SCIENCE 101 > QUESTIONS & ANSWERS > ACT Science Questions and Answers | GRADED A (All)
ACT Science Questions and Answers | GRADED A
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Independent Variable Correct Answer: The variable that the scientist changes. (For example, if you are changing fertilizer brands to see which causes the most plant growth, the independent variable ... is the fertilizer brand.) Dependent Variable Correct Answer: the effect of the independent variable (For example, if you are changing fertilizer brands to see which causes the most plant growth, the dependent variable is the plant growth) Control Group Correct Answer: the group that does not receive the independent variable. Constant Correct Answer: A factor that stays the same across all test subjects and throughout the duration of the experiment positive correlation Correct Answer: when two variables increase together or decrease together negative correlation Correct Answer: when two variables change in opposite directions (one increases, the other decreases) pH range of acids Correct Answer: 0-7 (7 is neutral) pH range of bases (also called alkaline solutions) Correct Answer: 7-14 (7 is neutral) What reactants go into photosynthesis? Correct Answer: Carbon dioxide, water, and sunlight What does photosynthesis produce? Correct Answer: glucose and oxygen What is the equation for photosynthesis? Correct Answer: 6CO2 + 6H20 + sunlight --> C6H12O6 + 6O2 What subatomic particles comprise the atomic nucleus? Correct Answer: protons and neutrons [Show More]
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