Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
21. What does the prefix -milli mean?
|
1/1000th
|
|
22. What tool is used to measure the volume of a liquid?
|
A graduated cylinder
|
|
23. What is the next step after you collect data?
|
Analyze the results
|
|
24. Give the definition of model.
|
Models are representations of objects or systems.
|
|
25. Define data.
|
Data is what you collect while making observations to answer questions.
|
|
26. What is the basic SI unit for mass?
|
Kilogram or gram
|
|
15. What is the next step after forming a hypothesis?
|
Test your hypothesis
|
|
What should a scientist do next if their results from experimenting do not support their hypothesis?
|
1. Repeat their investigations and check for mistakes
2. Ask new questions 3. Form new hypothesis |
|
17. What are three ways to search for answers to questions?
|
1. Do research
2. Make observations 3. Do an experiment |
|
18. What is the SI unit for measuring length?
|
Meter
|
|
19. Why do scientists need to communicate the results of an investigation (experiment)?
|
In order to share information
|
|
20. What does the prefix -centi mean?
|
1/100th
|
|
9. What SI unit of measurement would be used to express the distance from New York City to Los Angeles?
|
Kilometers
|
|
10. Why is it important to repeat the same experiment several times?
|
So the scientist can be certain about the conclusions of an experiment.
|
|
11. Define theory.
|
A unifying explanation for a broad range of hypothesis and observations that have been supported by testing.
|
|
12. Give at least three examples of tools used to collect data during an experiment.
|
1. Stopwatches---measures time
2. Rulers-----measures distance 3. Computers----makes calculations |
|
13. What does the prefix -kilo mean?
|
1000
|
|
14. Define observation.
|
An observation is when a person is using his or her own senses to gather information.
|
|
3. What is the SI unit for measuring volume?
|
Liter for liquids
cm3 for solids |
|
4. What are the 3 main parts of a compound light microscope?
|
1. The stage
2. A light 3. A tube with lenses |
|
5. What is the SI unit to measure temperature?
|
Celcius
|
|
6. What are the six basic steps of the scientific method? (Short Answer)
|
1. Question
2. Observation 3. Hypothesis 4. Test hypothesis 5. Conclusion 6. Communicate results |
|
What is the SI unit to measure temperature?
|
Celcius
|
|
Give 2 limitations of most models. (Short Answer)
|
1. Models do not act exactly the same as the real thing.
2. Models do not look exactly like the real thing. |
|
What is the difference between a theory and a law? (Short Answer)
|
A theory tells why something happens but a law only tells what happened.
|
|
Name 3 ways a scientist may look for an answer. (Short Answer)
|
1. Research
2. Observation 3. Experiment |