Make a plastic bottle collapse without touching it! The air does the job for you. You cannot feel air, but it presses against every surface. This is called “air pressure”.
Materials:
1. Ice
2. Funnel
3. Hot and Cold Water
4. Plastic soft drinks bottle
5. Bowl
Procedure:
1. Stand the bottle upright in a bowl. Pour the hot water into it and leave it for a short time.
2. Screw the top on the bottle. Lay the bottle in the bowl and pour ice and cold water over it. Then stand it up.
3. The bottle collapses! As the warm air inside the bottle cools, it exerts less pressure. The air outside is stronger and crushes the bottle.
19 Desember 2013
A Hat & Chalk
Players sit in circle and the leader begins by passing a ball to the player on their right while saying “this is a cat”. The person will ask, “a what?” and the leader replies “a cat”. The second player the passes the ball to a third player and says “this is a cat” and the third player will reply “a what?” and the question gets passed back to the original leader. Each time the ball goes as far as one more player, and then the question returns to the leader. (everyone has to say “a what?” all the way back to the leader and then “a cat” all the way back to where the ball was before it can be passed on again). Start a hat going the other way for a challenge.
Abbreviations for SMS
The following are some examples of “SMS”
What ae the meanings of the underlined words?
Answers
You may be able to try to find abbreviation from any resources or even you may try to create your own abbreviation. Do the receivers undestand your message? If the answer is yes, it means it is understandable.
Note
some abbrevations are usually used for telex, not only for sending message trough you mobil phone. If you want to send your messages by using abbrevation to the writer of this book.
- My asst. cannot come today.
- This bldg is very expensive.
- Your letter has ben recd.
- Yr book will be borrowed.
- The mtg will be openned at 9 am.
What ae the meanings of the underlined words?
Answers
- asst: assistant
- bldg: building
- recd: received
- yr: your
- mtg: meting
You may be able to try to find abbreviation from any resources or even you may try to create your own abbreviation. Do the receivers undestand your message? If the answer is yes, it means it is understandable.
Note
some abbrevations are usually used for telex, not only for sending message trough you mobil phone. If you want to send your messages by using abbrevation to the writer of this book.
Pentingnya Bermain Bagi Perkembangan Anak
Sayangnya, dewasa ini telah mengalami penurunan kualitas yang luar biasa. Salah seorang permainan ternaik di dunia, peneliti asal Selandia Baru, Brian Sutton-Smith mengungkapkan, mengungkapkan bahwa tipikal anak bermain saat ini adalah eorang anak bermain di depan TV, Video Game, bermain dengan tokoh jagoannya (lihat Hansen 1998). Ini bukan bermain. demikian juga sepak bola atau semua olah raga kompetitif lainnya yang biasa dilakukan di semua komunitas. Bermain adalah pengalaman tanpa akhir yang dilakukan anak dan melibatkan tindakan berpura-pura, kegiatan berguling, bergulat, atau pemakaian objek nyata secara sepontan untuk menciptakan kreatifitas. Bermain menjadi semakin terancam punah dalam program pendidikan anak usia dini sejalan dengan meningkatnya tuntutan akademis.
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