Matter can change its form but it cannot be destroyed.

True

False

A water wheel is a example of

Raphael refers to a wave by noting its wavelength. lucinda refers to a wave by noting its frequency. which student is correct and why

Which of the following has no inertia? A. a spaceship in orbit B. a piece of dust in space C. a vacuum containing no mass D. a baseball moving at a constant 5 m/s

Sara is sitting in the back seat as her father drives at a constant speed. If Sara's father presses on the brakes quickly slowing the car down, what slows Sara down? A. air resistance on the inside of the car B.

Disks A and B are identical and roll across a floor with equal speeds. Then disk A rolls up an incline, reaching a maximum height h, and disk B moves up an incline that is identical except that it is frictionless.

Which are strong bases? Check all that apply. HCI NaOH NH3 H2CO3 ΠΗΝΟΣ OKOH

The universal force that is effective over the longest distance is called? A:electromagnetic B: strong nuclear C: weak nuclear D: gravity

What is a string theory?

Two two advantages and hazards of nuclear reaction.

Magnetic fields and electric fields are identical in that they both-