A researcher wants to investigate the impact of salt water on the growth of plants. Which of the following would be the best hypothesis for this experiment?
A. I will add salt water to plants and observe how they grow.
B. Plants need water to grow, and they should also be exposed to sunlight.
C. If salt water is used to water plants, then the plants will not grow as tall as those watered with tap water.
D. I think salt water will help plants grow taller.
3 answers
C. If salt water is used to water plants, then the plants will not grow as tall as those watered with tap water.
Which of the following would be a testable hypothesis?
A. If acid is added to a solution, then the pH of the solution will go down.
B. If certain foods are healthy for you, then they should also taste good.
C. Plants produce glucose as the end product of photosynthesis.
D. Dropping a ball from a height of 10 m will cause it to bounce back up 5 m.
A. If acid is added to a solution, then the pH of the solution will go down.
B. If certain foods are healthy for you, then they should also taste good.
C. Plants produce glucose as the end product of photosynthesis.
D. Dropping a ball from a height of 10 m will cause it to bounce back up 5 m.
A. If acid is added to a solution, then the pH of the solution will go down.