# Science Quiz 5.1 - Exploring God's World Grade 4

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Science Quiz 5.1 - Exploring God's World Grade 4

• 1.

### How much of the earth is covered in water by oceans, lakes and rivers?

• A.

1/4

• B.

1/3

• C.

1/2

• D.

2/3

• E.

3/4

E. 3/4
Explanation
Approximately 71% of the Earth's surface is covered in water, with the majority being saltwater in the oceans. This includes not only the oceans but also lakes, rivers, and other bodies of water. Therefore, it can be concluded that around 3/4 or 75% of the Earth is covered in water by oceans, lakes, and rivers.

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• 2.

### If all the ice in the world melted, there would be enough water to raise the level of the oceans about ______.

• A.

300 feet

• B.

200 feet

• C.

500 feet

• D.

400 feet

A. 300 feet
Explanation
If all the ice in the world melted, there would be enough water to raise the level of the oceans about 300 feet.

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• 3.

### There is enough water in the oceans to cover all land on earth more than a ________ deep.

mile
Explanation
The given statement implies that the amount of water in the oceans is so vast that it could completely submerge all the land on Earth to a depth of at least one mile. This suggests that the oceans contain an immense volume of water, highlighting the enormity and depth of Earth's water bodies.

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• 4.

### Water is found in where?

• A.

Oceans, lakes and rivers

• B.

Soil

• C.

Underground

• D.

The air

• E.

All of the above

E. All of the above
Explanation
Water is found in oceans, lakes, and rivers as they are large bodies of water on the Earth's surface. It is also present in the soil, where it is absorbed by plants and used for growth. Additionally, water can be found underground in aquifers and wells. Finally, water is present in the air in the form of water vapor. Therefore, the correct answer is "all of the above" as water is found in all of these locations.

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• 5.

### On a pleasant summer day there are about 50,000 tons of water vapor in the air above a square mile of land.

• A.

True

• B.

False

A. True
Explanation
Water vapor is a natural component of the Earth's atmosphere and is present in varying amounts depending on the weather conditions. On a pleasant summer day, when the air is warm and humid, there is typically a significant amount of water vapor present. Therefore, it is plausible that there could be around 50,000 tons of water vapor in the air above a square mile of land on such a day.

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• 6.

### Water is given off by plants through thousands of pores in the leaves.

• A.

True

• B.

False

A. True
Explanation
Plants release water through tiny openings called stomata, which are present on the surface of their leaves. These stomata allow for the exchange of gases, such as oxygen and carbon dioxide, as well as the release of water vapor through a process called transpiration. As a result, it is true that plants give off water through thousands of pores in their leaves.

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• 7.

### Plants with __________ leaves give off the most water.

wide
Explanation
Plants with broad or wide leaves give off the most water because they have a larger surface area for transpiration. Transpiration is the process by which plants release water vapor through their leaves. With a larger surface area, more water can evaporate from the leaves, increasing the amount of water released by the plant.

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• 8.

### From the time it is planted until it is harvested, a crop of corn can give off enough water to cover its field __________ deep.

• A.

12 inches

• B.

2 feet

• C.

11 feet

• D.

11 inches

• E.

12 feet

D. 11 inches
Explanation
A crop of corn can give off enough water to cover its field 11 inches deep. This means that during the growth period, the corn plants release enough moisture through transpiration and evaporation to create a layer of water that is 11 inches deep across the entire field. This indicates the significant amount of water that corn plants require and the extent to which they contribute to the water cycle.

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• 9.

### Water released from a person's skin is called what?

perspiration
Explanation
Water released from a person's skin is called perspiration. This process is also known as sweating. When the body temperature rises, the sweat glands in the skin produce sweat, which helps to cool down the body. Perspiration contains water, salt, and other substances, and it plays a crucial role in maintaining the body's temperature and keeping it hydrated.

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• 10.

### People release water into the air through the skin and __________.

lungs
Explanation
The human body releases water through the process of respiration. When we breathe, we inhale oxygen and exhale carbon dioxide, along with water vapor. This water vapor is produced in our lungs as a byproduct of the metabolic processes happening inside our body. Therefore, the correct answer is "lungs."

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• 11.

### How much water does an average person release every day through perspiration and breathing?

• A.

1 cup

• B.

1 quart

• C.

1/2 quart

• D.

1 pint

• E.

1/2 pint

B. 1 quart
Explanation
On average, an adult person releases about 1 quart (4 cups) of water every day through perspiration and breathing. Perspiration is the process of sweating, which helps regulate body temperature, and breathing involves exhaling water vapor. This amount can vary depending on factors such as physical activity level, environmental conditions, and individual differences.

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• 12.

### In the bible, the layer of air surrounding the earth separating the upper and lower waters is called the __________.

firmament
Explanation
In the Bible, the term "firmament" refers to the layer of air that separates the upper and lower waters. This concept is described in the book of Genesis, where it is believed to be a solid structure that divides the waters above from the waters below. The term "firmament" is used to convey the idea of a solid, protective barrier or canopy that exists in the heavens. It is a term that is unique to biblical literature and is not commonly used in modern scientific understanding of the atmosphere.

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• 13.

### At the time of the Great Flood, God released the waters _________ the firmament.

• A.

Above

• B.

Below

A. Above
Explanation
During the Great Flood, God released the waters "above" the firmament. This means that the waters were released from a higher position, possibly from the heavens or the sky, and descended upon the Earth. The word "above" indicates a direction upwards, suggesting that the waters came from a higher place and poured down onto the Earth, causing the flood.

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• 14.

### Clouds are mostly made up of __________ and __________.

water air
air water
Explanation
Clouds are primarily composed of water droplets and ice crystals suspended in the air. The water in the atmosphere condenses and forms tiny droplets or ice crystals around particles such as dust, pollen, or pollution. These droplets and crystals then gather together to form clouds. The air is also present in clouds as it provides the medium for the water to be suspended and carried in the atmosphere. Therefore, the correct answer is water air, air water.

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• 15.

### A single cloud may contain between __________ to __________ tons of water.

100 1000
100 1,000
Explanation
A single cloud may contain between 100 to 1000 tons of water or between 100 to 1,000 tons of water.

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• 16.

### In science, the layer of air surrounding the earth is called the __________.

atmosphere
Explanation
The layer of air surrounding the earth is called the atmosphere. The atmosphere is composed of different gases, such as nitrogen, oxygen, and carbon dioxide, among others. It plays a crucial role in regulating the Earth's temperature, protecting it from harmful radiation, and providing the necessary conditions for life to exist. The atmosphere is divided into different layers, including the troposphere, stratosphere, mesosphere, thermosphere, and exosphere.

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• Nov 10, 2023
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• Nov 21, 2009
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