1. Limestone can dissolve over thousands of years and become a cave.

True
False

2. Caves can be found underwater.

True
False

3. The temperature in a cave can be extremely warm and extremely cold.

True
False

4. Stalagmites grow down from the roof of a cave.

True
False

5. Stalagtites form by the dripping of water.

True
False

6. Lava tubes are formed from huge air bubbles in lava that have cooled and hardened.

True
False

7. An example of a Trogloxene, a cave "guest", is a bat.

True
False

8. A fish that can live no where else except a cave, is an example of a _____ ? :

Trogloxene
Troglophile
Troglodyte
all of the above.

9. The average temperature in a cave would be _____ .

8 degrees Celsius or 47 degees Fahrenheit
32 degrees Celsius or about 90 degees Fahrenheit
27 degrees Celsius or about 81 degees Fahrenheit
12 degrees Celsius or about 54 degees Fahrenheit

10. Which of the following is a source of food for creatures who live only in a cave?

bat guano
nutrients from rain water
limestone deposits
fluorescent glow worms

Your score is out of 10.