34 Questions
Which treatment led to the quickest germination of store-bought coneflowers?
Acid treatment
What was the third type of seed to sprout?
Wild seeds treated with acid
When did the wild type seeds treated with cold stratification begin their germination?
Day 17
What impact did the acid treatment have on the growth of store-bought coneflowers?
Most growth throughout the time period
Which type of seeds germinated at day 25?
Non-treated wild type seeds
What was the first type of seed to germinate?
Store-bought coneflowers treated with acid
What type of treatment did the store-bought seeds treated with cold stratification receive?
Cold stratification
What hypothesis was entirely supported by the results of the investigation?
Store bought plants treated in acid would germinate the quickest
What method was used to assess germination rates and times?
Statistical analysis using appropriate software
What was the aim of the meticulous experimental design and methodology used?
To provide reliable insights into the effectiveness of different germination treatments for Echinacea seeds
What is the term for a possible explanation about an observed phenomenon that can be tested by scientific experiments?
Hypothesis
Which term refers to a logical explanation of an observation drawn from prior knowledge or experience?
Inference
What is the term for an explanation of observations based on knowledge gained from many investigations?
Scientific theory
Which concept describes the practical use of scientific knowledge, especially for industrial or commercial purposes?
Technology
What term describes a pattern or event in nature that is always true?
Scientific law
Which concept involves comparing existing knowledge with new information to assess agreement?
Critical thinking
What is the term for the number of digits in a measurement known with a certain degree of reliability?
Significant digits
Which term describes how close a measurement is to an accepted or true value?
Accuracy
Which of the following is NOT one of the 7 base units?
Joule
What is the primary difference between accuracy and precision?
Accuracy describes how close a measurement is to the true value, while precision describes the closeness of repeated measurements.
Which concept is defined as using one or more senses to gather information and take note of what occurs?
Observation
If a measurement has 4 significant digits, which of the following could be a valid value?
0.0045
What is the primary purpose of a scientific theory?
To explain observations or events based on many investigations.
Which concept involves using prior knowledge or experience to provide a logical explanation for an observation?
Inference
Which term refers to the investigation and exploration of natural events and new information resulting from those investigations?
Science
A scientist makes a $10^{-4}$ molar solution. How many significant digits are there in the concentration?
2
Which of the following is the best definition of 'scientific law'?
A description of a pattern or event in nature that is always true
What is the primary purpose of making an inference?
To provide a logical explanation of an observation based on prior knowledge
Which of the following best defines 'technology'?
The practical use of scientific knowledge, especially for industrial or commercial use
If a measurement has 3 significant digits, which of the following values could be valid?
1.200
Which concept involves comparing existing knowledge with new information to assess agreement?
Critical thinking
Which of the following is the best definition of a 'hypothesis'?
A possible explanation about an observed phenomenon that can be tested
What is the primary difference between accuracy and precision?
Accuracy describes how close a measurement is to an accepted value, while precision describes how similar measurements are to each other
Which term refers to the investigation and exploration of natural events and new information resulting from those investigations?
Science
Learn about the effectiveness of gibberellic acid compared to cold stratification in promoting coneflower seed germination. Discover implications for commercial growers and hobbyists seeking efficient propagation methods.
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