Science quarterly assessment #1 LES

In order from Closest to the sun what Planets are in our Solar system

• Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus, Neptune.

• Venus,Earth,Mercury,Jupiter,Earth,Neptune,Uranus,Mars

• Uranus,Neptune,Saturn,Jupiter,Mars,Earth,Venus,Mercury

• Mercury,Venus,Earth,Mars,Jupiter,Saturn,Neptune,Uranus.

What is a comet

• Dust and ice orbiting in space.

• A small rocky body orbiting in space.

• A blown out meteroid

• A dwarf planet

What causes it to change seasons? 

• The tilt of the earths axis. 
• when the sun is closer to the northern hemisphere. 
• gravity.
• the orbit.

What is Revolution?

• the motion of one object around another.
• A cycle of space..
• The earth orbiting the sun.
• Some type of space thing. :)

What is Rotation?

• The act of spinning.. :)
• The act of space.
• The milky way.
• Some type of planet. :O

Refers to the spinning of our planet on its axis. This takes 24 hours and is responsible for day and night. 

• Rotation
• Revolution
• Shadow
• Axis

Reflection occurs when-

• a wave bends around a barrier.

• a wave bends as it moves from one medium to another.

• the substance through which a wave can travel is moving rapidly up and down.

• when a wave strikes an object or surface and bounces off.

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Which has the fastest speed?

• Sound

• Light

These are mostly found between Mars and Jupiter. 

• dwarf planets
• asteroids
• meteoroids
• comets