Matter+Lab

Expansion and Contraction Lab
 **Problem:**  **Research:**  **Hypothesis:**  **Materials: Safety goggles, Balloon,** **Plastic bottle, Warm water,** **Cold water**  **Procedure:**  1.) Stretch the opening of the balloon over the neck of the bottle. 2.)  Observe the balloon at room temperature. Record observations. 3.) Place the bottle with the ballon in the warm water for about 30 seconds. 4.) Observe the ballon again and record any changes you see in the balloon. <span style="font-family: Tahoma; font-size: 14pt; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: Tahoma; msobidifontsize: 12.0pt; msofareastfontfamily: Tahoma; msolist: Ignore;">5.) Remove the bottle and ballon from the warm water and quickly place it in the cold water for about 30 seconds (or until it cools). 6.) Observe the ballon and record any changes you see in the ballon. <span style="font-family: Tahoma,Geneva,sans-serif; font-size: 12pt; mso-bidi-font-size: 12.0pt; msobidifontsize: 12.0ptmsoBidiFontSize;"> <span style="font-family: Tahoma,Geneva,sans-serif; font-size: 12pt; msobidifontsize: 12.0ptmsoBidiFontSize;">**Results:** <span style="font-family: Tahoma,Geneva,sans-serif; font-size: 12pt; mso-bidi-font-size: 12.0pt; msobidifontsize: 12.0ptmsoBidiFontSize;">

<span style="font-family: Tahoma,Geneva,sans-serif; font-size: 12pt; mso-bidi-font-size: 12.0pt; msobidifontsize: 12.0ptmsoBidiFontSize;"> <span style="font-family: Tahoma,Geneva,sans-serif; font-size: 12pt; msobidifontsize: 12.0ptmsoBidiFontSize;">**Conclusion:**
 * Water Temperature || Prediction || Description of the Balloon ||
 * Room Temperature ||  ||   ||
 * Warm ||  ||   ||
 * Cold ||  ||   ||

85% || What will happen (to the balloon) when the bottle is placed in warm water and cold water.
 * can state a hypothesis related to the problem and procedure. || I can conduct research about concepts that are related to the topic I am investigating. || I can collect quantitative/qualitative data while conducting an experiment. || I can use the data in my results to draw a conclusion about what happened and why. || Overall, I can apply the scienctific method to solve a problem. || Total ||
 * 1 2 **3** 4 || 1 2 3 **4** || 1 2 3 **4** || 1 2 3 **4** || 1 2 **3** 4 || 18/20

Expand:To take up more space.contract:to tkae up less space

contract- is to take up less space

Hypothesis If I put the water bottle in the hot it (the balloon) will expand and if in the cold it (the balloon) will contract.

Results:in hot water the ballon puffed up and in the cold it died down.

Conclusion:My hypothesis was correct,I stated that when I put the bottle in warm water it will expand an in the cold it will contract.

My results showedthat the ballon puffed up in the warm water and that the the ballon was flat in the clodwater.