Science
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Measurements
Measurements continued
Measurements continued
100

What are the 6 steps of the scientific method?

  1. Problem,

  2. Research/observation,

  3. Hypothesis,

  4. Experiment ,

  5. Results/Analysis,

  6. Conclusion

100

How does a scientist classify things? 

By grouping together items in a certain way.

100

Why do scientists use the International System of Units? 

Allows them to compare data and communicate with each other about their results.

100

Why is weight NOT CONSTANT? 

Your weight on the moon is different because of gravity.  Because of gravity

100

What is the equation to solve for Density?  

Mass/Volume

200

How are observations made?

You make observations by using your 5 senses.

200

What do scientists need to do in order to evaluate?

To compare observations and data to reach a conclusion.

200

Define Length? Mass?  Matter? 

Length is the distance from one point to another.

Mass is a measure of the amount of matter in an object.

Matter is the material that makes up all solids, liquids, and gases.

200

Define Volume?  

Volume is the ­­­­­­­­­­­­­­­­­amount of space an object or substance takes up.

200

What is the density of a block of Aluminum that weighs 48g and has a volume of 6 cubic centimeters?

8  c/g

300

What are the 4 types of observations and how do they differ?

Qualitative, Quantitative, Subjective, Objective.  

Qualitative deals with qualities characteristics, 

Quantitative deals with amounts or numbers, 

Subjective based on the public opinion 

Objective, based on the facts

300

What is the basic SI unit for length? How do you abbreviate this measurement? 

meter(m)

300

What is the equation used to solve for Volume?

Multiply LxWxH

300

What is the SI Unit used for Temperature? 

Kelvin(K)

400

What is an inference?  

A conclusion that is reached by evidence, reasoning and observations

400

What is the basic SI Unit for measuring mass? How do you abbreviate this measurement?

Kilogram(kg)

400

Solve the following problem for Volume: The rectangular solid below has a length of 3m, width of 4 m and height of 6 m. What is its volume?

72 cubic meters

400

What is the SI Unit for time? 

Second(s)

500

What is a prediction? Can you give an example of a prediction? 

A prediction is a claim based on what will happen in the future based on past experience. 

One example is I predict it is going to rain tomorrow.

500

What is weight and what tool do you use to measure it? 

Weight is the force of gravity acting on an object. You use a scale to measure weight.

500

Define Density?  

Density is a measure of how much mass is contained in a given volume.

500

How many seconds are in a week?

604,800