Physics Period 1

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Physics Period 1 by Mind Map: Physics Period 1

1. Physics is the study or the interactions between physical systems. (Energy and matter in space and time)

2. Scientific Notation

2.1. Is the way that scientists easily handle very large numbers or very small numbers.

2.1.1. Example: 3.6 x10^3

3. Operations in Scientific Notation

3.1. In the addition and subtraction the x has to have the same exponent.

3.1.1. Example: (5.7x10^4)+(4.87x10^5): 5.44x10^5

3.2. In the multiplication the exponent of x is added with the other.

3.2.1. Example: (3.4x10^-2)]6.2x10^6): 6x10^7

3.3. In the division the exponent of x is a subtraction.

3.3.1. Example: (8.4x10^5)/(1.4x10^-2): 6x10^7

4. Exponents

4.1. It says how many times to use the number in a multiplication.

4.1.1. Example: 8^2 (8 to the second power) = 8x8=64

5. Units

5.1. A unit of measure is a standardised quantity of a certain physical quantity.

6. Systems of Units

6.1. Systems used in science, industry and medicine.

6.1.1. Metric System SI Distance: m, km. Área: m^2, cm^2. Volume: m^3, cm^3, lt. Mass: kg, g Time: s, min, h. Temperature: ºC, K. Velocity: km/h, m/s.

6.1.2. English Imperial System Distance: yd, mile, ft. Área: yd^2, mile^2, in^2, ft^2. Volume: gal, ft3, in^3 Mass: ounce, lb. Temperature: ºF. Velocity: miles/h, yd/s, ft/s.