| Question |
Answer |
| What is a measurement? |
Something that describes the world using numbers |
| What are the types of measurements? |
Distance, time, speed, volume, mass |
| Distance, time, speed, volume, and mass describe what? |
Measurements |
| What is an approximated measurement based on pervious experience is what? |
estimation |
| Estimations are useful when? |
When actual measurement is not easily made. |
| What can estimation help you check? |
To see if the answer is reasonable |
| When you estimate, what do you do? |
Use the word about |
| What is precision? |
It is a description of how close measurements are to each other. |
| What is a description of how close measurements are to each other? |
precision |
| What is used to discuss number of decimal places a measurement device can measure |
precision |
| Why are degree of precision more precise today? |
It is because today's technology has made measuring devices are more precise. |
| What is accuracy? |
It is a comparison of measurement to actual value. |
| What do you call a comparison of measurement to actual value. |
Accuracy |
| Why are accuracy and precision important? |
It is a comparison of measurement to actual values |
| Measurements can be rounded when |
when precision is NOT needed. |
| When precision is NOT needed in measurements, what are you allowed to do? |
You can round them off |
| What are significant digits? |
They reflect true precession of a calculation |
| What does a true precession of a calculation reflect? |
significant digits |
| Multiplication and division-measurements with the fewest digits determines the what? |
number of the significant digits |
| Multiplication and division-measurements with the WHAT determines the number of the significant digits? |
fewest digits |
| Addition and subtraction- significance is determined to the what? |
place value of the LEAST precise measurement. |
| The place value of the LEAST precise measurement is found where? |
Addition and subtraction |
| The international system of units is called what? |
SI |
| Si units are in multiples of ten, provide a standard measurement for what? |
Global science, business, and industry |
| Si units are in multiples of WHAT? |
Ten |
| What units are in multiples of 10? |
SI units |
| What is the distance between two points? |
Length |
| Length is the what? |
Distance between two points |
| SI units are in what? |
meters |
| What would you use to measure a pencil? |
Centimeters |
| How would you measure the distance between New York and Chicago? |
Kilometeres |
| What is volume? |
The amount of space of an object takes up |
| What is the volume of something using SI units? |
mL or Cm3 |
| mL or Cm3 can be used for what? |
volume of something using SI units |
| How do you find the volume of something that has a regular shape? |
Measure its length, width, and height and multiply. |
| How do you find the volume of something that has a regular shape? |
L x W x H |
| What do you immersion for? |
To find a volume of an irregular shape |
| To find a volume of an irregular shape what do you do? |
Use immersion |
| What is the amount of matter in an object? |
Mass |
| What is mass? |
It is the amount of matter in an object |
| What SI unit do you use to measure mass? |
kilograms |
| What is the measurement of force? |
Gravity (weight) |
| What SI unit measures gravity? |
Newton |
| A Newton is a measurement of what? |
Gravity |
| What do you use to measure kinetic energy in particles of matter? |
Temperature |
| Temperature can measure what? |
kinetic energy in particles of matter |
| What SI unit is used to measure kinetic energy in particles of matter? |
Kelvin |
| What is rate? |
The amount of change of one measurement given |
| What is the amount of change of one measurement given? |
Rate |
| What are tables? |
They display information in rows and columns for easier comprehension. |
| What are used to display information in rows and columns for easier comprehension? |
Tables |
| What is a graph? |
It collects, organizes, and summarizes data visually |
| What is used to collect, organize, and summarize data visually |
Graph |
| What is a line graph? |
It shows the relationship between two variables |
| What shows the relationship between two variables? |
Line graph |
| What is a bar graph? |
It shows bars of different sizes to show relationships between variables. |
| What type of graph shows the whole percentage? |
Circle |
| What is a circle graph? |
It shows the whole percentage |
| What shows bars of different sizes to show relationships between variables. |
Bar Graph |
| Scales on graphs must be carefully constructed and analyzed so users easily understand the information. What is that key? |
K H D M D C M |
| K= |
˚C+273˚ |
| ˚C = |
K -273˚ |
mr. charles11
