Vocabulary
Name the vocabulary word:
A description that includes a number and a unit.
measurement
Which is NOT an advantage of using SI units
A. allows scientists to compare observations and results
B. Can compare measurements made years apart
C. Based on the number 5, which is easy to use in calculations
D. uses prefixes to express measurements that are small or large
C. Based on the number 5, which is easy to use in calculations
Which axis is vertical and usually represents the dependent variable?
y-axis
What tool may be used to measure a desk?
meter stick
Name 2 types of graphs we learned about
line graph
Name the vocabulary word:
the sum of the data values divided by the number of data values. Also called the average.
mean
What is the modern metric system called?
A. National Measurement System
B. Worldwide Measurement
C. Rules for Measuring Around the Word
D. the International System of Units
D. the International System of Units
A map of the united states is an example of a
A. model
B. simulation
C. bar graph
D. mean
A. model
What tool may be used to measure the volume of juice a lemon has when squeezed?
graduated cylinder
Which graph is the best to interpret trends over time?
line graph
Name the vocabulary word:
a method used to study and analyze the characteristics of an actual or theoretical system
simulation
Name the vocabulary word:
a description of how close a measurement is to the true value of a quantity measured.
accuracy
Which axis usually represents the independent variable?
x-axis
Units used when measuring with a graduated cylinder
a. meters
b. grams
c. milliliters
d. degrees
c. milliliters
A graph must include a _______ at the top, so people know what the graph is showing/representing.
title
Name the vocabulary word:
The exactness of a measurement
precision
What is the use of science for practical purposes called?
technology
Scientists use computer models to study black holes. What is the most likely reason a computer model is being used?
a. Black holes are not real
b. Black holes are too small to study
c. Black holes are too dark to study
d. Black holes are too far from Earth to study
d. Black holes are too far from Earth to study
What is the SI unit for temperature?
A. Celsius
B. Kelvin
C. Meter
D. Fahrenheit
B. Kelvin
The x and y axis of a graph must each have a ______.
label
Name the vocabulary word:
a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept
model
Name 3 of the 7 quantities that SI base units express
length, mass, time, temperature, amount of a substance, electric current, light intensity
Which of the following is the formula for calculating density?
A. D= m/v
B. D= (m) (v)
C. D= m-v
D. D= (mass) (temp)
A
What is the formula for calculating the volume of a regular solid?
LxWxH
Name at least 3 steps in making a line graph
answers may vary