True or False
All organisms are highly complex and composed of many cells
False
What is a hypothesis
A testable possible explanation of an observation
1. Reproduction passes on genetic information from who to who
2. And info is passed on by
1. parent to offspring
2. DNA
Bonds are formed between
electrons
Barbara put sugar into her coffee. The sugar would represent what?
solute
polar molecules like water have a partial positive charge on one side and a partial negative charge on the other side
True
A controlled experiment involves which two groups?
control, experimental
Convert 28.5 cm = _________ Km
.000285 km
An example of a covalent bond is
H2O
water
The pH scale measures the amount of what in a solution?
H+
All organisms have the ability to physically move from place to place.
False
Barbara noticed that all the fish in the pond were dying. She just completed what step of the scientific method.
observation
Homeostasis helps
To maintain stable internal conditions of the living organisms
The bond that holds water together is known as; the bond that holds water to water is known as
covalent & hydrogen bonds
Jeffrey just got stung by a jellyfish, which is a basic solution, what type of solution will neutralize the sting
Vinegar
1. The difference between a multicelluar and a unicelluar organism is that unicelluar organisms have more than one cell.
2. Ionic bonds form when atoms steal protons
False, False
Ana is working on a science project. Her task is to answer the question: "Does Rogooti (which is a commercial hair product) affect the speed of hair growth". Outline the steps Ana will take to design the correct order of the scientific method. (list the steps of scientific process in order)
What measurements are not part of the metric system ?
inches, gallons, feet
What information does the atomic number provide
# of electrons & protons
Which part of the water molecule is considered to be negative?
only oxygen
1. A solution is made up of a solvent that is put into a solute.
AND
2. Reproduction is included as 1 of the 10 characteristics of life.
False, TRUE
I want to measure whether the kind of gasoline that i put in my car makes a difference in mileage. (meaning can i drive further on 1 tank of gas than the other ?)
In Study 1, each lexus received a full tank of regular unleaded 89 gasoline. The car then drove 100 miles on the highway at 55 mph. The amount of remaining gasoline was measured. In Study 2, the experiment was repeated, but the cars were given premium gasoline instead of unleaded. The amount of remaining gasoline was measured.
IV=
DV=
Constant =
Experimental group=
control group=
Sarah has a genetic disorder where she can't develop eggs in her uterus. What is the chance of having children?
0%
Energy in a compound is stored in the
bonds
What are the properties of water
adhesion, cohesion, capillary action