6th Grade Final Review

A marine polar climate would best describe which state?

• Florida
• Hawaii
• Iowa
• Alaska

Tides are caused by________

• the moon's gravity
• the sun's gravity
• the Earth's rotation
• tectonic plates

True or false: the same side of the moon always faces the Earth.

• True
• False

When the Earth lines up exactly between the moon and the Sun, a ___________ occurs.

• solar eclipse
• night
• lunar eclipse
• full year

The Big Bang occurred...

• 1.4 million years ago
• 14 million years ago
• 1.4 billion years ago
• 14 billion years ago

Scientists predict that ________ galaxies are in our universe.

• 16 million
  16 million
• 1.6 billion
• 16 billion
• 1.6 million

The Sun is a 

• yellow dwarf
• red giant
• black hole
• comet

A confirmed scientific rule that has been proven true by repeated experiments

• hypothesis
• theory
• question
• law

A tapeworm living in a human's body is an example of 

• commensalism
• mutualism
• parasitism
• predator prey

A bee that pollinates a flower is an example of 

• commensalism
• mutualism
• parasitism
• predator prey