E/S Quarter 1 Review

Look at the colors in the picture of yarn, what is wrong with it based on what we've learned in class about visible light.

• There is nothing wrong.
• The colors are not in order according the wavelength size.
• The colors are the wavelength that is reflected.
• The colors are just yarn, there is nothing to do with class.

Which is the correct sequence of visible light?

• Red, Orange, Yellow, Green,Indigo,Violet
• Violet, Blue, Green, Red, Yellow, Orange
• Violet, Red, Green, Yellow, Orange. Blue
• Red, Orange, Yellow, Green, Blue, Indigo, Violet

Which type of electromagnetic wave has the longest wavelength?

• Radio waves
• Visible Light
• Ultraviolet
• Gamma Rays

Which type of electromagnetic energy has a shorter wavelength than ultraviolet waves?

• visible light
• x rays
• microwaves
• infrared light

Which diagram represents electromagnetic energy with the shortest wavelength?

• A
• B
• C
• D

What is a piece of evidence that we have from stars to support the Big Bang Theory?

• The rotation of galaxies.
• The increasing distance to other stars.
• The size of the star.
• The size and shape of the star.

How does elemental composition show the timeline after the Big Bang?

• A. Over time, there is more Oxygen than Helium.
• B. Over time, more Hydrogen is made than Carbon.
• C. Over time, there is more Hydrogen than Helium.
• D. Over time, Carbon and Helium will be in the same proportion.

What is the approximate estimation of the age of our Universe?

• 4.6 billion years
• 8 billion years
• 9.5 billion years
• 14 billion years

Scientists have also detected a cosmic microwave background radiation or CMBR. This is received from all parts of the Universe and is thought to be the heat left over from the original explosion.

• True
• False

What does Red shift tell us?

• Red things get hotter
• Hot things get redder
• The object is moving towards us
• The object is moving away from us