The basic unit of a chemical element.
What is an atom?
The ecosystem that organisms live and interact together.
What is a community?
The different types of charges
What are positive, negative and neutral charges?
The term referred to the number of protons in an atom.
What is an atomic number?
The cell organelle that produces proteins for the cell
What are ribosomes?
The objects attract to neutral and unlike charged objects
What do charged objects attract to?
Three particles that make up an atom.
What are protons, neutrons and electrons?
The three types of muscle tissue
What is skeletal, smooth and cardiac tissue?
The insulators become negatively charged
Why do negatively charged insulators charge with extra electrons?
The indications a chemical change occurred.
What is the change of colour, odor, change of temperature, formation of bubbles and formation of a solid?
The particles that move from an area of higher concentration to one of lower concentration and only the solvent molecules are free to move to equalize concentration.
What is the difference between diffusion and omosis?
The electrons transferred when charged by friction
Why are they transferred by rubbing action or friction?
The Canadian scientist that named and studied the nucleus.
Who is Ernest Rutherford?
The function of stomach acid.
Why does acid provide conditions for enzymes and kill bacteria?
The static electricity in winter
Why is the winter more dryer than in the summer?