![Page 1: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/1.jpg)
![Page 2: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/2.jpg)
Asteroids
The total mass of all the asteroids is less than that of the Moon.
rocky objects with round or irregular shapes
lie in a belt between Mars and Jupiter
![Page 3: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/3.jpg)
![Page 4: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/4.jpg)
Large balls of frozen ice and rock that areonly visible whenthey are close tothe sun
![Page 5: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/5.jpg)
Pebble-sized particles that enter Earth’s atmosphere and burn up leaving a streak of light across the sky
![Page 6: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/6.jpg)
My Very Educated Mother Just Served Us Nine Pies
![Page 7: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/7.jpg)
Draw a line across the table between the terrestrial and jovian planets and label.
![Page 8: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/8.jpg)
Which are more dense?Jovian or terrestrial
![Page 9: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/9.jpg)
Which have more moons ?Jovian or terrestrial
![Page 10: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/10.jpg)
Which have longer periods of revolution?Jovian or terrestrial
![Page 11: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/11.jpg)
Which are larger in size on average ?Jovian or terrestrial
![Page 12: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/12.jpg)
Which planet has the longest day?
![Page 13: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/13.jpg)
Which planet has the longest year?
![Page 14: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/14.jpg)
eccentricity website
![Page 15: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/15.jpg)
Which planet has the least perfectly circular orbit?
![Page 16: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/16.jpg)
Which planet has the most perfectly circular orbit?
![Page 17: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/17.jpg)
Ms. WareEarth Science10/5/09
W.O.T.D.: Eccentricity: is a measure of how an orbit Deviates from circular. A perfectly circular orbit has an eccentricity of zero; higher numbers indicate more elliptical orbits
Do now: If a planet has a mostly oval orbit,Where do you think the planet wouldbe fastest? Why?
A
B
C
D
Sun
![Page 18: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/18.jpg)
Calculate the eccentricity of the ellipse below:
Formula: eccentricity = distance between foci length of major axis
length of major axis
![Page 19: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/19.jpg)
When furthestfrom Sun
When closestto Sun
![Page 20: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/20.jpg)
eccentricity website
Area A=
Area B=
Area C
![Page 21: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/21.jpg)
Explain the difference between the geo- and helio-centric
models of the solar system.
Earth-centered
Sun-centered
![Page 22: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/22.jpg)
Introduction to planet project….
![Page 23: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/23.jpg)
RATIOS and PROPORTIONS REVIEW
By: Teachers who care!
![Page 24: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/24.jpg)
RATIOS & PROPORTIONS
• A ratio is a comparison of two numbers by division.
• To write ratios, use the word to, a colon, or a fraction bar.
EXAMPLE #1: John read 3 books in 4 days. Write the ratio of books to days.
Words: 3 to 4 Colon: 3:4 Fraction: 3/4
![Page 25: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/25.jpg)
RATIOS & PROPORTIONS
• A proportion is a statement that two ratios are equal.
EXAMPLE#2: Is a proportion?15
6
5
2
Find the cross products.
65152 30 = 30 TRUEIf TRUE, the
statement is a proportion.
![Page 26: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/26.jpg)
RATIOS & PROPORTIONS
EXAMPLE#3: Is a proportion?5
3
7
4
Find the cross products. 3754
20 = 21 FALSEIf FALSE, the
statement is NOT a proportion.
![Page 27: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/27.jpg)
RATIOS & PROPORTIONS
EXAMPLE#4: Solve the proportion:10
4
5
Find the cross products. 4510 x
2010 x10 10
2x
Divide both sides by 10.
![Page 28: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/28.jpg)
RATIOS & PROPORTIONS
There are 5 boys and 6 girls in Grant School.
1. What is the ratio of girls to boys using a fraction?5
6
2. What is the ratio of girls to children in Grant School (use a colon)? 6:11
3. What is the ratio of boys to children in Grant School (use words)?
5 to 11
![Page 29: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/29.jpg)
RATIOS & PROPORTIONS
Are the following proportions?
7
3
9
4
20
9
9
4
27
12
9
4
18
8
9
4
3974 2728
FALSE – Not a proportion
99204 8180
FALSE – Not a proportion
129274 108108
TRUE – this is a proportion
89184 7272
TRUE – this is a proportion
![Page 30: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/30.jpg)
RATIOS & PROPORTIONS
Find the missing numbers to make the following proportions.
21
93
9213 x
x963
x79 9
10
5
4
5410 x2010 x
10 10
2x
9
12
3
4
1
941 x36x
![Page 31: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/31.jpg)
If John was 5 ft tall, and Jenny was 6 feet tall how would you
make miniature but proportional copies of them…
5ft= 10 inches 6ft = ??
HINT FOR PROJECT!!!!
![Page 32: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/32.jpg)
SCALE DRAWINGS
• A scale drawing is a drawing of an object with dimensions proportional to those of the actual object. To find lengths from scale drawings, set up and solve proportions.
![Page 33: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/33.jpg)
SCALE DRAWINGS USING PROPORTIONS
EXAMPLE#1: ¼ in = 5 ft is a scale for a rock band’s concert stage.
A. The scale length of the drum stand is 1 in. What is the actual length of the drum stand?
)(
)(
)(
)(
actualobject
drawingobject
ftactual
indrawing
x
1
5
25.
Cross multiply. 1525. x525. x
.25 .2520x
Divide by .25
![Page 34: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/34.jpg)
SCALE DRAWINGS USING PROPORTIONS
EXAMPLE#2: ¼ in = 5 ft is a scale for a rock band’s concert stage.
B. The actual length of the stage is 60 ft. What is the scale length of the stage?
)(
)(
)(
)(
actualobject
drawingobject
ftactual
indrawing
605
25. x
Cross multiply. x 56025.x515
5 5x3
Divide by 5
![Page 35: Asteroids The total mass of all the asteroids is less than that of the Moon. rocky objects with round or irregular shapes lie in a belt between Mars and](https://reader036.vdocuments.us/reader036/viewer/2022062718/56649e745503460f94b75363/html5/thumbnails/35.jpg)
SCALE DRAWINGS USING PROPORTIONS
Given a scale of ½ in = 4 ft, find the actual length for each scale length given.
x
75.2
4
5.
75.245. x115. x
.5 .5
ftx 22
in4
32 in5
x
5
4
5.
545. x205. x
.5 .5
ftx 40