Tree Rings, Ice Cores, and Varves (CK)

The cylinders of ice that are extracted from an ice sheet of glacier are called:

• Ice cores
• Volcanic acid layer
• Moraines
• None of these

Tags

NGSS.HS-ESS3-5

Which is true about ice cores?

• All of these
• Ice cores can determine how the environment has changed
• ice cores can help scientists create a record of the local climate for thousands of years
• Ice cores can tell how concentrations of atmospheric gases have changed

Tags

NGSS.HS-ESS3-5

The distinctive patterns of tree rings, ice cores and _____ going back thousands of years can be used to determine the time they were formed.

• Varves
• Ice-caps
• Wood density
• None of these

If there is a summer drought _____.

• The tree will grow slower and the light bands will be small
• The tree will not grow and the bands will not change
• The tree will grow faster and light bands will be small
• None of these

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

____ analysis yields clues about how changes in the concentration of atmospheric gases have influenced Earth's climate over time.

• Ice core
• Rainfall
• Borehole
• None of these

The counting of ______ layers is one of the methods of ice core dating.

• Dust-snow
• Century
• Mud
• None of these

We can see tree rings by:

• Cutting a horizontal cross-section of a tree
• inspecting the bark of a tree
• doing microscopic analyses of leaves
• None of these

The tree rings, ice cores and varves indicate the animals present at the time they were made.

• false
• true

A cold year is indicated in a varve by a thick deposit of sediment.

• false
• true

A cold year is indicated in a varve by a thick deposit of sediment.

• false
• true