Mystery Science - Work of Water - Erosion & Earth Surfaces

Where do rivers end?

• mountains

• plains

• lakes

• oceans

Tags

NGSS.MS-ESS2-4

Where do all rivers start?

• canyons

• mountains

• oceans

• lakes

What is sand made of?

• tiny rocks

• plastic

• metal

• dirt

Why is there sand at the beach?

• A person brought the sand to the beach

• Tiny rocks fall from the sky

• Rivers break up the rocks and carries them down to the beach

• Animals left it there

What made the Grand Canyon?

• water

• wind

• hurricane

• tornado

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

What is the main cause of erosion?

• water

• animals

• people

• trees

Tags

NGSS.MS-ESS2-2

What is a landslide?

• When land stays at one place.

• Something on a playground.

• When land slides down a cliff or mountain.

• An island in the Pacific Ocean

What causes a landslide?

• animals

• electricity

• trees

• water

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-4

NGSS.MS-ESS3-2

What are examples of erosion?

• canyons

• landslides

• land fans

• all of the above

Tags

NGSS.MS-ESS2-2

Why do landslides happen more often after there's been a wildfire?

• There are fewer plants to soak up the water and fewer roots to hold the soil in place.

• The animals have more room to roam and causes the landslides.

• More rocks are showing

• It is hotter due to the fires