Unit Conversions
what is 1 meter in centimeters?
100
What is the equation of density?
D= m/V
what is the first step in the scientific method?
make an observation
how many significant figures are there in 10?
1
What word came from the previous notion that heat was a kind of fluid?
caloric
Convert 50 milliliters to Liters.
0.05 L
What is Displacement?
the phenomenon where an object submerged in water pushes aside a volume of water equal to its own volume
what is a scientific theory?
A well substantiated explanation for an aspect of the real world. It has lots of evidence.
How many significant figures are there in 1001?
4
Is it true that your body is made up of more microbial cells than human cells?
Yes, it is true!
How many grams are in 2.75 kilograms?
2750
If something floats on water, what can you say about that objects density?
Its density is less than 1 g/mL.
what is the purpose of a control group in an experiment?
to provide a standard to compare it to.
How many significant figures are there in 1,010.000?
7
What is the cleanest part of your body?
your eyes
If I am 5'5", what is my height in centimeters? (1 inch = 2.54 cm)
165.1 cm
An object weighs 17.5 grams and its volume is 5 cubic centimeters, what is its density?
3.5 g/cm^3
what is the independent variable in an experiment?
The one that is changed or manipulated.
Add 1.01 + 2.7 + 3.999. report your answer with the correct number of significant figures
7.7
Where is the majority of Earth's oxygen produced?
In the oceans!
Convert 72 km/hr to m/s.
20m/s
What is density and why does it determine if something floats or not?
how tightly packet the atoms are in the object.
What is the difference between qualitative and quantitative data?
Qualitative data describes qualities or characteristics, while quantitative describes numerical values.
Multiply 2.1 x 0.06 x 11.7. Report your answer to the correct number of significant figures.
2
Is there color in the dark?
No, color light ways being reflected off an object into our eye.