Q Question 1 0.5 / 0.5 pts You are conducting another experiment on plants: Question What is the right amount of water and sunlight needed to grow tall bean plants? Hypothesis Plants that receive water every other day will grow taller than bean plants that receive water every day or every 3 days. Experiment Plant 30 seed. One group of 10 plants is water daily. One group of 10 plants gets water every other day. One group of 10 plants is watered every 3 days. Every plant gets 20 ml of water when it is watered. Observation You notice that the group of plants receiving 20 ml of water every day has, on average, grown taller than the group of plants being watered every other day or every 3 days. Which of the following is a control variable in this experiment? Question 2 0.5 / 0.5 pts You are conducting another experiment on plants: Question What is the right amount of water and sunlight needed to grow tall bean plants? Hypothesis Plants that receive water every other day will grow taller than bean plants that receive water every day or every 3 days. Experiment Plant 30 seed. One group of 10 plants is water daily. One group of 10 plants gets water every other day. One group of 10 plants is watered every 3 days. Every plant gets 20 ml of water when it is watered. Observation You notice that the group of plants receiving 20 ml of water every day has, on average, grown taller than the group of plants being watered every other day or every 3 days. Which of the following is an independent variable in this experiment? Question 3 0.5 / 0.5 pts You are conducting an experiment on plants: Question Does talking to plants help them grow? Hypothesis A plant that is talked to will grow taller and produce larger flowers than plants that have not been talked to. Experiment Plant a seed, talk to the growing plant each day, and record how tall it grows. Observation You notice that the plant you are talking to is growing taller with more leaves and flowers than the same type of plant that is sitting in another room of the house which you are not talking to. Does this prove that talking to a plant helps it grow? It does not. What is one hypothesis for why the plant being talked to is doing better than the one you are not talking to? Question 4 0.5 / 0.5 pts You are conducting another experiment on plants: Question What is the right amount of water and sunlight needed to grow tall bean plants? Hypothesis Plants that receive water every other day will grow taller than bean plants that receive water every day or every 3 days. Experiment Plant 30 seed. One group of 10 plants is water daily. One group of 10 plants gets water every other day. One group of 10 plants is watered every 3 days. Every plant gets 20 ml of water when it is watered. Observation You notice that the group of plants receiving 20 ml of water every day has, on average, grown taller than the group of plants being watered every other day or every 3 days. Which of the following is a dependent variable in this experiment?

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