Sound moves at a speed of 340 m/sec. If an airplane is overhead at 8500m how long will it take for the sound to reach you

An isotope contains 11 protons, 10 electrons, and 12 neutrons.

If there is gravity where the International Space Station (ISS) is located above Earth, why doesn't the space station get pulled back down to Earth?

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. What scientific practice is this?

The diagram below represents a flashlight that has been turned on. Which form of energy is being converted to electrical energy by the batteries in the flashlight?

Which of the following describes electric current? A. Electric current is the flow of protons B. Electric current is the flow of neutrons C. Electric current is the flow of a charge D. Electric current is the flow or protons and neutrons

Wood is an example of a fossil fuel. User: The type of energy stored by fossil fuels such as coal is a. kinetic energy. b. mechanical energy. c. chemical potential energy. d. electromagnetic energy. User: An example of a fossil fuel is a. wood. b.

What type of changes does erosion cause? A physical B chemical C electrical D magnetic

Which of the following will exert a force on a magnet? another magnet a nearby piece of glass a nearby piece of plastic a nearby electric current

The rate at which light energy is radiated from a source is measured in which of the following units? A. Lumen B. Candela C. Lux D. Angstrom

Which type of energy makes up most of the internal energy of a solid substance? A. Kinetic energy from translation B. Kinetic energy from rotation C. Kinetic energy from vibration D. Potential energy from intermolecular forces