Geology of Rock City   Plants at Rock City  History of Rock City

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Student Activites

Below you will find several classroom activites to use in order to enhance your visit to Rock City.  These classroom exercises and quizes are based on the information provided in the sections of the Rock City resource guide.

Rocks Quiz          Plants Quiz          Label Flower          Plant Hunt

Rock City History Review          Grow Your Own Crystals

Erosion Experiment          Make Your Own Sandstone

How a Stem Works          Plants are A-maze-ing     Answer Key

Rocks Multiple Choice Quiz
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1. Which of these is a landform?
a) house b) mountain c) mall d) river

2. Erosion is caused by:
a) wind b) water c) ice d) all of the above

3. Rocks formed by volcanic action are:
a) sedimentary b) igneous c) metamorphic d) sandstone


4. Sandstone is made of:
a) quartz b) coral c) mud d) diamonds


5. Lookout Mountain is a part of which mountain chain?
a) Rocky b) Appalachian c) Sierra Nevada d) none of the above

 

6. The process of pressing sediment together until they become solid rock is:
a) stratification b) lithification c) sedification d) sandstone

7. Soil erosion can be prevented by:
a) digging deep trenches into the ground b) planting trees c) leaving bare ground d) overgrazing land


8. The boulders at Rock City Gardens are made up of what type of rock?
a) limestone b) metamorphic c) granite d) sandstone


9. The coral found at Rock City Gardens are from animals that live where?
a) Lookout Mountain b) the ocean   c) Tennessee River d) coral are not animals


10. Rock City Gardens was at one time a/an :
a) ocean bottom b) beach c) coral reef d) volcano

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A Garden of Knowledge Plant Quiz

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1. The ________________ of a plant will eventually become a seed.


2. The two different types of roots are _________________ which grow straight down, and _____________________ which spread out.

 

3. Plants are very important because they release __________________ that humans and other animals need to breathe.

4. Plants that produce cones instead of flowers are called _________________.

5. A fern starts out as a __________________, a plant that is both male and female.


6. The male part of a flower is moved by wind, water, bees, and animals. It is called __________________.

7. During pollination, the pollen sticks to the stigma of a flower.  The stigma is attached to a long tube called a __________________.


8. The green substance in a plant’s leaves is called __________________.


9. Water and minerals move from up from a plant’s roots through the  ______________.

10. Ferns have ________________ on the bottom of their leaves that are released into the wind instead of seeds.

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Plant Hunt

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Most of the following plants are labeled and are in order starting at the Grand Corridor and ending at Fairyland Caverns.


1. This shrub is named after John Fothergill, an English physician. It is in the same family as Sweet Gum Tree and Witch Hazel shrub. It blooms in March to April with white, fragrant bottlebrush looking blooms. Hint – don’t take too many steps. Can you name this shrub?


2. The original seedling was found growing at Forest Nursery, McMinnville, TN. The new foliage starts out as red-purple. Then it changes to green as the season gets warmer. The flowers are purple to pink, blooming in March to April. This small tree’s parents are native to the eastern United States. Can you name this tree?


3. A slow-growing evergreen tree that has red berries. These berries mature in October and are used as Christmas greenery. It is native to the southeast and mid-west United States. Can you name this tree?


4. How many different labeled ferns can you count in the Grand Corridor?  What are the names of all these ferns? Hint – be sure to look up.


5. The fall leaf color is usually red to purple on this tree. The bark looks like an alligator hide. This tree is referred to as our “million Dollar Tree”. Hint - it starts in the Grand Corridor but you can’t see the top until you cross over the trail at Gnome’s Overpass. Can you name this tree?


6. This shrub seems to grow out of rocks after Needle’s Eye. Its bark is exfoliating or peeling off. The flowers are white, appearing in June, unless we have had a very cold winter. Hint – the foliage looks like a red
oak leaf. Can you name this shrub?


7. This shrub has about 150 different species and more cultivars. The flowers are fragrant and open from pink buds to white blooms in late April. Hint – this shrub is native to Korea. Can you name this shrub?


8. This shrub grows smaller than most of its family members and stays compact. The white flowers are slightly fragrant. A U.S. National Arboretum introduction named it after the Eskimos. Can you name this shrub?


9. I am a large tree with warts growing on my trunk. I produce thousands of small black fruit in September and October. The birds love my fruit.  Hint – I am a common tree. Can you name this tree?

10. This small tree has definite horizontal branching with stems purple in color. The flowers bloom May – June and are yellow to white in color.  Native to northeast down to southeast United States. Hint – related to the flowering dogwood. Can you name this tree?


11. This shrub can grow 15’ tall and 15’ wide. It flowers in October – November with a fragrant smell. It has thorns, which are quite sharp, and the leaves are dark green above and silvery underneath. Can you
name this shrub?


12. This large tree likes its feet to be wet but can stand dry sites as well. It looks like an evergreen tree in full leaf. The foliage turns brown in winter and falls off. Hint – you can see the fruit hanging from large trees just about year round. Can you name this tree?


13. This tree in its youth develops corky wings along the young stems and trunks. The older trees lose these corky wings and develop fruits that are prickly to pick up. They are like walking on marbles when they drop.
Hint – you can see the fruit hanging from large trees just about year round. Can you name this tree?


14. This shrub is a coarse textured evergreen plant. The flowers appear March – April and are yellow and fragrant. The fruit, which is bluish in color, matures in July – August and can be damaged by temperatures around 10 degrees. The birds eat the seeds and spread them everywhere. Hint – each leaf has between 5 to 7 prominent thorns. Can
you name this shrub?


15. This small tree is a member of the rose family and has over 600 types.  The range in flower color is from white to red and appears from April to May. The fruit ranges in color from red, yellow and green in the fall. Hint – if you have bitten into the fruit, you know what bitter means. Can you name this small tree?


16. This shrub has over 900 species, is evergreen and the most abundant plant we have at Rock City Gardens. A poll of gardeners asked what their favorite shrub is – this plant came in number one. It blooms from April –June all colors. Hint – you can see this plant just about anywhere in the gardens. Can you name this shrub?


17. This large tree likes to grow on rocky places and poor soil. Many forms of wildlife eat the large acorns. The bark has more tannin than any other trees in the family. Hint – what do you roast over an open fire at Christmas time? Can you name this tree?


18. This fast growing tree can grow 8’ during one season. The leaves on seedlings often reach 2’ long. The older tree leaves reach a normal size of 5” to 10” long. Cold weather can kill the flower buds. The flower buds
persist through winter, looking like grape clusters. One large tree can produce 20 million seeds. The wood is prized by the Japanese for pots, bowls, spoons, furniture and coffins. The flowers appear in May with a violet to pale blue color. This tree is often found along highway cuts. It is also used to reclaim strip-mined land. Hint – you can find one near the bird viewing deck. Can you name this tree?


19. This shrub grows quickly but can also die quickly during a cold winter. It is fragrant and will flower from June through September if the spent blooms are cut. Hint – the butterflies love this shrub. Can you name it?


20. This shrub looks like it belongs in a southwest desert. It blooms on a 3’ stalk and is white from May – June. Look above Shelter Rock and you can see a colony of these plants. Hint – sometimes referred to as the sword
plant. Can you name this plant?


21. This plant is considered a small tree or large shrub and is one of the first flowering trees in the woods. It likes to grow on rocky soil and its flowers are white in March – April. The black fruit is liked by birds and other wildlife. Hint – it is also called a Sarvis tree. Can you name this tree?


22. The history of this tree makes a good story. In 1770, John Bartram found this small tree along the banks of the Altamaha River in Georgia and collected a few for his garden. He sent some to Ben Franklin in Philadelphia. The tree has not been seen in the wild since 1790. So if you have one of these trees, you have one that came from Bartram’s original collection. The tree has a beautiful 3-3 1/2” white flower that appears in July – August. Hint – Bartram was a great admirer of Ben Franklin. Can you name this tree?


23. This small tree or large shrub blooms red after the leaves have come out. The flowers bloom in May and are about 4”-8” long. Hint – the Ohio State football team is called what? Can you name this plant?


24. This shrub is a graft, but the root stock has taken over from the graft.
  The original plant was named Arnold Promise. This plant flowers in February. Hint – a witch would like this shrub. Can you name this shrub?

25. This is a large evergreen tree with needles about 1/4 - 1/2” long. It can grow in shade or also sun if water is supplied. Its native range is from Nova Scotia south to the mountains of Georgia. Hint – what country is
Nova Scotia in? Can you name this evergreen tree?


26. This large tree loses its leaves in the winter. Its flower is red in March before the leaves appear. It is one of the first trees to color in fall.  The colors vary from tree to tree ranging from yellow to orange to red.  Hint – this tree and its cousin, the Sugar Maple, are the brightest leaf colors in the fall. Can you name this tree?

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Rock City History Review

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Garnet Carter was born in Sweetwater, Tennessee in ________________ .  His wife was

____________________________ . Garnet Carter invented  Tom Thumb Golf, which was the world’s first

_______________________  ______________________ . Frieda Carter used a ball of ____________
to mark her winding pathway through Rock City. Rock City Gardens was opened to the public May 21, _________.

Garnet Carter hired a man named ____________________ ________________________ to paint signs

on barns along the roads advertising Rock City. He painted three words, most often they are________________

_____________ _____________ ! 


Since then millions of people have made their way to Rock City Gardens.

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Grow Your Own Crystals

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Gather these things:
• String (kite string works well)
• A pot (medium to large size)
• Candy thermometer
• Metal bowl or pan
• 2 cups water
• 5 cups sugar
• Spoon
• Foil

Stretch the string across the top of the metal pan or bowl. You will need to let it droop into the liquid, but don’t let in touch the bottom. Tape the ends to the outside of the pan or bowl to keep it from touching the bottom.

Put water and sugar in the pot and stir until the sugar dissolves. Place candy thermometer in water and cook until the liquid reaches 250 degrees. DO NOT stir after you have started cooking the liquid.


Carefully pour the VERY hot liquid into the pan or bowl that you have prepared with the string. Make sure that the string is at least 3/4 of an inch under the surface of the liquid. Cover the pan or bowl with foil and don’t disturb it for a week. In 7 days, lift out the string and it will be covered with Rock Candy.

 

Make sure to have an adult’s help during the cooking
and while working with the hot liquid!


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Erosion Experiment

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What you need:
A plastic container with a wide neck and a screw on or clip on top, pieces of rock/building material of various sorts


What do you think?

Which type of rock do you think is the toughest? Which will break up  fastest? Try to work it out first - then do the experiment.


What to do:

Lay out the rocks and look at them. Put them all in the plastic container together and shake it hard for 15 seconds. Pour them out and see which ones have changed the most. Do this several times to find out which rocks are the best survivors. If you have some kitchen scales, you could try weighing the different bits of rock at each stage to measure how they get broken down.


What happens?

Which rock broke? Why do you think some rocks break more easily?  Take your rocks out and examine them. Try other rocks as well.

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Make Your Own Sandstone

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What you need:
• Sand
• Water
• Milk Carton with top cut off
• Sunshine


What to do:

Fill your milk carton with sand and water. Pack it in very tightly and place in the sun to dry. After a few days, carefully remove the milk carton and you will have a block of sandstone. Careful, it is fragile!

 

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How A Stem Works

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What you need:
• 2 glasses of water
• Food coloring
• A fresh piece of celery with its leaves on top
• A white carnation
• Knife (adults only please)

 

What to do:
1. Add a few drops of food coloring to each glass of water.
2. Put the celery in one glass and the carnation in the other.
3. Set the glasses in the sunlight and leave alone for 24 hours.

What happens?
Look at your celery and carnation after they have been sitting in the sun.  They have changed to the color of your food coloring! That is because the stem of the celery and carnation were pulling up the water from the glass to
the rest of the plant. An adult should cut the stem of the plants so that you can find the tubes that the plants used to carry the water.

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Plants Are A-maze-ing!

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You will see some plants are Rock City have grown in strange ways to reach the sunlight they need in this activity you can see that in action.


Materials:
• Shoe box with lid
• Sprouting potato
• Small pot that will fit in shoe box with lid closed, filled with moist
potting soil
• Two pieces of cardboard
• Tape


What to do:

1. Plant the potato halfway in the pot of moist soil.
2. Put the pot in one end of a shoe box.
3. Cut a hole about 1” in diameter at the other end of the box.
4. Tape one piece of cardboard coming
from the shoe box lid (leave a 2” space underneath so that it doesn’t touch the bottom of the box) and one at the bottom of the box (leave a 2” space at the top).
5. Put the top on the box and place next to a window with the hole facing the window.

In a few days the plant should grow through the maze toward the light.

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Answer Key

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Quiz, Review and Plant Hunt Answers Rocks Multiple Choice
1. B - mountain
2. D - all of the above
3. B - igneous
4. A - quartz
5. B - Appalachian
6. B - lithification
7. B - planting trees
8. D - sandstone
9. B - the ocean
10. B - beach

A Garden of Knowledge
1. The ovule of a plant will eventually become a seed.
2. The two different types of roots are taproots which grow straight down, and fibrous roots which spread out.
3. Plants are very important because they release oxygen that humans and other animals need to breath.
4. Plants that produce cones instead of flowers are called conifers.
5. A fern starts out as a gametophyte. A plant that is both male and female.
6. The male part of a flower is moved by wind, water, bees, and animals. It is called pollen.
7. During pollination, the pollen sticks to the stigma of a flower. The stigma is attached to a long tube called a style.
8. The green substance in a plant’s leaves is called chlorophyll.
9. Water and minerals move from up from a plant’s roots through the stem.
10. Ferns have spores on the bottom of their leaves that are released into the wind instead of seeds.


Plant Hunt
1. Fothergilla gardenii – Dwarf Fothergilla
2. Cercis Canadensis ‘Forest Pansy’ Eastern Redbud
3. Iles opaca – American Holly
4. Labeled Ferns: 1) Autumn Fern 2) Christmas Fern 3) Cinnamon Fern
4) Japanese Painted Fern 5) Royal Fern 6) Tassel Fern
7) Boston Fern 8) Resurrection Fern

5. Nyssa sylvatica – Black Gum or Sour Gum
6. Hydrangea quercifolia – Oakleaf Hydrangea
7. Viburnum carlesii ‘Cayuga” Korean Spice Viburnum
8. Viburnum utile – Eskimo Viburnum
9. Celtis occidentalis – Common Hackberry
10. Cornus alternifolia – Pagoda Dogwood
11. Elaeagnus pungens – Thorny Elaeagnus
12. Taxodium distichum – Common Bald Cypress
13. Liquidambar styraciflua – American Sweetgum
14. Mahonia bealei – Leatherleaf Mahonia
15. Malus sp. – Flowering Crabapple
16. Rhododendron sp. – Rhododendron or Azaleas
17. Quercus prinus – Chestnut Oak
18. Paulownia tomentosa – Princess Tree
19. Buddleia davidii – Butterfly Bush
20. Yucca filamentosa – Adam’s Needle Yucca
21. Amelanchier laevis – Serviceberry
22. Franklinia olatamaha – Ben Franklin Tree
23. Aesculus pavia – Red Buckeye
24. Hamamelis vernalis – Vernal Witch Hazel
25. Tsuga Canadensis – Canadian Hemlock
26. Acer rubrum – Red Maple

Rock City History Review


Garnet Carter was born in Sweetwater, Tennessee in 1883. His wife was Frieda Carter. Garnet Carter invented Tom Thumb Golf, which was the world’s first miniature golf course. Frieda Carter used a ball of string to mark her winding pathway through Rock City. Rock City Gardens was opened to the public May 21, 1932. Garnet Carter hired a man named Clark Byers to paint signs on barns along the roads advertising Rock City. He painted three words, most often they are SEE ROCK CITY ! Since then millions of people have made their way to Rock City Gardens.

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