One of these items transforms electrical energy into sound. It is A) a firecracker. B) a violin. C) a radio. D) a drum.

What Fitness Gram test is assessing your cardiovascular endurance?

What causes interstellar dust and clouds into plants and stars

What are the starting ingredients and products of photosynthesis and cellular respiration

A longitudinal wave moves energy that is to the direction of the wave's movement.

15 g of lead (specific heat = 0.128 J/g Celsius) at 120 Degrees Celsius is placed on a glacier of ice at 0 degrees Celsius. How much ice melts? (Lf of ice = 333 J/g)

Why is it important for engineers to design bumper cars safely

What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite