Test the thermometer in other areas check the thermometer in various places with different temperatures look at how much the level rises in warm spots and how it drops in cold spots you should continue to notice that warm temperatures cause the solution to rise while cold temperatures cause it to drop. Use your thermometer by placing it in the area where you want to measure the temperature once the canisters have stabilized, the temperature of the air is the temperature marked on whichever canister is floating in the middle of the vase.
Challenge your child to make a scale for the thermometer ask your child to use a store bought thermometer to identify the temperature that the area where the homemade thermometer mixture is put a line on the straw where the liquid is, and mark the temperature that the thermometer says do this in various cold and hot places in the house. With your homemade thermometer you aren’t actually measuring temperature, just seeing temperature changes if you have a real thermometer, you can use it to make a scale on your homemade thermometer: let your bottle get to room temperature and then mark the straw with what the actual room temperature is.
Put this thermometer back in the refrigerator mix equal parts chilled water and alcohol the actual amounts will depend on the size of your container repeat steps 6-11 using the water-alcohol mixture to make a third thermometer record where the line of liquid is in the straw put this thermometer back in the refrigerator. Also, resize the chart to make it look like a thermometer select the vertical axis on the left, right-click on it and select ‘format axis’ in format axis task pane, select major tick mark type as inside.
Click the ads so i make money this feature is not available right now please try again later. Challenge your child to make a scale for the thermometer ask your child to use a store bought thermometer to identify the temperature that the area where the homemade thermometer mixture is put a line on the straw where the liquid is, and mark the temperature that the thermometer says.
Fill the bottom of a container large enough to hold your thermometer with warm water put your thermometer in the container and watch the water level rise in the straw once the level stops moving, make a line on the bottle or straw with a marker and label it with the actual temperature of the water. Make other adjustments to the temperature around the bottle and observe how your thermometer reacts place the bottle near a hot area, such as a heater, radiator or oven with its door cracked open you could also simply hold the bottle and allow your body heat to warm it as the temperature around the bottle increases, the liquid inside will expand.
Making a thermometer is a simple and fun activity for teaching children about temperature this thermometer does not measure exact degrees, but will allow children to experiment with how changes in temperature affect a thermometer.