Paige's science

which question should you ask to find out the length of a planet's year? a. how large is the planet? b. how long does it take the planet to orbit the sun? c. how much does the planet tilt on its axis of rotation? d. how long does it take the planet to rotate on its axis?

b. how long does it take the planet to orbit the sun?

olympus mons is the largest volcano found on mars. It has a diameter of 624 km. The largest volcano on earth is Mauna Loa. The diameter of Mauna Loa is 120 km. Which statement is true about volcanos? a. mauna loa is bigger than olympus mons b. mauna loa is smaller than olympus mons c. mauna loa and olympus mons are the same size. d. mauna loa and olympus mons are difficult to compare

b. mauna loa is smaller than olympus mons

where is the kuiper belt located?

beyond neptune's orbit

Micah's friend said that in the spring, the shadow of an object gets shorter as the time of day gets later. Micah used a meter stick to measure the shadow cast by a street sign in his neighborhood. How is Micah thinking like a scientist? a. making an explanation first b. using sophisticated equipment c. making his own measurements d. accepting the friend's explanation for the changing appearance of shadows

c. making his own measurements

earth formed in a swirling disk of matter surrounding the sun. as particles in the disk collided and stuck together, they grew larger and some eventually became planets. what force was responsible for the collisions between these particles?

gravity

which statement must be true of any activity that is defined as being a scientific investigation

it must include observations about natural events or conditions

In order for a space shuttle to leave earth, it must produce a great amounts of fuel. However, once in space, the shuttle needs very little fuel. It circles earth while gravity pulls it towards earth. What term describes the motion of the shuttle around earth?

orbit

which planet has the most complex set of rings

saturn

what are the components of the solar system, from the center of the solar system outward?

sun, inner planets, outer planets

what is apparent magnitude

the brightness of a star as it appears from earth