteria grow by breeding it yourself.		Static Electricity Make your hair stand on end while learning about static electricity and electrons with these cool experiments.
Stab a Potato With a Straw Use the power of air pressure to help stab a drinking straw through a potato.		Does an Orange Float or Sink? Do oranges float or sink in water? Time to find out with this fun science experiment related to density.
Dissolving Sugar Adding sugar to water might not make a great drink but it does help with this easy experiment.		Light, Color & Heat The sun heats some colors quicker than others, find out which absorb and which reflect more light.
Making Music Create some cool sound waves with this easy music making instrument.		Moving Molecules Here's a great way to see if molecules in hot water really move faster than in cold.
Balloon Speakers Experiment with the tightly packed, compressed air inside a balloon to amplify small sounds into big noises.		Seed Germination Plant seeds and learn about germination with this cool experiment. Watch seedlings grow as you look after them with the right amount of light and water.
Floating Ping Pong Balls See some amazing forces in action when you combine a hair dryer with a ping pong ball.		Taste Without Smell Put your senses to the test with this simple experiment related to your sense of smell.
Crazy Putty Glue plus borax and a few basic ingredients equals a whole lot of squishy fun with this crazy putty experiment.		Escaping Water Don't know how capillary action works? Then find out more with the help of just water, cups and paper towels.
Gravity Free Water Turning a glass of water upside down doesn't always have to involve someone getting wet.		Microscopic Creatures Take some water samples from a range of different places and use a microscope to investigate what's living inside.
Lung Volume Test how fit and healthy you are by completing this experiment that measures how much air your lungs can hold.		Straw Bending Gather round children and marvel at the amazing bending straw. It's an easy optical illusion that only needs a glass, some water and a straw.
Bucket Spinning Learn about centripetal force while somehow staying dry as you spin a bucket of water above your head.		Egg Bubbles Do egg shells really contain thousands of tiny holes? Find out with this fun science experiment for kids.
Make a Snowflake Have fun making your own crystal snowflake with a little help from some borax and a few other easy to find household items.		Make a Rainbow Use sunlight and water to make your own rainbow with this cool activity that helps explain how rainbows work.
Invisible Ink Write secret messages with invisible ink you created from lemon juice, read them later if you can work out how to.		Heating Up Air Watch what happens to the air inside a balloon as you heat it up, does it act differently or stay the same? Let's find out!
Make an Easy Lava Lamp Learn how to make an easy lava lamp with the help of a cool chemical reaction and this funky science experiment for kids.		Bending Water Static electricity can do some amazing things, find out how you can use it to bend a stream of water using just your hair and a comb.
Ice Overflow Learn some of the differences between water and ice while trying this simple experiment that might surprise you.		Steel Wool & Vinegar Experiment with steel wool and vinegar. What kind of chemical reaction occurs when the iron in steel wool reacts with oxygen?
Dominant Side Does your body have a dominant side? Test yourself with a variety of challenges to find your dominant eye, hand and foot.		Bouncing Balls Learn about energy transfer with the help of a basketball and tennis ball.