5th Grade Science

What part of the atom is NOT found in the nucleus?

• proton

• electron

• neutron

• quark

An atom that has 2 protons, 2 electrons, and 2 neutrons is atomic number ______ on the periodic table?

• 2

• 4

• 6

• 1

Which causes the day-and-night cycle on earth?

• Earth moving around the sun
• The sun moving around the Earth
• Earth tilting on its axis
• Earth spinning on its axis

How does tides form?

• by the earth going around the sun
• the earth going around the moon
• the sun going around the mars
• the moon going around the earth

To "revolve" means to _________________

• rotate
• spin
• move
• orbit

What galaxy do we live in?

• Black Hole
• Milky Way
• Milk Dud
• Three Musketeers 

Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

Where humans have bred organisms together based on traits we like.

• Evolution
• Natural Selection
• Extinction 
• Artificial Selection

Genetic differences between organisms of the same species

• Variation
• Adaptation
• Behavior
• Environment