Soil

Which event would NOT happen because of a flood?

• Dams would overflow causing water to run into neighborhoods.

• River banks would erode and soil would be moved downstream.

• Crops would flood and be damaged so people would not have food to eat.

• Animals would continue to live the same as they did before the flood.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is a good way to conserve soil?

• plant bushes

• clear all the plants to build a dirt bike track

• cut down trees

• remove all the weeds from the garden

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NGSS.MS-LS2-5

Which answer orders rock particles from smallest to largest correctly?

• 1. clay

  2. sand

  3. silt

• 1. silt

  2. sand

  3. clay

• 1. sand

  2. silt

  3. clay

• 1. clay

  2. silt

  3. sand

Humus is decayed living/organic matter. It adds _______ to the soil.

• worms

• nutrients

• air

• sunlight

• smell

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Soil is formed when _____ are broken down by living things, weather, and water over long periods of time.

• rocks

• houses

• animals

• fossils

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NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Clay is...

• never sticky.

• does not hold water well.

• does not contain many nutrients.

• sticky, holds water well, and has nutrients.

Choose the 2 most important reasons to protect/conserve soil?

• It provides support for plant growth.

• It provides nutrients to plants to help them grow.

• It contains many harmful pollutants.

• It is a good source of food for humans.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

NGSS.MS-LS2-3

Replanting a plant in sandy soil is not best because...

• It will grow very well.

• Sand does not hold water well and does not have many nutrients so it won't grow well.

• Sand washes/runs away easily.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

What is a positive effect of a wildfire in the forest?

• The burning fire causes the air to be polluted.

• It takes many years for plants to regrow.

• After a fire, animals struggle to find food.

• The heat from the fire allows some seeds to grow.

Students planted a similar bean in two pots. One pot contained nutrient rich topsoil. The other contained subsoil. After 2 weeks, the plants were measured. What question were the children trying to answer with this experiment?

• Which type of bean grows faster?

• Which bean will taste better?

• Which type of soil helps plants grow better?

• Which bean plant is the prettiest?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5