Page 10 - Kindergarten.indd

CONTROLLED EXPERIMENT - RESPONSE FORM

BIOME IN A BAG - SC.5.E.7.5

Student Name: _____________________________________ Date: _____________

TITLE BIOME IN A BAG

PROBLEM How does the land cover in varying environments affect the growth of rice
STATEMENT grass?

If the rice grass seed is placed in different environments, then it will grow
HYPOTHESIS
the tallest in the (gravel/soil/or sand).
circle one

CONTROL GROUP INDEPENDENT VARIABLE DEPENDENT VARIABLE NUMBER OF TRIALS

FIXED

VARIABLES

 three – 16 ounce clear plastic cups
 three – quart sized zip lock bags

 one – pack of rice grass seeds
 one – spray bottle of water (container of water)
 ½ cup – gravel or pebbles
MATERIALS  ½ cup – sand
 ½ cup – potting soil
 one – teaspoon
 one – metric ruler

Step 1: In the first cup, pour the potting soil into the clear plastic cup until
it is about half full.

Step 2: Using your thumb, press firmly into the soil. Sprinkle one teaspoon
of seed over this spot in the soil.

PROCEDURES
Step 3: Cover with a very thin layer of soil about 2 centimeters deep.

Step 4: Spray or sprinkle with water just until a small amount begins to
collect at the bottom of the cup.

Step 5: Place the cup inside of a zip lock bag and seal.

Step 6: Repeat steps 1-5 using the gravel.
Step 7: Repeat steps 1-5 using the sand.

Step 8: Observe for 12 days and record the measurements.

44