6th Grade Challenge

Which planet is closest to the Sun?

• Earth

• Jupiter

• Mercury

• Mars

Choose components of our solar system.

• nebulas

• planets

• Kuiper Belt

• Neutron Star

• black holes

Why was Pluto declassified as a star?

• It is just outside of our solar system

• It is too cold to be a planet

• It is too small to be a planet.

• It does not follow an orbit around the sun.

How do scientists see into deep space?

• microscope

• telescope

• Hubble space telescope

• eye

What is the rule?

What is the rule?

What is the value of the missing input? 

• 25
• 30
• 74
• 26

If y = x + 3, what is y if x = 4?

• 4

• 3

• 7

• 10

Write the equation for the table given

• y = x + 3

• y = 3x

• y = x - 3

• y = x/3

Why do planets orbit the sun (and not float around in space)?

• the moons are keeping them in place
• They were hit by an asteroid
• they were hit by a comet
• the sun's gravity keeps them in place