Social media and Web 2.0 are the same thing.

Make a list of all the phases of the Moon. For four of the phases, describe approximately when the Moon rises and sets and reaches the zenith point. (Please label the phase clearly when you give the rise, set, and zenith times.)

The Great Pyramid of Giza was constructed nearly 5000 years ago. Within the pyramid, archaeologists discovered a shaft leading from the central chamber out of the pyramid, oriented for favorable viewing of the bright star Thuban. Thinking about Earth’s precession, explain why Thuban might have been an important star to the ancient Egyptians.

Parallaxes of stars were not observed by ancient astronomers, which is one of the reasons they rejected the idea of a heliocentric model of the universe (everything orbits the Sun) in favor of the geocentric model (everything orbits the Earth). Why were they unable to observe stellar parallaxes? 

Liz (used to, ride) ____ a motorbike, but last year she (sell) ____ it and (buy) ____ a car.

(Used to, eat) ____ a lot of sweets when you (be) ____ a child?

I (see) ____ you in the park yesterday. You (sit) ____ on the grass and (read) ____ a book.

Tom (burn) ____ his hand when he (cook) ____ the dinner.

Dennis (give up) ____ smoking two years ago. He (used to, smoke) ____ 40 cigarettes a day.

This time last year I (live) ____ in Brazil.