Cells
What organelle stores your DNA?
Nucleus.
What is job of the nervous sytem?
To transfer signals from brain to body.
WHat is a good conductor
Metals
Which element has 3 protons
Lithium.
WHat is a physical reaction.
Breaking glass.
What type of characteristics are in your DNA?
Blood type, eye color, height, hair color.
What do arrows represent in food web?
transfer off energy.
Which are insualtors.
Non metals
Which element as 17 electrons.
Clorine
WHat is a chemical reaction?
Cooking a steak.
What is difference between plants and animal cells.
One has cell wall one has cell membrane.
What happens as you go up the energy?
you lose energy.
Do periods have the same number of energy levels?
Yes.
Which element has 80 protons?
Mercury.
Is mixing sugar into tea physical or chemical reaction?
Physical.
What is job of cell membrane?
Allows water to move into cell.
WHat is difference between asexual and sexual reproduction.
Asexual is exact copy sexual isn't
WHat part of an atom determines its identity
Protons
Which element has 24 protons?
Chromium
Is cooking cake physical or chemical?
Chemical.
Where do you find the nucleus?
Center of the cell.
WHat is disadvantage to asexual reproduction?
No biodiversity.
Which group is the least reactive?
Group 18
How do you find neutrons?
Round atomic mass and subtract atomic number
WHat does law of conservation of mass state?
Mass can neither be created or destoyed.