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Professor Lawler borrows a spaceship and loads one of the lasers from a physics lab into it. She flies away in a straight line at constant speed going exactly half the speed of light.   As she flies off, she shines a beam of light from the laser back towards the science center and has one of her students measure how fast the light is going. What does the student find?

Where on the periodic table can you find elements that typically will “take” two electrons in chemical reactions?

Which of these statements best describes the forces on the ball and bat? (Bats have more mass than the balls.)

In her devotional talk, “Finding Your Place in the Universe,” Dr. Stephens compared us to stars. What point was she making with this analogy?

Below is a mass spectrum for one of the molecules pictured above. Which molecules produced this spectrum?   

Earths’ mass and volume have been measured, and the planet’s density is about 4.5g/cm3. The rock samples collected on the surface  have densities of 3-4g/cm3 . What does this tell us about the Earth?

In which of these situations does the entropy of the universe increase?

What is the formula for molecule 1?

 What is the most likely description of the plates and plate motions  involved in forming the Gallo Mountains?

The next family member after molecule 3 will have what chemical formula?