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Q: In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experiment is performed, the independent
variable is
A: wavelength of the light shining on a plant
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User: In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experiment is performed, the independent variable is

Weegy: wavelength of the light shining on a plant
japs2310qa|Points 1979|

User: In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experiment is performed, the dependent variable _____. will be the wavelength of the light will be the plant on which the light is shining will be the rate of photosynthesis cannot be determined

Weegy: If this experiment is performed, the dependent variable will be the rate of photosynthesis cannot be determined.
OxTornado007|Points 6729|

User: In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experiment is performed, _____. the rate of photosynthesis will increase the plant will die the rate of photosynthesis will slow down the result can be determined

Weegy: wavelength of the light shining on a plant
japs2310qa|Points 1979|

User: In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experiment is performed, _____. the rate of photosynthesis will increase the plant will die the rate of photosynthesis will slow down the result can be determined

User: A scientific law explains why or how certain events or patterns happen.

Weegy: A scientific law is a statement that explains what something does in science. A scientific law must always apply under the same conditions, and implies a causal relationship between its elements.
sipichapie|Points 4779|

User: A scientific law explains why or how certain events or patterns happen. True False

Weegy: no that isn't false at all.
mmjurad29|Points 40|

User: A scientist _____. systematically studies and analyzes facts draws conclusions based on public opinion draws conclusions based on logical thinking Question #3MultipleChoice Score: Look at the following scene. Which of the following statements is an opinion? The spider has at least 8 legs.The fly has wings.The spider is going to eat the fly.The leaf is dead. Question #4MultipleChoice Score: Although the scientific method is a cyclic process, when investigating a problem for the first time, you must start somewhere. Which of the following should be the first step in an investigation? draw conclusionscollect datadefine the problemanalyze the data Question #5Matching Score: Match the following terms to their definitions. 1. empirical evidence the variable that changes in response to experimentation 2. independent variable the experimental factor that is changed by the scientist 3. dependent variable a proposed explanation for a scientific problem 4. control the quantity in an experiment that remains unchanged 5. hypothesis data or facts that can be observed Question #6MultipleChoice Score: Suppose an experiment is designed to test the durability of batteries in different conditions. All of the batteries tested are double-A (AA) Brand X. All sets of batteries are preconditioned in different environmental conditions for exactly 168 hours (1 week). Set 1: 0°C (freezing point of water) Set 2: 24°C (approximately room temperature) Set 3: 37°C (approximately body temperature) The batteries are then continuously used to power identical mechanical drummer toys. As long as the toy keeps drumming the battery is considered functional. The drumming time for each toy is measured as an indication of battery durability. In this experiment, which condition is not controlled? temperaturebrand of batteriestest for durabilitytype of battery (battery size) Question #7TextMultipleChoice Score: Suppose an experiment is designed to test the durability of batteries in different conditions. All of the batteries tested are double-A (AA) Brand X. All sets of batteries are preconditioned in different environmental conditions for exactly 168 hours (1 week). Set 1: 0°C (freezing point of water) Set 2: 24°C (approximately room temperature) Set 3: 37°C (approximately body temperature) The batteries are then continuously used to power identical mechanical drummer toys. As long as the toy keeps drumming the battery is considered functional. The drumming time for each toy is measured as an indication of battery durability. Which of the following would be the best hypothesis for the above experiment? Battery life is effected by the environmental temperature at which it is stored.If batteries are stored at cooler temperatures, they will be able to power mechanical devices for longer periods of time.If batteries are stored at cooler temperatures, they will deliver stronger levels of power to mechanical devices. Question #8TrueFalse Score: Research is done only after a hypothesis is written. TrueFalse Question #9MultipleChoice Score: Which of the following would be the least reliable source of information? science textbookgovernment internet siteweekly news magazinereference journal at the library Question #10TrueFalse Score: Experimenting to determine the fundamental properties of X-rays would be an example of basic research. TrueFalse

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Asked 3/11/2013 3:14:38 PM
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