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Catch the Wave. Welcome. Fact. or. Fiction. The distance light travels in a year is about 6,000,000,000,000 miles. Fact or Fiction. Light Travels 2. That is a fact . The distance from the Earth to the Sun is about 1,400,000,000 meters. Fact or Fiction. That is fiction.
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Welcome Fact or Fiction
The distance light travels in a year is about 6,000,000,000,000 miles. Factor Fiction
Light Travels 2 That is a fact
The distance from the Earth to the Sun is about 1,400,000,000 meters Fact or Fiction
That is fiction. The distance is actually 140,000,000,000m
The mass of a dust particle is about 0.00753 kg Fact or Fiction
Dust 2 That is fiction. The mass is actually 0.000000000753 kg
The size of an atom is about 0.0000000001 meters Factor Fiction
What do you notice about these numbers 0.000000000753 0.0000000001 140,000,000,000 6,000,000,000,000
What is another way to express extremely large or small numbers? • Standard notation • Scientific notation • Mathematical notation • Expanded notation
Which of these numbers would be better written in scientific notation? 300 0.03 3,000 30 0.3 3,000,000,000
How can we write 3,000,000,000 in scientific notation? 3 x 109 3,000,000,000 =
The distance from the Earth to the Sun is over 100,000,000,000 meters. What is it in scientific notation? a. 1 x 108 b. 1 x 109 c. 1 x 1010 d. 1 x 1011
Fill in the first five rows Journal
sort a anwers 1,000m 100m 10m 1m Decameter Hectometer Meter Kilometer
patterns 1 x 10-1 0.1
How can we write 0.0004 in scientific notation? 4 x 10-4 0.0004 =
The size of an atom is about 0.0000000001metersWhat is it in scientific notation? a. 1 x 10-7 b. 1 x 10-8 c. 1 x 10-9 d. 1 x 10-10
Sort Sort the remaining cards from largest to smallest your group and record answers in your journal.
Sort B decimeter 0.1m centimeter 0.01m millimeter 0.001m micrometer 0.000001m nanometer 0.000000001m
When you ordered the scientific notation cards what part of the number did you have to look at? • Whole number • Ten • exponent
What about and The diameter of Venus is about 1.21999 x 107 meters The diameter of the Earth is about 1.2736 x 107 meters
Which one is bigger? a. 1.21999 x 107 (green) b. 1.2736 x 107 (red)
OR Length of a large flea is about 3.2689 x 10-3 Length of a small fire ant is about 3.2869 x 10-3
Which one is smaller? a. 3.2689 x 10-3 (green) b. 3.2869 x 10-3 (red)
When you looked at the numbers on the last four slides what part of the number did you have to look at? a. Exponent b. Ten c. Decimal
What is a nanometer? A nanometer is one billionth of a meter or 109
Refraction Light hits the prism and bends (refraction) causing the light to break apart into different wavelengths.
Wavelengths wavelength crest crest trough
Electromagnetic SortPlace your cards in order from smallest number to largest number.
Visible Light Electromagnetic Spectrum Label each section of the spectrum
light waves Labels infrared Rays gamma Rays radio waves ultraviolet Rays microwaves x-rays
Which numbers were easier to order? A numbers in standard form B numbers in scientific notation