1.)TRUE OR FALSE: Scientific investigations involve testable questions. *

True
False

2.)Which of the following would not be a reliable place to find research for a scientific investigation? *

science journals
experts
wikipedia
textbooks

3.)Why should a scientist reapeat an experiment several times before reporting the results? *

to make a reliable hypothesis
to prevent other scientists from doing the same thing
to fix any predictions that may have been incorrect
to ensure the results are valid and did not happen by accident

4.)Scientific theories are... *

supported by evidence
unable to change
based on opinions

5.)A student is conducting an experiment by dropping objects with different masses from the same height. The student records the time it takes for the object to reach the ground. What is the independent variable in this experiment? *

time the object travels
mass of the object
the stopwatch used
height from which the object is dropped

6.)Which of the following is true about scientific models? *

they are always accurate
it must involve electricity
helps people visualize a concept
it has to be on a computer

7.)Which of the following would be the best type of model for a person trying to learn about the location of oceans on the Earth? *

a map of the United States
a globe
a solar system poster

8.)Which of the following is part of scientific inquiry? *

knowing the answer before you start
guessing what happens instead of completing an investigation
conducting surveys on the topic
conducting experiments based on scientific questions

9.)When results of an investigation go against the hypothesis, what should be the result? *

throw out the investigation- something must have been incorrect
make up a new hypothesis- scientists don't want to be wrong
report the results- it is ok the hypothesis wasn't supported
start over with a new question- only move forward when the hypothesis is true

10.)If more than one variable is changed at a time, what happens? *

the scientist needs to complete more trials
the scientist cannot tell which change produced the results
the results will be more accurate

When a scientist conducts an investigation, which of the following is the first thing he or

she should do?

If you post your answers, someone may be able to check them.

01.B

02.C
03.D
04.A
05.IDK
06.C
07.B
08.IDK
09.IDK
10.IDK

10 b

1.) TRUE OR FALSE: Scientific investigations involve testable questions.

True

To get the answer to this question, you need to understand the concept of scientific investigations. Scientific investigations involve the systematic process of making observations, gathering evidence, formulating and testing hypotheses, and drawing conclusions. One essential aspect of scientific investigations is the presence of testable questions. These questions can be answered through experimentation and data analysis. By asking testable questions, scientists can design experiments to obtain meaningful and reliable results.

2.) Which of the following would not be a reliable place to find research for a scientific investigation?

Wikipedia

To answer this question, you need to evaluate the reliability of different sources of research. Reliable sources for scientific investigations include science journals, experts in the field, and textbooks. These sources undergo peer-review processes, have rigorous standards for information accuracy, and provide reliable and up-to-date research findings. On the other hand, while Wikipedia can provide general information, it is not considered a reliable source for scientific research as it can be edited by anyone and may not always contain accurate and peer-reviewed information.

3.) Why should a scientist repeat an experiment several times before reporting the results?

To ensure the results are valid and did not happen by accident

Repeating an experiment is crucial for scientific investigations. By conducting multiple trials, scientists can ensure that their results are valid and reliable. This process helps to reduce the impact of random errors and allows for a more accurate representation of the phenomenon being studied. It also provides an opportunity to identify any mistakes or inconsistencies and make adjustments to the experimental procedure if necessary. By repeating the experiment and obtaining consistent results, scientists can have confidence in their findings and report them accurately.

4.) Scientific theories are...

Supported by evidence

To answer this question, you need to understand the nature of scientific theories. Scientific theories are well-supported explanations based on a large body of evidence from multiple sources and experiments. They are not just mere opinions or random ideas. Scientists develop theories after extensive research and testing. These theories can provide explanations for natural phenomena and make predictions about future observations. The key aspect of scientific theories is that they are supported by substantial evidence.

5.) A student is conducting an experiment by dropping objects with different masses from the same height. The student records the time it takes for the object to reach the ground. What is the independent variable in this experiment?

Mass of the object

To determine the independent variable in this experiment, you need to identify the factor that the student deliberately changes or manipulates. In this case, the student is dropping objects with different masses. Therefore, the independent variable is the mass of the object. The student is testing how different masses affect the time it takes for the objects to reach the ground.

6.) Which of the following is true about scientific models?

Helps people visualize a concept

Scientific models are tools that help scientists and individuals understand and visualize complex concepts. They can be physical, conceptual, or computer-based representations of objects, systems, processes, or phenomena. An important aspect of scientific models is that they are not always 100% accurate representations of reality. However, they can still be useful in simplifying and explaining complex ideas, allowing scientists and others to study and analyze phenomena more easily.

7.) Which of the following would be the best type of model for a person trying to learn about the location of oceans on the Earth?

A globe

To determine the best type of model for learning about the location of oceans on Earth, you need to consider the characteristic features of different models. In this case, a globe would be the most suitable model. A globe provides a three-dimensional representation of the Earth, accurately depicting the locations and sizes of continents and oceans. It offers a more realistic representation compared to a map of the United States or a solar system poster, which are more limited in their scope and relevance to the specific topic.

8.) Which of the following is part of scientific inquiry?

Conducting experiments based on scientific questions

Scientific inquiry refers to the systematic approach that scientists use to investigate natural phenomena. It involves various stages, including asking questions, formulating hypotheses, designing experiments, collecting data, analyzing results, and drawing conclusions. Of the options provided, conducting experiments based on scientific questions is an essential part of the scientific inquiry process. Experiments allow scientists to test their hypotheses, gather evidence, and gain a better understanding of the phenomenon they are studying.

9.) When results of an investigation go against the hypothesis, what should be the result?

Report the results - it is ok the hypothesis wasn't supported

When the results of an investigation go against the hypothesis, it is crucial to report the results honestly and accurately. Science values transparency and openness to all outcomes, even if they do not align with the initial hypothesis. Reporting the results allows other scientists to review and analyze the findings, contributing to the collective knowledge and understanding of the scientific community. When a hypothesis is not supported by the evidence, it does not mean the investigation was incorrect or a failure. Instead, it provides an opportunity to refine the hypotheses and formulate new research questions for future investigations.

10.) If more than one variable is changed at a time, what happens?

The scientist cannot tell which change produced the results

When more than one variable is changed at a time in an experiment, it becomes challenging to determine which specific change caused the observed results. In scientific investigations, it is crucial to change only one variable at a time while keeping all other factors constant. This approach allows scientists to make clear cause-and-effect relationships and draw meaningful conclusions. Changing multiple variables simultaneously can lead to confusion and ambiguity in interpreting the results, making it difficult to attribute specific outcomes to individual variables. Therefore, it is important to isolate and control variables to ensure accurate and reliable observations and conclusions.