Question

Question
1
Question
2
Question
3
A)
Which of the following would be a testable hypothesis?
(1 point)
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.
If certain foods are healthy for you, then they should also taste good.
Dropping a ball from a height of 10 m will cause it to bounce back up 5 m.
A)
Which two adjectives describe a hypothesis?
(1 point)
conclusive and concrete
conditional and convincing
unobservable and untestable
tentative and testable
A)
A researcher wants to investigate the impact of salt water on the growth of plants. Which of thefollowing would be the best hypothesis for this experiment?
(1 point)
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.
I think salt water will help plants grow taller.
If salt water is used to water plants, then the plants will not grow as tall as those watered with tap water.
Question
4
Question
5
A)
What is a hypothesis?
(1 point)
a detailed report of experiment results
a testable statement that proposes a possible explanation
a collection of data from journals
a fact that has been proven by multiple experiments
A)
A student hypothesizes that increased sunlight will accelerate the growth of an avocado tree. Howcan the student test their hypothesis?
(1 point)
Record the temperature and humidity in the area where the avocado trees are growing.
Read articles about the effect of sunlight on photosynthesis and avocado tree growth.
Compare the growth rates of avocado trees exposed to varying amounts of sunlight over several weeks.
Measure the height of avocado trees once after exposing them to sunlight for a single day.

Answer 1

1) If acid is added to a solution, then the pH of the solution will go down.

2) tentative and testable

3) If salt water is used to water plants, then the plants will not grow as tall as those watered with tap water.

4) a testable statement that proposes a possible explanation

5) Compare the growth rates of avocado trees exposed to varying amounts of sunlight over several weeks.