Biology: Cells
What are cells?
Cells are tiny units of life that help make up a living organism.
What happens to the atoms in a chemical reaction?
Atoms rearrange themselves in a Chemical Reaction.
How many planets are there in the solar system?
There at 8 planets in our Solar system.
Give one example of energy being transferred electrically to one or more energy stores.
Energy can be transferred between stones.
What's photosynthesis?
A chemical process which takes place in every green plant.
What are organisms made up of only one cell called?
They are called single-celled.
What's combustion?
Combustion is Burning in Oxygen
What does a Earth have inside of it?
A Earth has a crust,mantle and a core.
Describe how energy is transferred when two objects at different temperature are touching
Energy is Transferred From Hot Objects to Cooler Ones
Where does photosynthesis mainly happen?
The leaves.
Name 4 similarities between a plant cell and an animal cell.
They both have a Nucelus, Cytoplasm, Cell membrane, and Mitochondria
How does a catalyst affect the speed of a reaction?
Catalysts Increase the Speed of a Reaction.
What to crusts contain?
Minerals
Why are most energy transfers NOT perfect?
Some energy is always lost in some way.
Chlorophyll absorbs sunlight and uses the energy to convert carbon dioxide and water too.
glucose
Name 4 differences between a plant cell and a animal cell
Plants only have a cell wall,vacuole and chloroplasts.
What does displacement mean?
Displacement means "Taking the Place of"
What is the name of our galaxy?
The milky way.
Yes or no. Is pollen the plant equilinant of sperm
Yes
In neutralizing sulfuric acid by potassium hydroxide, what displaces the hydrogen in the acid?
Neutralization is a Displacement Reaction
Give one human activity that increases the carbon dioxide level in the atmosphere.
Argon
What does sticky stigma do?
It catches grains of pollen.