Unit 1 (Week 2) Homework

The study of the solid Earth.

• Geology

• Meteorology

• Hydrology

• Astronomy

Almost 70% of the Universe is comprised of The Universe is comprised of

• dark matter

• dark energy

• baryonic matter

• normal matter

Ordinary Matter is also known as

• dark matter

• dark energy

• baryonic matter

• normal matter

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

The elliptical paths of the planets around the Sun are known as

• cycles

• revolutions

• ellipticals

• orbitals

An example of electromagnetic energy is

• a falling rock

• a speeding train

• a stretched spring

• sunlight