Explain diffusion.
Particles moves from an area of high concentration to an area of low concentration
Which state of matter has the most energy?
gas
Which state of matter has the lowest density?
gas
What element reacts to iron to form a rust?
oxygen
The columns of the periodic table are called?
Groups
The rows of the periodic table are called?
Periods
What is this equipment that separates the mixtures in the picture?
Condenser
The process of separating colours using a solvent in a special paper.
Chromatography
What does the oxygen bind to in the red blood cells?
Hemoglobin
What is the muscle under the lungs that causes the lungs to contract and relax?
The diaphragm
Where does aerobic respiration happen in the cell?
The mitochondria
