Similar containers were filled with different
types of soil. Holes were poked into the bottom
of each container, and 300 milliliters of water
were added. The water that dripped out was
collected and measured. According to the
information in the table, which type of soil
retained water best?

A Potting soil
B Sandy soil
C Gravel
D Clay

A student wants to find out which type of soil
holds the most water. He uses four identical
pots with holes in the bottom. He fills each pot
with a different type of soil and waters the
pots with the same amount of water. How can
he find out how much water stays in the soil
in each pot?

A By planting seeds and measuring plant
growth in each pot
B By measuring the amount of water that
drains from each pot
C By observing which soil looks wettest
after the water has been added to the pots
D By feeling the soil before and after adding
water to each pot