Science Natural Resources 4q 1st half

What is present in the atmosphere which all living things need in order to breathe?

• Oxygen
• Hydrogen
• Nitrogen
• Carbon dioxide

Do plants provide earth with oxygen? How?

• Yes, plants provide earth with oxygen through the process of evaporation.
• No, plants provide earth with oxygen through the process of respiration.
• No, plants provide earth with oxygen through the process of combustion.
• Yes, plants provide earth with oxygen through the process of photosynthesis or when they make food.

It is also present in the atmosphere where it is taken in by plants to make food in the form of carbohydrates. Animals also breathe this out during respiration. It mixes with other gases in the atmosphere.

• Hydrogen
• Oxygen
• Nitrogen
• Carbon dioxide

TRUE OR FALSE: The earth's surface is covered with numerous water forms. These water forms are homes to many aquatic plants and animals.

• UNSURE
• PARTLY TRUE
• TRUE
• FALSE

TRUE OR FALSE: Plants are habitat for thousands of organisms. They provide food and protection for animals. They also provide shade that moderates temperature and protects animals from harsh wind.

• TRUE
• Plants are not important
• Partially true
• FALSE

TRUE OR FALSE: The earth's land is rich in mineral resources that is very important to modern living like how coals provide heat and some minerals are used as raw materials for making fabrics, plastics. etc.

• FALSE
• Partially true
• Not sure
• TRUE

What are earth's natural resources?

• Sunlight, wind, rocks, mountains, oceans
• Plants, animals, sunlight, air, mountains
• Air, plants, water, soil, minerals, forests, wildlife

• Clouds, rivers, deserts, glaciers, volcanoes

Types of Natural Resources?

• Artificial resources and man-made resources
• Limited resources and abundant resources
• Physical resources and mental resources
• Renewable resources and non-renewable resources

These are resources that can be replaced when used.

• Nonrenewable resources
• Limited resources
• Depletable resources
• Renewable resources

examples of renewable resources.

• plants and animals because they reproduce and can be replaced.

• Nuclear energy
• Coal energy
• Oil reserves