Omar wants to find a simple test that he can use to identify certain gases. Omar wants to be able to identify oxygen, hydrogen, and carbon dioxide. He decides to use a splint of flaming wood to perform his experiment. Omar places the splint of wood into a sealed chamber. He then watches what occurs as he pumps one of his three gases into the chamber.

Which of the following is the independent variable in Omar's experiment?

the type of wood used

the type of gas used

the temperature of the chamber

the air pressure in the chamber

Question

Omar wants to find a simple test that he can use to identify certain gases. Omar wants to be able to identify oxygen, hydrogen, and carbon dioxide. He decides to use a splint of flaming wood to perform his experiment. Omar places the splint of wood into a sealed chamber. He then watches what occurs as he pumps one of his three gases into the chamber. 

Which of the following is the independent variable in Omar's experiment? 



the type of wood used





the type of gas used





the temperature of the chamber





the air pressure in the chamber

anonymous · Answer

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