A friend says that astronauts in orbit are weightless because they are beyond the pull of earths gravity. Correct your friends ignorance.

Kepler's third law can be used to compare the moon's orbit around the earth to the orbit of the earth around the sun.

Two horses begin at rest. After a few seconds, horse A is traveling with a velocity of 10m/s west, while horse B is traveling with a velocity of 13m/s west. Which horse had greater acceleration? A.

Every time you stir a pitcher of lemonade to make the sugar dissolve faster, you are observing which of the following?

A sound wave has a frequency of 295 Hz and travels the length of a football field, 91.4 m in 0.506 s. What is the period of the wave?

What makes magnetic objects different from non - magnetic objects? A. Electrons spin in different, random directions. B. Electrons spin in the same direction. C. Magnetic field flows from the North to the sides. D.

A wave has a wavelength of 9 mm and a frequency of 14 hertz. What is its speed?

Where would you weigh the most? Mars Pluto Earth The Sun The moon

A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage to 425 kV.

Match the example to the type of equipment category it fits best in. A Gym bag, workout clothes, hygiene essentials, proper shoes, water, ipod. B Hockey Stick Baseball Glove. Basketball. Pads. Helmet.

Energy transformations in a bouncy house