ACT Science Questions

What does it mean to be “college ready” according to ACT?

• scores of 24 or higher on all subtests
• having a high school GPA of 3.0 or better
• able to gain acceptance to a four-year university
• capable of earning C or better in first-year college courses

A student wants to test the effects of type of exercise on heart rate.  What would be a proper hypothesis?

• If type of exercise affects the heart rate of a person, then jumping jacks will increase the heart rate the most
• Jumping jacks will cause the highest heart rate
• Exercise increases heart rate
• If exercise affects heart rate, jumping jacks will increase heart rate the most

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

What graph would you use if there are percentages involved?

• Pie chart
• Bar graph
• Line graph
• Data table

Which month showed the largest decrease in total imports over the previous month?

• February
• March
• April
• May

What was the total value of sheet steel (in $) imported over the 6 month period?

• $56.750
• $75,300
• $55,550
• $42,370

What was the percentage of scrap steel imported in the 6 month period?

• 37.5
• 35.2
• 31.3
• 38.3

What was the difference (in thousands of tons) in coil and sheet steel in the first 3 months of the year?

• 10
• 16
• 18
• 20

According to Figure 1, the mass of cheese remaining at 4 hr was closest to which of the following values?

• 140 mg

• 176 mg

• 185 mg

• 190 mg

The foods listed in Figure 1 are listed in order of the percent by mass of proteins, lowest to highest. As the percent of mass of proteins increased, the mass of food remaining at 28 hr:

• decreased only.

• increased only.

• decreased and then increased.

• increased and then decreased.