Exploring Soil

Which of the following is the BEST way to test a soil's ability to hold water?

• adding soil to a beaker full of water and seeing if the soil sinks

• pouring water through a funnel of soil and seeing how much water drips out

• stirring soil into a bowl of water and seeing if the soil disappears

• mixing water with a pile of soil and seeing if the water changes temperature

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

________ formed when plant and animals decay

• humus

• sand

• clay

_______ is made of tiny broken rocks and has the largest particles

• sand

• clay

• Slit

Texture is the way the soil

• feels

• looks

______ can retains the most amount of water, and gets slimy when wet

• humus

• clay

• sand

_______ can not hold water and is gritty when wet

• sand

• clay

• loam

_______ has the smallest particles, can hold water very well

• Slit

• clay

• sand

Which of the following is NOT an organic matter

• Worms
• Decayed animals
• Rocks
• Decayed plants

Which of the following is NOT one of the three types of soil?

• clay
• sand
• silt

• mud