Worksheets8th. Review Ch 1, 1-2
Total questions: 17
Worksheet time: 33mins
Fill in the blank: After years of research, scientists concluded that a (a) is a well-tested explanation that unifies a broad range of observations about the natural world.
True or False: During a science fair, Ethan followed a strict, unchanging order in his experiment to test the effects of sunlight on plant growth. Is he correct?
True
False
True or False: In a science fair, Ethan proposed a hypothesis that plants grow faster with music. He believes this is a final answer and never changes. Is he correct?
True
False
True or False: During a science fair, Emma meticulously records all the data from her experiments to ensure accuracy. Is she correct?
True
False
True or False: In a science class, Grace learned that Earth science includes the study of biology and chemistry. Is she correct?
True
False
True or False: Scientists can only conduct experiments in a lab.
True
False
True or False: In a science class, David claims that a theory is just a random guess. Is he correct?
True
False
Nora is conducting an experiment to see how different types of soil affect plant growth. She carefully records her observations of the plants' growth over several weeks. True or False: Observations are a key part of the scientific method.
True
False
Noah is observing the pond in his backyard during different times of the day. He notices that the water temperature changes based on the position of the sun in the sky. True or False: The angle of sunlight can affect water temperature.
True
False
True or False: In a scientific experiment, a control setup includes the variable being tested.
True
False
Ava conducted an experiment to test the effects of sunlight on plant growth. After several weeks, she concluded that plants exposed to more sunlight grew taller than those in the shade. True or False: Good scientific conclusions, like Ava's, can be repeated by other scientists.
True
False
Open-Ended: Imagine a scientist named Luna who is studying the effects of a new fertilizer on plant growth. After conducting her initial experiment, she wonders why it is important to repeat the experiment to ensure her results are accurate. What do you think?
Open-Ended: How does using the scientific method help solve real-life problems? For instance, if Noah is trying to figure out why his plants are not growing well, he might use the scientific method to test different variables like soil type, water amount, and sunlight exposure. How can this approach lead to a solution?
Open-Ended: Anika is studying the principles of physics in her class. She learns that a scientific law describes a consistent relationship observed in nature, like the law of gravity, while a scientific theory explains why that relationship exists, such as the theory of relativity. What is the difference between a scientific law and a scientific theory?
True or False: A scientific theory can be disproven by new evidence.
False
True
True or False: In a scientific conference, researchers present their findings to their peers for evaluation. This peer review process is an important part of the scientific process.
True
False
True or False: In a scientific experiment conducted by Daniel, all variables should be kept constant to ensure valid results.
True
False
