Fossils & Changes Over Time

Powerful natural processes, such as earthquakes and erosion, that shape and change the Earth’s surface over time

• strata

• sediments

• sedimentary rocks

• fossils

• Earth forces

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-1

Rocks that are formed by layers of sediments becoming hardened over millions of years

• strata

• sediments

• sedimentary rocks

• fossils

• landscape

Tags

NGSS.MS-ESS2-1

Tiny particles like sand, mud, and small rocks

• strata

• sediments

• sedimentary rocks

• fossils

• Earth forces

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1

Visible features and landforms of an area

• strata

• sediments

• sedimentary rocks

• fossils

• landscape

Tags

NGSS.MS-ESS2-2

Horizontal layers of rocks that are formed over time and contain important information about the Earth’s past

• strata

• sediments

• sedimentary rocks

• fossils

• Earth forces

Tags

NGSS.MS-ESS1-4

The preserved remains or evidence of plants and animals that lived long ago

• strata

• sediments

• sedimentary rocks

• fossils

• landscape

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What is the most likely cause of the canyon shown in the image?

• Rapid accumulation of sediment
• Natural closing up of the land
• Wind eroding rocks over time
• Water washing away sediment and cutting through layers of rock

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

Which of the following can a scientist learn by studying rock layers and fossils? Select all that apply.

• The current temperature of the Earth
• How plants and animals have changed over time
• The history of Earth's landscapes

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Notice the fossils in rock layers 2 and 3. What can you conclude about the history of these rock layers?

• The landscape changed from water to land over time.
• An earthquake has shaped the Earth.
• The rock layers formed in just a few days.
• The landscape changed from land to water over time.
• None of the above

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-LS4-1

Maya, Leo, and Calin estimated the age of rock layers 1, 2, and 3. Which student’s estimate is most accurate?

• Maya
• Leo
• Calin

Tags

NGSS.MS-ESS1-4