scientific measurements are done in what form?
metric
The variable that changes?
independent variable
studying ghosts
hair is brown
qualitative
science never changes?
false
Which is most precise?
2.5, 2, 2.35, or 3
2.35
The variable that is measured on the y axis and is measured
Dependent Variable
studying life cycle of a butterfly
science
5 dogs and 6 cats
quantitative
iv=nicotine
dv=lung disease
Give me a hypothesis?
If someone smokes nicotine everyday, they will develop lung disease.
A desk is 81 cm tall. After the class measured they recorded lengths of 81.1cm, 81cm, 80.99cm, and 95cm. Which of the measurements was least accurate?
95cm
If a runner drinks water before running, then they will run faster. What is the independent variable
drinking water
studying beautiful sunsets
pseudo
student has red skin after visiting the beach
observation
The scientific method does not have to go in order, it can change based on findings and data?
True
What piece of glassware will measure the most precise level of liquid? test tube, flask, beaker, or graduated cylinder
graduated cylinder
If a runner drinks water before running, then they will run faster. What is the dependent variable
running faster
studying muscle tone in athletes of different sports
science
student has red skin after visiting the beach so they must be sunburnt
inference
Theory and law are basically the same?
False
What unit measures mass?
gram
The if stands for what variable?
Independent variable
studying the periodic table
science
i see 5 fish, 4 are yellow and 1 is blue
is this observation qualitative or quantitative?
observation that is qualitative and quantitative
True