Sound cannot travel through a vacuum. Explain why.

Observe the patten of earthquakes and volcanoes in relation to the crustal plates, are they scattered all over the plates or is it there a pattern? Describe your observations.

In a thermostat, what property of the bimetallic coil allows it to contract and expand? The two metals absorb different amounts of thermal energy. The two metals are placed perpendicular to each other. The two metals burn at different temperatures.

How much electrical energy is converted to light and thermal energy by a 160 - w light bulb in one day?

A car has a 12-v battery. if we hook it up to a 36 ohm resistor, what current will flow?

If you are asked to determine an objects speed, what information must you have? A: distance and period of time B: distance and direction C: period of time and direction D: distance and change in position

Four examples of fluids

Which best describes what occurs when a body accelerates?

What is the temperature change in 355 ml of water upon absorption of 34 kj of heat? (the specific heat capacity of water is 4.184 j/g∘c.) express your answer in degrees celsius?

When Cannon and Washburn measured stomach contractions with a balloon, they found that?

Which statement about the atomic nucleus is correct? a. The nucleus is made of protons and neutrons and has a negative charge. b. The nucleus is made of protons and neutrons and has a positive charge. c.