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32 Cards in this Set
- Front
- Back
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How are science and technology related? |
They are both interdependent. Advances in one lead to advances in the other. |
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How does earth science overlap with life science? |
They study things that live on the earth. |
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What are the building blocks of matter? |
Atoms |
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What happens when the data in an investigation do not support the original hypothesis? |
Revise or propose a new hypothesis based on the data from the experiment |
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Define scientific theories |
A well tested explanation for a set of observations or experimental results |
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Why are scientific models important? |
They make it easier to understand things that might be too difficult to observe directly |
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How do scientists who speak different languages make their data understandable to one another? |
They use the SI units of measurement |
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If the relationship between the manipulated variable and the responding variable is a direct proportion what will a line graph of this relationship look like? |
A line |
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A measurement must include both a number and a... |
Unit |
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An experiment in which only one variable, the manipulated variable, is changed at a time is called a... |
Controlled experiment |
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The two main areas of physical science are physics and... |
Chemistry |
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What are the three branches of natural science? |
Physical, Earth and space, life |
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Which step in the scientific method is information obtained through the senses? |
Make an observation |
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How is 0.00025 written in scientific notation? |
2.5x10 -4 |
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What is peer review? |
A process in which scientists examine other scientist work |
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On the Celsius scale, at what temperature does water boil? |
100 degrees celcius |
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The SI base unit of mass is the... |
Kilogram |
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What is the temperature at which water freezes, expressed in Fahrenheit, Celsius, and Kelvin? |
32 degrees Fahrenheit, 0 degrees Celsius, 273 K |
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What is a physical or mental representation of an object or an event? |
A model |
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What is a system of knowledge and the methods used to find that knowledge? |
The scientific method |
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A ____________ makes it easier to understand things that are too small, too large, or too hard to observe directly. |
A model |
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What is the single most important laboratory safety rule? |
Always follow your teachers instructions and they textbook directions exactly |
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What is the relationship between two variables if the product of the variables is constant? |
An inverse proportion |
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Why do scientists speak at conferences and write articles in scientific journals? |
To share ideas and info to communicate results |
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What type of graph used to show how a part of something relates to the whole? |
A circle graph |
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What is a hypothesis? |
A proposed answer to a question or an educated guess |
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What is accuracy? |
The closest of a measurement to the true value of what is measured |
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What is precise? |
A gauge of how exact and measurement is |
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What is scientific law? |
A statement that summarizes a pattern found in nature |
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What are some examples of safety procedures? |
Use eye protection, don't eat drink or smoke, do not taste any chemical, etc. |
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What are the main ideas of physical science? |
Space and time Matter and change Forces and motion Energy |
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What is the temperature at which water boils, expressed in Fahrenheit, Celsius, and Kelvin? |
212 degrees Fahrenheit , 100 degrees celcius , 373 K |
