Chapter 2 L2 Exit Ticket

Define Comet

• A comet is a type of asteroid that is made up of rock and metal.
• A comet is a small planet that orbits the Sun and has no atmosphere.
• A comet is a type of meteoroid that is composed of iron and nickel.
• A comet is a celestial object composed of ice, dust, and gas that orbits the Sun and develops a glowing coma and sometimes a tail when it approaches the Sun.

Organize these options into the right categories

Groups:

(a) meteor

,

(b) meteoroid

• was a meteroid

• becomes a meteor when it enters the atmosphere

• Doesn't burn up in atmosphere

• burns up in atmosphere

• enters Earth's atmosphere

• never enters Earth's atmosphere

In a space mission, you are tasked to explore the asteroid belt. Which two planets would you find the asteroid belt located between?

• Earth and Venus

• Saturn and Uranus

• Mercury and Neptune

• Mars and Jupiter

During a school trip to the planetarium, the guide referred to Pluto as a(n)_______.

Imagine you are a scientist studying the formation of the solar system. What role does gravity play in this process?

• Gravity only affects the formation of stars, not the formation of planets in the solar system.

• Gravity causes the expansion of a giant molecular cloud, preventing the formation of a protostar and planets.

• Gravity caused a cloud of dust and gas to contract, forming the Sun. Gravitational attraction also caused the gas and dust orbiting the sun to clump and from objects that orbit the sun.

Tags

NGSS.MS-ESS1-2

Explain why each of the planets below has a blue color.

Groups:

(a) Earth

,

(b) Neptune

• Large amounts of liquid water.

• Methane in its atmosphere.

Label the planets in our solar system.

Tags

NGSS.MS-ESS1-3

Why do comets become smaller each time they get close to the sun?

Ganymede is an object that orbits Jupiter. It is larger than Mercury, and it is round in shape. Should Ganymede be classified as a planet, dwarf planet, a moon or an steroid. Why?

Tags

NGSS.MS-ESS1-3

Reorder from smallest to largest.

• meteroids

• dwarf planet

• comets or asteroids

• satellites

• planet

Tags

NGSS.MS-ESS1-3