Solar System

Leroy learned that Earth revolves around the Sun. What is a result of earth revolving around the Sun?

• There are 24 hours in a day.

• There are about 365 days in each year.

• There is a day and night

• There are different seasons in a year.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

The planets of our solar system are divided into inner and outer planets. Which statement describes how inner planets are different from outer planets?

• Inner planets are large and rocky, and outer planets are small and gaseous.

• Inner planets are small and rocky planets, and outer planets are large and gaseous.

• Inner planets are large and gaseous, and outer planets are small and rocky.

• Inner planets are cold, gaseous planets, and outer planets are hot, rocky planets.

Which statement accurately compares our galaxy to our Solar System?

• Our Solar System includes the Moon, but our galaxy does not.

• Our galaxy is very small compared to our Solar System.

• Our Solar System has only the planet Earth, but our galaxy includes many planets.

• Our galaxy has more stars than our Solar System has planets.

Which statement about moons is NOT true?

• Moons can be different sizes.

• Moons are composed of gases and dust.

• Moons orbit around planets.

• Moons have craters.

Tags

NGSS.MS-ESS1-1

How would the appearance of the Moon change if it stayed the same distance from earth, but stopped moving around its orbit?

• It would disappear from the sky altogether.

• It would still move through the sky and change phases as normal.

• It would still move through the sky, but no longer change phases.

• It would appear to stand still in the sky.

Tags

NGSS.MS-ESS1-1

In addition to the many stars in the Milky Way galaxy, which of these best describes the parts that make up most of the galaxy?

• planets and moons

• liquid water and organisms

• asteroids and comets

• gas and dust

Which statement is NOT about the gas planets?

• The gas planets are relatively large and massive.

• The gas planets have no solid surface.

• The gas planets orbit closest to the Sun.

• The gas planets rotate on a tilted axis.

The chart describes characteristics of an object in space. What is the object?

• a moon

• a planet

• an asteroid

• a comet

Scientists discovered an object in another solar system. The object is massive, gaseous, cold, has rings, and revolves around a star similar to our Sun. In which category does the object best fit?

• an asteroid

• a comet

• an inner planet

• an outer planet

Mercury orbits the Sun in 88 in days, while Earth orbits the Sun in 365 days. Which statement explains the difference in orbit time?

• Mercury is closer to the Sun than Earth is.

• Mercury travels around a smaller portion of the Sun than Earth does.

• Mercury is smaller than Earth.

• Mercury rotates on it axis slower than Earth does.

Tags

NGSS.MS-ESS1-1