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Scientific Method
Scientific Method Flashcards 4.1
| Question | Answer |
|---|---|
| What do scientists do in order to learn more about the world? | They study it, ask questions, and conduct experiments (or investigations). |
| How do scientists test how changing one thing affects another? | They conduct experiments (or investigations). |
| Why are scientific investigations important? | They teach us about the world. They help our scientific knowledge grow. |
| When scientists conduct an experiment, they carefully follow a set of steps known as the __________ _________. | scientific method |
| What is the first step in the scientific method? | Scientists start by asking a question that they hope to answer. |
| Is this statement a scientific question? How long is a crocodile? | No. |
| What is a hypothesis? | An educated guess about what might happen during an investigation (based on facts) |
| Before making a hypothesis, scientists _______________ the topic or problem they're studying. | research/learn about |
| Is this statement an observation or a hypothesis? If the temperature is lowered, the ice will melt. | A hypothesis |
| Factors in an experiment that can affect the results are called _________________. | Variables |
| What is an independent variable? | A variable changed by the experimenter on purpose |
| What is a dependent variable? | A variable that changes and that is measured by the experimenter |
| ___________________ are factors that are not changed during a scientific investigation. They're kept the same so the don't affect the results. | Constants |
| An experimenter throws a ball five times and records the speed each time. Each of those times is called a ____________. | trial |
| What is collected during a scientific investigation? | data |
| What is the difference between quantitative and qualitative data? | Quantitative data is measurable. Qualitative data is observable through the senses. |
| Is "cold and bumpy" quantitative or qualitative data? | Qualitative |
| Kilogram, liters, and degrees Celsius are all units in what system? | The metric system |
| What tool might a scientists use to measure an object's mass? | A scale or balance |
| What do graduated cylinders measure? | Liquid volume |
| If a scientist measures how long it takes an egg to hatch, what is being measured? | Elapsed time |
| What metric units would someone use to record an object's height? | millimeters, centimeters, meters, etc. |
| How might a scientist display the data that he or she collected? | A graph, chart, or table |
| After analyzing the data, scientists draw a ____________, or an explanation of the results. | Conclusion |
| Is this statement a testable question? How yellow is the sun? | No. |
Created by:
albrooks
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