Harnessing Human Energy, Chapter 1

Which of the following is a scientific claim?

• Plants grow faster in sunlight

• Water in a wide, shallow dish evaporates faster than in a narrow, deep glass dish

• Air is matter

• All of the responses are correct.

Which of the following is scientific evidence?

• Plants that are exposed to sunlight grow faster than those that do not recieve sunlight.

• Water is wet.

• Air is made up of molecules

• None of these responses is scientific evidence.

Which of the following is an example of scientific reasoning?

• The Minnesota Twins are Ms. Johnson's favorite baseball team, therefore, they will win the world series.

• Matter is made up of molecules and molecules are always moving, therefore, matter is always moving.

• Ms. Mulder teaches Math, therefore, she is the smartest teacher on the Red Team.

• My cousin's feet smell really bad, therefore, I know she doesn't shower very often.

Which of the following has potential energy? Choose all that are correct. (2 points)

• an apple in the refrigerator

• gas in a parked car

• a rollercoaster at the top of a hill

• a wind turbine spinning

Tags

NGSS.MS-PS3-2

Which of the following has kinetic energy?

• an apple in the refrigerator

• gas in a parked car

• a rollercoaster at the top of a hill

• a wind turbine spinning

Tags

NGSS.MS-PS3-1

Which items have energy? Choose all that are correct.

• dirt

• a chair on the floor

• skittles

• Julien Alfred running the 100 meter dash in the Paris Olympics

Tags

NGSS.MS-PS3-5

Which of the following describes a system that can produce kinetic energy?

• light source, battery and wire

• solar cell, battery and lightbulb

• wires and a propellar

• light source, solar cell, wires, motor and propellar

Which of the following is NOT a safety guideline for our Science Investigations?

• Follow instructions.

• Don't taste things.

• Chase your partner down to get your pencil back.

• Be calm and careful.

Which of the following is true about energy? Choose all that are correct. (2 points)

• Energy can make things move.

• Energy can make things change.

• Energy comes from moving objects.

• Objects that are not moving contain energy.

Tags

NGSS.MS-PS3-5

What is energy? (2 points)

• The color of an object

• The smell of an object

• The ability to do work or cause change

• The sound an object makes