The ball was a measured mass of 113 grams. This statement is

Jacob investigated chemical reaction by recording the color, smell and release of bubbles. What type of evidence did Jared use?

Which of these statements is a hypothesis?

Two students think that winter thunderstorms are always followed by snow. How could they test their hypothesis?

A student finishes her lab report saying. The mean average temperature in Louisville in June is 82 degrees. This statement is

Jenna flips a coin 10 times. Seven times it landed on heads and three times it landed on tails. Jenna concludes that coins always land on heads more than tails. Jenna might be wrong because

Students were investigating cleaners. They cleaned 5 desks in the classroom with a different brand of cleaner. One desk was not cleaned at all. What is the control for this experiment?

Students shoot a marble across a spring with a spring loader plunger. They use a different amount of force each time. They measure how far the marble rolls.What is the dependent variable?

A student wants to see if different colored boxes are the same temperature when placed in the sun. What is the dependent variable?

A gardener wants to know if fertilizer will make his roses grow taller. Which plant would be the CONTROL in this experiment?

On the first trial a student rolls a car down a ramp and measures how far it rolls. On the second trial he doubled the height of the ramp and adds sandpaper to give it more friction. Why is this experiment invalid?

A student want to find a plant that will survive in a hot, dry climate. Shee plants four different plants in the desrt and measures their growth each week. What is the independent variable?

After performing an experiment, what should a scientist do to make sure his findings are correct?

A student wants to discover how much water is needed for a potato plant to grow. What is the independent variable?

A frog was hungry. It saw a green bug. I bet that bug will taste good, thought the frog. With a flick of its tongue the frog ate the bug. Yuck! said thee frog. That bug tastes gross. What was the frog's hypothesis?

A well-designed experiment should have a hypothesis.

Which statement about the kittens is an inference?

A frog was hungry. It saw a green bug. I bet that bug will taste good, thought the frog. With a flick of its tongue the frog ate the bug. Yuck! said thee frog. That bug tastes gross.What was the frog's problem?

A frog was hungry. It saw a green bug. I bet that bug will taste good, thought the frog. With a flick of its tongue the frog ate the bug. Yuck! said thee frog. That bug tastes gross. What was the test?

A frog was hungry. It saw a green bug. I bet that bug will taste good, thought the frog. With a flick of its tongue the frog ate the bug. Yuck! said thee frog. That bug tastes gross. What is the conclusion?

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