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2016 Fall Final Exam
2016 Fall Final Exam Review
Question | Answer |
---|---|
Is this a qualitative observation, quantitative observation, or an inference? I see desks and chairs in this room. | qualitative observation |
Is this a qualitative observation, quantitative observation, or an inference? It looks like it’s cold outside. | inference |
Is this a qualitative observation, quantitative observation, or an inference? Mr. Karnes seems happy today. | inference |
Is this a qualitative observation, quantitative observation, or an inference? I heard two emergency drill announcements. | quantitative observation |
Is this a qualitative observation, quantitative observation, or an inference? This Coke tastes bubbly. | qualitative observation |
I am investigating if mass affects the density of rocks. What Science equipment would you need to complete this investigation? | a balance and graduated cylinder |
What equipment is needed to measure height or distance? | a ruler or meter stick |
What unit of measure is used on a ruler or meter stick? | meter (m), centimeter (cm), millimeter (mm) |
What unit of measure is used on a thermometer? | degrees Celsius or Farhenheit |
What unit of measure is used on a balance? | grams |
What unit of measure is used in a graduated cylinder? | milliliters (mL) |
The object traveled 15 meters/minute. Does this describe speed or velocity? | Speed |
The object traveled 15 meters/minute southeast. Does this describe speed or velocity? | velocity (speed in a given direction) |
If you do not understand a direction or part of a laboratory procedure, what should you do? | You should read the lab instructions and ask your teacher if you still are unsure. |
After completing an experiment, what should be done with chemical waste? | Your teacher should let you know how and where to dispose of chemical waste from an experiment. |
Why is it difficult to categorize the physical properties of metalloids? | Metalloids share properties of both metals and nonmetals. |
Where are metals located on the Periodic Table of Elements? | on the left side |
Where are metalloids located on the Periodic Table of Elements? | between metals and nonmetals along the zigzag line |
Where are nonmetals located on the Periodic Table of Elements? | on the right side |
O is the chemical symbol for which element? Use the Periodic Table to answer this question :) | Oxygen |
What elements are most abundant in living things? | Hydrogen, Oxygen, Nitrogen, and Carbon |
The mass of an object is 27g. The volume is 3 mL. What is the density? | Density = mass/volume Density = 9 g/mL |
What energy resources are nonrenewable? | Oil, coal, natural gas, and nuclear energy |
What energy resources are renewable? | water, solar, wind, biomass, and geothermal energy |
What are advantages of renewable resources? | They have unlimited supply and they pollute our environment less than nonrenewable resources. |
What are advantages of nonrenewable resources? | They are inexpensive and easy to access and transport. They can be used for a variety of purposes such as powering electricity or fuel for our vehicles. |
What objects are the BEST reference points for an object in motion? | Reference points should be a stationary object or an object that doesn't move. |
What are limitations of models used in Science? | They are usually not the same size and possibly not the same shape. They are often not made of the same material as the real object. |
What graph is best for showing changes over time? | line graphs |
What graph is used to show percentage or parts of a whole? | pie or circle graphs |
What graph is best for comparing data? | bar graphs |
What is true about the speed of an object? | It is calculated with distance and time; such as in meter per minute |