Astronomy
how far from the sun is earth?
what is a cell?
The basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.
What is a chemical reaction?
a process that involves rearrangement of the molecular or ionic structure of a substance.
what is an atom?
"the building blocks of everything."
What is H2O?
Water
How large is an AU in miles?
About 93,000,000 miles
what is the mitochondria?
The "Powerhouse" of the cell
What is a physical reaction?
A physical reaction occurs when molecules undergo a molecular rearrangement to produce a physical change. The molecules are not chemically altered.
What subatomic particles have a positive charge?
protons
What is CO2?
Carbon dioxide
How many Earths would you need to fill the sun?
about 1.3 million
What is the function of the vacuole?
To store nutrients and/or water
What is a Nuclear reaction?
what subatomic particles have a negative charge?
electrons
What is O2?
breathable oxygen
10 Kelvin is equal to ___ 0 Fahrenheit.
-457.870
What is the rough endoplasmic reticulum?
a part of a continuous membrane organelle within the cytoplasm of eukaryotic cells that plays a central role in the synthesis of proteins.
What is the chemical equation of photosynthesis?
6 co2 + 6 h2o -> c6h12o6 + 6 02
What subatomic particles have a neutral charge?
Neutrons
What is O3?
Ozone
What is Hawking Radiation?
electromagnetic radiation which, according to theory, should be emitted by a black hole.
What is the peroxisome?
a small organelle present in the cytoplasm of many cells, which contains the reducing enzyme catalase and usually some oxidases.
What is the chemical equation of fire?
Fuel + O2 -> CO2 + H2O + heat energy
What is the nucleus?
a cluster of neutrons and protons in the center of an atom
What is C6H12O6?
Glucose