Primary Science and Technology Teachers' Guide - OECS
Primary Science and Technology Teachers' Guide - OECS
Primary Science and Technology Teachers' Guide - OECS
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<strong>Primary</strong> <strong>Science</strong> & <strong>Technology</strong> Teacher Manual – Resources – K – 4<br />
3. Air Can Be Compressed<br />
Instructions<br />
1. Put your h<strong>and</strong> over the end of a small bicycle pump<br />
2. Push the h<strong>and</strong>le down<br />
Can the h<strong>and</strong>le reach right down? Why ?<br />
4. We can hear moving air<br />
Instructions<br />
1. Blow the balloons, then tie the end.<br />
2. Untie <strong>and</strong> release the air slowly.<br />
Can you hear the air as it escapes?<br />
5. Air does offer resistance<br />
Instructions<br />
1. Blow into the paper/plastic bag or balloon.<br />
2. Loosely tie the neck of the bag.<br />
3. Push down on the bag.<br />
What do you notice?<br />
Safety Precautions :<br />
bags<br />
Be careful when students are using plastic<br />
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