Question

complete each statement using a term or terms from the list below. write your answers in the spaces provided.
carbon dioxide nine atmosphere
hydrosphere lithosphere planet
glaciers oxygen temperature
sun oceans

1. earth is a ______________.
2. the planets circle the ______________.
3. ______________ planets move around the sun.
4. the solid part of the earth’s surface is called the ______________.
5. the gases that surround our planet make up the ______________.
6. the part of the earth that is water is the ______________.
7. most of the fresh water of the earth is frozen in ______________.
8. two important gases of the atmosphere are ____________ and ____________.
9. life exists on the earth because it has the proper mix of gases, reasonable ______________, and a large amount of water.
10. salt water is found mostly in the ______________.

matching
match each term in column a with its description in column b. write the correct letter in the space provided.
column a column b
______ 1. salt water a) makes up about 97% of the hydrosphere
______ 2. atmosphere b) water layer
______ 3. hydrosphere c) rocks, minerals, and soil
______ 4. lithosphere d) gases needed by living things
______ 5. oxygen and carbon dioxide e) mixture of gases

Explanation:

Fill in the Blanks Answers:

1. Earth is a planet.
2. The planets circle the sun.
3. Nine planets move around the sun.
4. The solid part of the earth’s surface is called the lithosphere.
5. The gases that surround our planet make up the atmosphere.
6. The part of the earth that is water is the hydrosphere.
7. Most of the fresh water of the earth is frozen in glaciers.
8. Two important gases of the atmosphere are carbon dioxide and oxygen (order can be reversed).
9. Life exists on the earth because it has the proper mix of gases, reasonable temperature, and a large amount of water.
10. Salt water is found mostly in the oceans.

Matching Answers:

1. salt water → a) makes up about 97% of the hydrosphere
2. atmosphere → e) mixture of gases
3. hydrosphere → b) water layer
4. lithosphere → c) rocks, minerals, and soil
5. oxygen and carbon dioxide → d) gases needed by living things

(for clarity):

• Fill in the Blanks: Terms are chosen based on scientific definitions (e.g., Earth is a planet; the sun is the center of the solar system; lithosphere = solid Earth; hydrosphere = water on Earth; etc.).
• Matching:
• Salt water (oceans) = ~97% of hydrosphere (a).
• Atmosphere = mixture of gases (e).
• Hydrosphere = all water (water layer, b).
• Lithosphere = solid rocks/minerals/soil (c).
• O₂/CO₂ = gases essential for life (d).

Answer:

(for clarity):

• Fill in the Blanks: Terms are chosen based on scientific definitions (e.g., Earth is a planet; the sun is the center of the solar system; lithosphere = solid Earth; hydrosphere = water on Earth; etc.).
• Matching:
• Salt water (oceans) = ~97% of hydrosphere (a).
• Atmosphere = mixture of gases (e).
• Hydrosphere = all water (water layer, b).
• Lithosphere = solid rocks/minerals/soil (c).
• O₂/CO₂ = gases essential for life (d).