Homework Help: physical science

Posted by keisha on Sunday, January 29, 2012 at 6:54pm.

Joe baked a cake for his mother's birthday. When he removed the cake from the oven, Joe noticed that the cake had not risen. Joe guessed that the baking powder he had used was too old. He designed the following experiment to test his idea.

Joe prepared two cakes ¡V one using the same ingredients as his first cake and one using fresh baking powder. After preheating oven to 350„aF, he placed both cakes in the oven for 30 minutes. After 30 minutes, he removed both cakes and noticed that neither one had risen. He decided that the baking powder wasn¡¦t the cause of his problem.

What was the independent variable in Joe¡¦s experiment?

What was the dependent variable in Joe¡¦s experiement?

What was the control in Joe¡¦s experiment?

What were the constants in Joe¡¦s experiment (assuming he did it correctly)?

No one has answered this question yet.

Answer this Question

Related Questions

Chemistry - I need another hypothesis: Mom and I were baking a cake for my ...
Math - A large birthday cake was baked to celebrate the 6th birthday of Mimi. It...
english - I NEED HELP WRITING A PROCESS PARAGRAPH ON HOW TO MAKE A CAKE AND I ...
math - sam's birthday cake was cut into 16pcs. after his party, 3 pcs. were ...
Physics - The frequency of the electromagnetic waves in a microwave oven is 2.2 ...
physics - The frequency of the electromagnetic waves in a microwave oven is 2.2 ...
Math - Hope Mom baked a cake in rectangular shape 10 by 6. If she starts at the ...
Math - Hope Mom baked a cake in rectangular shape 10 by 6. If she starts at the ...
liberal arts - mary and tom jointly buy the vanilla-chocolate cake for $20. ...
maths - karen decorated her mother's birthday cake. one-third of candles are...

For Further Reading

First Name:
School Subject:
Answer: