Plan Fair Tests

Grade 5 Science Worksheet

Read each part of the test. Circle what it is.

1. 1.

   Test: Which brand of popcorn pops the most kernels? What is "the cooking time" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
2. 2.

   Test: Which soil holds the most water? What is "the amount of soil" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
3. 3.

   Test: Which detergent removes the most stain? What is "how much of the stain is gone" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
4. 4.

   Test: Does the size of a parachute change how fast it falls? What is "the size of the parachute" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
5. 5.

   Test: Does the color of a cup change how fast water warms in the sun? What is "the starting temperature" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
6. 6.

   Test: Which paper airplane design flies farthest? What is "the distance flown" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
7. 7.

   Test: Which paper airplane design flies farthest? What is "the design of the plane" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
8. 8.

   Test: Which detergent removes the most stain? What is "the type of detergent" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
9. 9.

   Test: Does the number of batteries change how bright a bulb is? What is "the wires used" in this test?

   • the one thing you change
   • what you measure
   • what you keep the same
10. 10.

    Test: Does the color of a cup change how fast water warms in the sun? What is "the color of the cup" in this test?

    • the one thing you change
    • what you measure
    • what you keep the same