Hypothesis
a Hypothesis is in what kind of sentence format?
"If, and Then"
I use hydrogen and another electronegative atom to create a bond.
Hydrogen bonding
water connects with other water molecules using what bonding method?
Hydrogen bonding
this variable depends on the independent variable
Dependent variable
whats the name of this element;
"N"
Nitrogen
develop a hypothesis with this statement:
Does brushing your teeth daily really reduce cavities?
If I brush my teeth daily then, I will reduce my chances of getting cavities.
I share my electrons
covalent bonding
what explains the reason why water molecules stick to surfaces?
adhesion
does not rely on another variable; there's nothing you can do to change this variable
independent variable
what 3 subatomic particles make up an atom?
Proton
neutron
electron
how do you test your hypothesis ?
by conducting an experiment
NaCl is an example of what kind of bond?
Ionic bonding
what explains the reason why water molecules stick to each other?
Cohesion
which one of these can be considered an independent variable?
time
someone's energy
sleep schedule
which subatomic particle has a negative charge?
electron
how many trials minimum should your experiment have?
at least 3 trials
H2O is an example of what kinds of bonds?
Covalent bonding
hydrogen bonding:
when water molecules are attached to other water molecules; what two elements are being bonded together?
Hydrogen and Oxygen
People who exercise regularly sleep better at night.
give me your hypothesis
give me your dependent variable
if you work out regularly then you will sleep better at night
amount (quality) of sleep
when an atom has a different number of neutrons then it is known as an?
Isotope
Form a hypothesis:
People who exercise regularly sleep better at night.
if you exercise regular then you will sleep better at night
when water molecules are hydrogen bonding; what two elements are bonding to each other?
Hydorgen and oxygen
what is the percentage of the human body made up of water?
60-70%
what subatomic particles move around the nucleus?
Electron