Planet Earth Pt 1

Sort each landscape change into sudden or gradual.

Groups:

(a) Sudden

,

(b) Gradual

• flash flood

• climate change

• glaciers

• earthquake

• mountains

• forest fire

• landslide

• volcanic eruption

• hurricane

• valleys

• lake/river formation

• continent location

• tsunami

Label what is occurring in the diagram (in the 1st image, rocks are breaking down)

a

b

c

erosion

sedimentation

weathering

Sort these examples into weathering, erosion and sedimentation.

Groups:

(a) Weathering

,

(b) Erosion

,

(c) Sedimentation

• River banks widening

• Build up of silt on lake bottom

• Sand gathering at ocean bottom

• Ocean waves carrying small rocks away

• Rivers cutting rock into canyons

• Lichen releasing acid onto rocks

• Dirt layering on river bed

• Rocks breaking down into sand and dirt

• Tornado carries away dirt

​ (a)   is when rocks break down into smaller pieces; ​ (b)   is when these small pieces get carried away; ​ (c)   is when these small pieces build up in a new area

• weathering
• erosion
• sedimentation

Choose the weather conditions that most likely lead to weathering

Which of the following could occur in an area with a lot of erosion? (more than one correct answer)

• Canyons and valleys form and widen

• Mountains will end up with sharper peaks

• Loose dirt and ground will sluff (fall in)

• Lots of new rock will form

Label the layers of the Earth

a

b

c

d

e

outer mantle

inner core

crust

outer core

inner mantle

Select the layers of the Earth that are solid

Select the layers of the Earth that are liquid

A device used to measure how earthquake waves travel through the Earth is known as a...

(a)