Vocabulary
What is a testable question?
a question that can be answered through experimentation
-not a survey/Google search
-not an opinion
What is an independent variable?
something you can make changes to, it's the only thing that should be changed in an experiment
-like cause and effect
-to find the independent variable, ask yourself what am I changing?
What are the letters?
K H D(a) 0 D C M
Kids have dabbed on Denny's cool motorcycle
What is a pie graph?
-should include title, key/legend, percentages, include number surveyed
What is scientific notation?
N x 102
What is a hypothesis?
an educated guess or prediction
-should be written as an if, then, because statement
-because should be background knowledge
The effect of the cause and effect
-You collect data from this variable
-to find the dependent variable, you can ask "What am I measuring or looking for?
how many millimeters is 160cm?
1600 mm
What is a bar graph?
best used to compare single values of many items
-should include -tile, bars, x and y axis labels, units, scale that fits data
What is 45000 in Scientific Notaion?
4.5 x 104
What is density?
Density is how compact matter is
-to find the density mass divided by volume
Will a plant grow higher with more light? What is the independent variable and dependent variable?
IV: light
DV: plant height
How do you convert to a larger unit?
move decimal point to left
What is a line graph?
best used to show data that changes with time
-allows to estimate for values not listed
-should include title (IV/DV)
-needs to have a line, x and y axis labels, units, and a scale that fits the data
What is 5 x 10-2 in regular form?
.05
used to get rid of 0s in very big or small numbers
I wonder if the amount of homework I complete has an effect on my science test scores? What are the dependent and independent variables?
IV: Homework completed
DV: Test scores
How do you convert a smaller unit?
move the decimal point to the right
What type of graph is used to compare?
Bar Graphs
What is .016 in scientific notation?
1.6 x 10-2
What is control?
The normal, the comparison?
Will an airplane with longer wings fly farther than shorter wings? What are the independent and dependent variables?
IV: Wing size
DV: How far it flys
How many meters is 14 kilometers?
14000
What type of graph can you calculate a percent with?
A pie graph
What is 800 in Scientific Notation?
8 x 102