Catch the Wave

Welcome FactFictionor

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. The distance is actually 140,000,000,000m

The mass of a dust particle is about kg Fact or Fiction

Dust 2 That is fiction. The mass is actually kg

The size of an atom is about meters Fact or Fiction

That is a fact

What do you notice about these numbers ,000,000,000 6,000,000,000,000

What is another way to express extremely large or small numbers? 1.Standard notation 2.Scientific notation 3.Mathematical notation 4.Expanded notation

Which of these numbers would be better written in scientific notation? ,000,000, ,

How can we write 3,000,000,000 in scientific notation? 3,000,000,000 =3 x 10 9

The distance from the Earth to the Sun is over 100,000,000,000 meters. What is it in scientific notation? a. 1 x 10 8 b. 1 x 10 9 c. 1 x d. 1 x 10 11

The Extremes

Extreme Sort A

Journal Fill in the first five rows

sort a anwers 1,000m 100m 10m 1m Kilometer HectometerDecameter Meter

What is smaller than a baseball bat

patterns OBJECT# IN METERS# IN SCI. NOTATION Ukrop’s Race10,0001 x Train Cars1,0001 x 10 3 Soccer Field1001 x 10 2 Bus101 x 10 1 Baseball Bat11 x 10 0 Crayon 0.11 x 10 -1

How can we write in scientific notation? =4 x 10 -4

The size of an atom is about meters What is it in scientific notation? a. 1 x b. 1 x c. 1 x d. 1 x

Sort

Sort the remaining cards from largest to smallest your group and record answers in your journal.

Sort B decimeter centimeter millimeter micrometer nanometer 0.1m 0.01m 0.001m m m

When you ordered the scientific notation cards what part of the number did you have to look at? 1.Whole number 2.Ten 3.exponent

What about The diameter of Venus is about x 10 7 meters and The diameter of the Earth is about x 10 7 meters

Which one is bigger? a x 10 7 (green) b x 10 7 (red)

OR Length of a large flea is about x Length of a small fire ant is about x 10 -3

Which one is smaller? a x (green) b x (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 10 9

Why would we study numbers that are extremely small?

Light Waves

What color is light?

Refraction Light hits the prism and bends (refraction) causing the light to break apart into different wavelengths.

Wavelengths wavelength crest trough crest

The Spectroscope and Diffraction

Electromagnetic Spectrum

Electromagnetic Sort Place your cards in order from smallest number to largest number.

Electromagnetic Spectrum Label each section of the spectrum Visible Light

Labels gamma Rays x-rays light waves radio waves ultraviolet Rays infrared Rays microwaves

Which numbers were easier to order? A numbers in standard form B numbers in scientific notation

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