Is carving a statue out of marble a physical change or chemical change?

Is sanding a piece of wood a physical change or chemical change?

If an object has a mass of 26 g on earth would its mass be less than 26 g on the moon

Which of the following has the greatest amount of kinetic energy a) slice of pizza b) a person at the top of the stairs c) wind d) a book on a table

Which lists only metalloids? arsenic (As), sulfur (S), and polonium (Po) antimony (Sb), tellurium (Te), and gallium (Ga) boron (B), germanium (Ge), and tellurium (Te) polonium (Po), aluminum (Al), and silicon (Si)

Donelle measures the mass of 10 pennies and records her measurements in kilograms. She wants to determine the mean mass of her pennies. What should Donelle do to make it easier to calculate the mean mass of her pennies? A.

Which will increase the kinetic energy of an object more, increasing its mass or increasing its speed? Why?

A refrigerator is a system. The energy input into the refrigerator system (in the form of electricity) is the same as the amount of energy output from the system. Which of the following best describes the energy output of the system?

A 1,120 kg car is travelling with a speed of 40 m/s. Find its energy.

3. Calculate the amount of current through a 45-watt light bulb that is connected to a 120-volt circuit in your home.

Are oranges called oranges because oranges are orange, or is orange called orange because oranges are orange?

An object at rest has no net force acting on it. a. True b. False