Which of the following would be a testable hypothesis?(1 point)
Responses
Dropping a ball from a height of 10 m will cause it to bounce back up 5 m.
Dropping a ball from a height of 10 m will cause it to bounce back up 5 m.
If acid is added to a solution, then the pH of the solution will go down.
If acid is added to a solution, then the pH of the solution will go down.
Plants produce glucose as the end product of photosynthesis.
Plants produce glucose as the end product of photosynthesis.
If certain foods are healthy for you, then they should also taste good.
tentative and testable
If salt water is used to water plants, then the plants will not grow as tall as those watered with tap water.
vWhich two adjectives describe a hypothesis?(1 point)
Responses
conditional and convincing
conditional and convincing
unobservable and untestable
unobservable and untestable
conclusive and concrete
conclusive and concrete
tentative and testable
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?(1 point)
Responses
I think salt water will help plants grow taller.
I think salt water will help plants grow taller.
I will add salt water to plants and observe how they grow.
I will add salt water to plants and observe how they grow.
Plants need water to grow, and they should also be exposed to sunlight.
Plants need water to grow, and they should also be exposed to sunlight.
If salt water is used to water plants, then the plants will not grow as tall as those watered with tap water.
The testable hypothesis among the given options is:
If acid is added to a solution, then the pH of the solution will go down.