1 / 6

A home made thermometer is made from:

1. A home made thermometer is made from: - a test tube that is 10 cm long and with an inside diameter of 1.5 cm; - into the test tube is inserted a rubber stopper with a hole in it; - the stopper has a diameter of 1.5 cm and is 2 cm long;

isi
Download Presentation

A home made thermometer is made from:

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 1. A home made thermometer is made from: - a test tube that is 10 cm long and with an inside diameter of 1.5 cm; - into the test tube is inserted a rubber stopper with a hole in it; - the stopper has a diameter of 1.5 cm and is 2 cm long; - a narrow glass tube 20 cm long is pushed through the hole in the stopper; - this glass tube goes half way down the test tube. The test tube and narrow glass tube have red water in them. The red water only comes half-way up the narrow tube. DRAW the homemade thermometer to scale.

  2. 3. In this experiment temperature is being measured at different times of day. 110 110 110 110 110 110 100 100 100 100 100 100 90 90 90 90 90 90 80 80 80 80 80 80 70 70 70 70 70 70 60 60 60 60 60 60 50 50 50 50 50 50 40 40 40 40 40 40 30 30 30 30 30 30 20 20 20 20 20 20 10 10 10 10 10 10 0 0 0 0 0 0 -10 -10 -10 -10 -10 -10 TAKE READINGS from the thermometer and watch and put them into the table below. Temperature in degrees Celsius Time of day

  3. 26 28 18 14 10 9 8 23 26 28 30 15 4. A thermometer was put in a room in a house with a metal roof. Temperatures were taken every two hours, for one day The temperatures at different times are shown in the table below. morning afternoon/evening time of day 12 Time of day 2 10 2 6 4 6 8 4 8 10 12 temperature in degrees Celsius PLOT a bar chart of the results on the graph paper provided below. Temperature in degrees Celsius 30 20 10 0 2 4 6 10 12 2 6 10 12 8 4 8 morning afternoon Time of day PREDICT the pattern of temperature change during one day in the winter by adding to your bar chart.

  4. 5. The temperature changes in two different houses are compared in this graph. One house has a thatched roof the other has a metal roof. Temperature in degrees Celsius 30 house with thatched roof 20 house with metal roof 10 time of day 6 12 2 4 8 12 2 4 6 8 10 10 morning afternoon DESCRIBE in your own words what the bar chart shows.

  5. 6. Thabiso thought that a room on the East side of his house was hotter than a room on the West side. Design an experiment over a 24 hour period to find out if he was correct. LIST the apparatus you need LIST the variables you will measure HYPOTHESISE the results do you expect? - during the morning - during the afternoon - during the evening Do you think Thabiso was correct? GIVE YOUR REASONS.

More Related