Biology
What is the word equation for Photosynthesis
carbon dioxide + water -> glucose + oxygen
Name the 3 parts of an atom
Electron, Proton, Neutron
Equation for density?
Density=mass/volume
What is the layer of mixed gases around the Earth called?
Atmosphere
Name the male parts of a flower
Stamen (anther and filament)
Explain combustion. What type of reaction it is?
It’s another term for burning. Exothermic reaction
Explain the turning effect
A force has a turning effect when it causes an object to turn about a pivot
What is a compound?
A substance in which the atoms of two or more elements are combined together.
What are the purposes of decomposers
Recycle substances so other living organisms can use them
What’s a catalyst? Example of 1 catalyst
A substance use to speed up chemical reaction
Name 2 conductor and 2 insulator
..
Which type of cell needs a cell wall and chloroplasts?
What‘s an annual plant?
Annual plants are plant that grow, produce seeds, and die in less than 1 year
Name the 3 groups and their properties
Alkaline metals: get more reactive as you go down the list/ melting and boiling point decrease as you go down.
halogens: less reactive as you go down
noble gases: gases/ inert/ electron shells full
What is convection
The transfer of energy
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
10 m/s
What is fungus made of?
Hyphae
Name the 7 metals chemical symbol
Li, Be, Na,Mg,K,Ca,Al
What is static electricity
electron is lose from a object(positive charge) and transfer to another (negative charge)
What is velocity?
Speed in a specific direction