ACT Science Verified Exam Questions and Correct Answers (Guaranteed Pass).

ACT Science Verified Exam Questions
and Correct Answers (Guaranteed Pass)
Passage 1: Plant Growth
A group of students tested how sunlight affects plant growth. They placed one plant in
full sunlight, one plant in partial sunlight, and one plant in complete darkness. After two
weeks, the plant in full sunlight grew 12 cm, the plant in partial sunlight grew 7 cm, and
the plant in darkness grew 1 cm.
1. Which plant grew the most?
 A. The plant in darkness
 B. The plant in partial sunlight
 C. The plant in full sunlight
 D. All plants grew equally
Answer: C. The plant in full sunlight
2. How much did the plant in partial sunlight grow?
 A. 1 cm
 B. 5 cm
 C. 7 cm
 D. 12 cm

, Answer: C. 7 cm
3. What can be concluded from the experiment?
 A. Plants grow best without sunlight
 B. Sunlight helps plants grow
 C. Darkness helps plants grow faster
 D. Sunlight has no effect on plants
Answer: B. Sunlight helps plants grow
4. Which variable was changed in the experiment?
 A. Type of plant
 B. Amount of water
 C. Amount of sunlight
 D. Soil type
Answer: C. Amount of sunlight

Passage 2: Water Temperature
Scientists measured how long it took ice cubes to melt in water at different
temperatures. In cold water, the ice cube melted in 15 minutes. In room-temperature
water, it melted in 8 minutes. In hot water, it melted in 2 minutes.
5. In which water did the ice cube melt the fastest?
 A. Cold water
 B. Room-temperature water
 C. Hot water
 D. It melted at the same rate in all water
Answer: C. Hot water
6. How long did the ice cube take to melt in room-temperature water?
 A. 2 minutes
 B. 8 minutes
 C. 10 minutes
 D. 15 minutes
Answer: B. 8 minutes
7. What trend does the data show?
 A. Ice melts faster in colder water
 B. Ice melts slower in hotter water
 C. Ice melts faster as water temperature increases
 D. Water temperature does not matter
Answer: C. Ice melts faster as water temperature increases