Testing solar cookers
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Testing Solar Cookers. What do commercial solar cookers look like?. All angled sides lined with aluminum foil. Clear plastic over container. Black container that holds food. Let’s put them to the test!. Testing the cookers. 45 mL water. 50 mL water. 45 mL water. 12 pm – 2 pm.

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Presentation Transcript

What do commercial solar cookers look like
What do commercial solar cookers look like?

All angled sides lined with aluminum foil

Clear plastic over container

Black container that holds food



Testing the cookers
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm


Testing the cookers1
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What is the problem the family is investigating?


Testing the cookers2
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What is the problem the family is investigating?

What time of day is solar energy the strongest ?


Testing the cookers3
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What is the independent variable in this investigation?


Testing the cookers4
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What is the independent variable in this investigation?

Time of day


Testing the cookers5
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

How can we make this a more controlled experiment?


Testing the cookers6
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

How can we make this a more controlled experiment?

The amount of water in each beaker should be the same.


Testing the cookers7
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What must we do before we begin the experiment?


Testing the cookers8
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What must we do before we begin the experiment?

Measure the temperature of the water in the beaker.


Testing the cookers9
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What is the dependent variable in this experiment?


Testing the cookers10
Testing the cookers

45 mL water

50 mL water

45 mL water

12 pm – 2 pm

2 pm – 4 pm

10 am – 12 pm

What is the dependent variable in this experiment?

The change in temperature of the water.


What is the purpose of the aluminum foil
What is the purpose of the aluminum foil?

All angled sides lined with aluminum foil

Clear plastic over container

Black container that holds food


What is the purpose of the aluminum foil to reflect the light onto the cooking area
What is the purpose of the aluminum foil?To reflect the light onto the cooking area.

All angled sides lined with aluminum foil

Clear plastic over container

Black container that holds food


What is the purpose of the clear plastic cover over the container
What is the purpose of the clear plastic cover over the container?

All angled sides lined with aluminum foil

Clear plastic over container

Black container that holds food


What is the purpose of the clear plastic cover over the container?To block the warmed air in the container from escaping.

All angled sides lined with aluminum foil

Clear plastic over container

Black container that holds food


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