Comp 2 Review

The variable the is changed on purpose is..

• Constant
• Control
• Independent Variable
• Dependent Variable

The variable that is being tested, counted, or measured and is responding to the independent variable is known as 

• Control
• Constant
• Independent Variable
• Dependent Variable

  Pick the control from the following variables..
vanilla ice cream
vanilla ice cream with sprinkles
vanilla ice cream with hot fudge & caramel

• Vanilla ice cream
• vanilla ice cream with sprinkles
• vanilla ice cream with hot fudge & caramel
• I like it all

Mrs. Goodwyn wants to see if studying time affects test scores...She gives all 6 classes the same assignment but assigns different study times. What is the dependent variable?

• Study  time
• Test Score
• Same Assignment

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the independent variable?

• Amount of salt
• Boiling Point
• Amount of water

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the dependent variable?

• amount of salt
• boiling point
• same amount of water

Heat always travels from...

• Warm to cool

• Cool to warm

• Warm to warm

• Cool to cool

A hot air balloon rising is an example of ...

• conduction

• convection

• radiation

• connection

A snowman melting in the sun

• convection

• conduction

• radiation

• connection

Heating a kettle on a hot stove (burner)

• convection

• conduction

• radiation

• connection