Fill in the blank 2 Flashcards
The manipulated variable is also called the ____________ _______.
independent value
The constants in an experiment ______ ____ ______.
stay the same
The independent variable is what ________.
changes
A good hypothesis has the words ___ & _____.
if and then
What is the scientific method?
An order of steps
List and explain the 7 steps of the scientific order.
Purpose Research Hypothesis Experiment Analysis Conclusion Retest
What are the basic building block of matter?
Atoms
______ and _______ are located in the nucleus.
electrons and neutrons
The periodic table is organized by the _____ .
atomic number
horizontal rows are called ______.
periods
vertical rows are called ________.
columns
The smallest part of an element is an ______
atom
electrons travel on the _____ _______.
orbital shell.
there are approximately ____ naturally occurring elements.
118
the first periodic table was created by _______.
Dimitri Mendeleev
What % of water on earth is fresh?
8%
Where is most of the freshwater found?
Rivers and Lakes
What % of water on earth is salt water?
92%
Where is most of the salt water found?
ocean
what are the steps in the water cycle?
Evaporation
Condensation
Precipitation
______ and _______ are the two most abundant gases on earth’s atmosphere.
oxygen and carbon dioxide
as you go up the mountain, what happens to the air pressure?
it goes down.
List the layers of the atmosphere from earth to space
Troposphere Stratosphere Mesosphere Thermosphere Exosphere
