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ACT Science

Practice questions covering biology, astronomy, data interpretation, and scientific method for the ACT Science section

11 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

The average solar radiation intensity over the past 250 million years is closest to..

  1. 400 watts/m2
  2. 480 watts/m2
  3. 440 watts/m2
  4. 520 watts/m2
Question 2 Multiple Choice (Single Answer)

How many thousands of years does this graph cover total?

  1. 50
  2. 100
  3. 150
  4. 250
Question 3 Multiple Choice (Single Answer)

What molecule is produced when lipids break down?

  1. ATP
  2. DNA
  3. Starch
  4. Amino Acids
Question 4 Multiple Choice (Single Answer)

Strain X Flies, how long would the flies stay alive if the % sugar & % killed yeast was 12%?

  1. Between 61.6 days and 62.5 days
  2. Between 58.9 days and 58.6 days
  3. Between 62.5 days and 58.9 days
  4. Between 58.6 days and 55.6 days
Question 5 Multiple Choice (Single Answer)

For Strain N flies, what percentage of yeast & killed sugar kept the flies alive for 41.6 days?

  1. 3%
  2. 5%
  3. 10%
  4. 15%
Question 6 Multiple Choice (Single Answer)

What is the average life span of Strain N Flies with 3% sugar & 3% killed yeast?

  1. 50.1 days
  2. 44.8 days
  3. 43.9 days
  4. 41.6 days
Question 7 Multiple Choice (Single Answer)

The hypothesis is...

  1. Prediction of what you think is going to happen.
  2. Is the factor being purposely changed or manipulated.
  3. Factor that responds to change in the Independent Variable.
  4. Things that stay the same throughout the entire experiment.
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