Review for Energy Test I

What is measured with a spring scale?

• mass
• weight
• force
• force and weight

What is measured with a triple beam balance?

• mass
• weight
• force
• force and weight

Who is doing work?

• Weight lifter holding 500 pounds above his head
• Person reading a book
• Person dusting
• Person sleeping

What is an example of elastic potential energy?

• pulling back the bow of a bow and arrow
• running up a hill
• an apple at the top of a tree
• singing a song

Where is the most potential energy?

• flat on the floor
• on top of a 2' chair
• on top of a 4' table
• on the roof top of a house

Which variable is the ONE variable that changes in an experiment?

• controlled
• manipulated
• dependent
• responding

What is another name for a manipulated variable?

• responding
• dependent
• independent
• outcome

What is the outcome of an experiment?

• manipulated variable
• independent variable
• responding variable
• controlled variable

Which is a qualitative observation?

• The ducks are wet from the rain.
• The student scored 100%.
• All of the people were absent.
• The dog sat.

Which is a quantitative observation?

• The girls are jumping rope.
• The meal is hot.
• My arm is broke in two places.
• The skunk stinks.