Which of the following statements would be the best hypothesis for an investigation studying weather systems?

Which of the following is a necessary characteristic of a valid scientific hypothesis?

A scientist studying lizards observes that they run faster on the day he feeds the lizards vitamins with meals. What hypothesis could explain why the lizards are performing better?

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

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?

Joanne is using the following tool to record temperature data. Which tool and unit of measure is Joanne using to collect data?

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?

Forecasts about what may happen in future situations are

Conclusions based on evidence about events that have already occurred are

Final judgments based on facts gathered during experiments are

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