Science first test

What is a law in science?

• A law in science is a description of what we find happening over and over with no exception.

• A law in science is a theory that explains why things happen.
• A law in science is a hypothesis that has not been tested.
• A law in science is a personal opinion about natural phenomena.

What is a theory in science?

• A theory in science is an idea, principle or model that ties together facts with a great deal of evidence. It is well tested.

• A theory is an untested hypothesis.
• A theory is a simple statement without evidence.
• A theory is a guess about future events.

What is an observation in science?

• An observation in science is information gathered using senses; may be qualitative or quantitative.

• An observation is a theory that explains phenomena.
• An observation is a conclusion drawn from experiments.
• An observation is a hypothesis that needs testing.

What is an inference in science?

• An inference is a statement that cannot be tested.
• An inference is a guess without any evidence.
• An inference is a type of scientific experiment.
• An inference in drawing conclusion based on prior knowledge.

What is precision in science?

• Precision is the average of all measurements.
• Precision is the consistency of repeated measurements; how close measurements are to each other.

• Precision is the difference between the highest and lowest measurements.
• Precision refers to the accuracy of a single measurement.

What is accuracy in science?

• Accuracy is the closeness of a measured value to the true value.
• Accuracy is the average of all measured values.
• Accuracy refers to the consistency of repeated measurements.
• Accuracy is the difference between measured values and their average.

Analysis is

• a method for collecting data
• a study of the data looking for patterns, errors, and meaning.

• the process of ignoring data
• the act of summarizing data

Conclusion is

• The conclusion is a list of references used in the document.
• The conclusion is a detailed analysis of the evidence.
• a judgement that tells whether the data does or does not support the hypothesis.

• The conclusion is an introduction to the topic.

What is a data table?

• A data table is a type of database.
• A data table is an organized chart to record and keep data from the experiment.

• A data table is a collection of images.
• A data table is a graphical representation of data.

Data is

• Data is a type of software.
• Data is a physical object.
• Data is a form of currency.
• Data is collection of facts-usually numbers.