A variable that should not change throughout the experiment is a (n):

Question 5 options:

(a.) Independent Variable

(b.) Dependent Variable

(c.) Control Variable

It is well known that a potato bakes faster if a large nail is stuck through it. Why? Does an aluminum nail work better than a steel one? Why or why not? (Note: Don't try this in a microwave oven!

In Hooke's law, what does k represent? Select one of the options below as your answer: A. mass of the spring B. length of the spring C. force of the spring D. stiffness of the spring E. width of the spring

Sound waves must have intensity if a person is to hear them. a. True b. False

How much stronger is the gravitational pull of the sun on earth

A chemical reaction in witch more energy is absorbed than is released is endothermic

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

How does changing depth affect water pressure