Science Quiz 4/9 Flashcards
1
Q
Deep within the ocean temperatures, the temperatures are ________
A
Freezing
2
Q
Near the hot water vents live creatures such as _______.
A
Red tipped tube worm, giant clams, spider-like crabs
3
Q
_____ are underwater mountains
A
Mid-Ocean Ridges
4
Q
Sonars are devices that bounce sound waves off objects under water then record _____
A
Echo
5
Q
T/F Some mountains are hidden underwater
A
True
6
Q
A ____ valley splits at the top of some mid ocean ridges
A
Steep sided valleys
7
Q
Which American geologist studied mid ocean ridges?
A
Harry Hess
8
Q
How many steps are there to seafloor spreading?
A
4
9
Q
_____ is a small submarine that scientists use to dive deep within the ocean
A
Alvin (& the chipmunks)
10
Q
By _____ into the ocean floor scientist collect rock samples
A
Drilling
