Problem.—To discover some of the factors of the environment of plants and animals.
(a) Environment of a plant.
(b) Environment of an animal.
(c) Home environment of a girl or boy.
Laboratory Suggestions
Laboratory demonstrations.—Factors of the environment of a living plant or animal in the vivarium.
Home exercise.—The study of the factors making up my own environment and how I can aid in their control.
Environment.—Each one of us, no matter where he lives, comes in contact with certain surroundings. Air is everywhere around us; light is necessary to us, so much so that we use artificial light at night. The city street, with its dirty and hard paving stones, has come to take the place of the soil of the village or farm. Water and food are a necessary part of our surroundings. Our clothing, useful to maintain a certain temperature, must also be included. All these things—air, light, heat, water, food—together make up our environment.
An unfavorable city environment.