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Which of the following is a necessary characteristic of a valid scientific hypothesis?
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
Conclusions based on evidence about events that have already occurred are
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
Which of the following statements would be the best hypothesis for an investigation studying weather systems?
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
Joanne is using the following tool to record temperature data. Which tool and unit of measure is Joanne using to collect data?
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
An environmental group needs a plan to handle a population of rabbits that is eating endangered plants in the area. Which plan will prevent the loss of both the plants and rabbit?
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
Forecasts about what may happen in future situations are
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
Jaden is doing an experiment to find out if plants grow taller when given plain water or sugar water.To make sure his experiment is a fair test, Jaden should
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
Valerie hypothesizes that frogs lay more eggs in warm water than in cold water. When Valerie designs her experiment, what should be the only variable that changes?
A thermometer in degrees
water temperature
If the air pressure rises, then it is more likely to rain.
inferences
The hypothesis must be testable.
predictions
Trap and relocate the rabbits.
treat both groups of plants the same except for the amount of sugar in the water.
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