Scientific measurement

According to the pie chart, the United States relies on fossil fuels for about what percentage of its energy?

• 30%
• 45%
• 60%
• 80%

Which of the following best describes the motion of the squirrel between 5 s and 8 s? 

• The squirrel's speed increased.
• The squirrel's speed decreased.
• The squirrel's speed did not change.
• The squirrel moved backward.

Which of the following statements about the motion of the squirrel is true?

• The squirrel moved with the greatest speed between 0 s and 5 s.
• The squirrel moved with the greatest speed between 8 s and 10 s.
• The squirrel moved with a constant speed between 0 s and 8 s.
• The squirrel moved with a constant speed between 5 s and 10 s.

What is the relationship between the independent variable and the dependent variable?

• As time increase, distance decreases
• As time increases, distance increases
• As time decreases, distance decreases
• As time decreases, distance increases

What would be the best scale for this data?
Days       Cm
  1            1.0
  2            3.5
  3            5.0
  4            8.5

• count by fives to 10
• count by tens to 100
• count by ones to 5
• count by ones to 10

What is the control for the experiment? 

• the thing being tested
• the normal situation
• what we measure in the end
• what we change 

What is a constant? 

• the normal situation
• the thing we measure in the end
• the thing we are testing
• the thing we keep the same for every part of the experiment

The graph shows the results of a survey to determine student's favorite pets. Why is this graph misleading?

• The slices are the wrong color
• The slices are not the correct size
• The percents do not add up to 100
• Not misleading

This type of graph is used to _______

• Compare different "groups"
• Compare something over time

The Independent/Manipulated Variable goes on the ___ axis

• x
• y