Complete your copy of the worksheet as you watch the video below on Heat and Temperature. You can pause the video if you need time to complete the questions. Remember, you need to be signed into your school account or ClickView for the video to work.
Activity - Temperature
Instructions
Copy the table below into your notes
Pour 50ml of cold water into a small beaker, and50ml of hot water into another small beaker.
Carefully measure the temperature of each one.
Predict the temperature if you were to mix the two beakers together.
Write down your prediction in your table.
Pour them both carefully into a large beaker.
Take the temperature again.
Was your prediction close?
Now repeat the process with 50ml of hot water in each beaker.
Use the video below to help you to complete your table.
Activity - Temperature and Heat
Think about the following situation:
You have a large beaker and a small one both full of water. You put them on identical bunsen burners and heat them up to boiling point.
1. What can you say about the starting temperature in both beakers?
2. What can you say about the final temperature of the water in the two beakers?
3. Which would you have had to heat up longest to get it to boiling point?
4. Which has the most heat energy?
Notes - Temperature and Heat
The amount of heat energy in an object affects its temperature.However, heat is not the same as temperature. Heat is a form of energy and is measured in joules (J). Temperature tells us how hot or cold an object is. Temperature is measured in degrees celcius (oC)
Identify conductors and insulators from a list of common materials.
Activity - Which material will conduct heat the best?
You should be able to do this experiment at home.
What you will need:
A mug
A metal spoon or similar but must be made of metal.
A plastic spoon or similar but must be made of plastic.
A wooden spoon or something similar but must be made of wood. I used a lollipop stick.
Some hot water. Be very careful if this boiling!
Ice
Instructions
Place the metal spoon, wooden spoon and plastic spoon into a mug with hot water.
Leave for a few minutes.
Carefully feel them to see which feels hot.
Repeat the experiment using crushed ice in place of hot water.
In your jotter, write a description of what you did and what happened.
Good and Bad Conductors of Heat
Watch the video below on good and bad conductors of heat and answer the questions that appear throughout the video. Remember, it will only work if you are signed into ClickView.
Notes - Letting heat through
Some solids let heat go through them more easily than others.
______ are good at letting heat through, wood and _____ are not so good.
________ are materials that don't let heat through easily.
I will be able to name two greenhouse gases most responsible for human-caused global warming.
I will be able to do an experiment to compare the heat absorption of different gases.
Eunice Newton Foote
On 23 August 1856, Eunice Newton Foote sat...[and] listened as Joseph Henry presented - and failed to recognize the implications of - her research on the heat-absorbing properties of carbon dioxide and water vapour.
Foote concluded that increased carbon dioxide in the atmosphere would lead to global warming.
YOU ARE GOING TO RECREATE ONE OF HER EXPERIMENTS.
Activity - Comparing Heat Absorption of Methane and Air
Table
Copy the table below into your notes.
time (min)
0
1
2
3
4
5
6
7
8
9
10
Methane Temperature (oC)
Air temperature (oC)
Equipment
two boiling tubes
two stoppered thermometers
clamp stand with two clamp boses
two strips of aluminium foil
Instructions
Put the stoppered thermometers into the boiling tubes.
Wrap the aluminium foil around the top of the tubes.
Make sure the thermometer bulb is covered, and the same amount of tube is uncovered.
Your teacher will fill one boiling tube with methane (from a gas tap).
Clamp the boiling tubes at the same height and distance from the heat lamp (around 25-30 cm).
Record the starting temperature of the two boiling tubes.
Switch on the lamp and record the temperature of each tube every minute.
Heat and temperature question sheet
