atoms
The center of an atom is?
nucleus
what are coefficients in balancing equations
its the big number in front of each atom or chemical formula
whats the nucleus
the brain of the cell
What source gives us most of the light on Earth?
sun
What gas do plants take in for photosynthesis?
Carbon dioxide (COâ‚‚)
What organ pumps blood around the body?
the heart
What is an atom?
the smallest part of a chemical element that can exist
what a subscript
the small number to the bottom right of an atom
chloroplast is only in which cell
plant cell
Name two things that reflects light
Mirror, water, metal, shiny surface
What organelle does photosynthesis occur in?
chloroplast
What organ system controls your body's responses?
The nervous system
what table tells us about the atoms of elements?
periodic table
what does a chemical equation do
its telling what happens during a chemical reaction
vacuole is the what place in a cell
storage
What happens when light hits a mirror?
It bounces off — reflection
What is the name of the green pigment in leaves that absorbs light?
Chlorophyll
What organ is responsible for removing waste liquid from the blood?
The kidneys
what are atoms made of?
Atoms are made of protons, neutrons, and electrons.
what can not be change in balancing equations
subscript
mitochondria s the what of a cell
powerhouse
Transparent materials
What two things do plants need from the environment to do photosynthesis?
Carbon dioxide and water
What is the main organ of the respiratory system?
The lungs
what charge is an electron
positive
whats the big number in balancing equations
coefficients
only what cell has a cell wall
plant
What tool do we use to split light into a rainbow? .
A prism
Write the word equation for photosynthesis.
Carbon dioxide + water → glucose + oxygen
What system is responsible for breaking down food into nutrients?
The digestive system