Which of the following comprised thelargest portion of Earth’s volume?

What is the evaporation of waterfrom plant surfaces especially through stomates?

Which of the following processes form clouds?

Which of the following is included in the term hydrosphere?

1.       What part of the atmosphere protect Earth’s surface from harmful ultraviolet radiation?

The aurora borealis and auroraaustralis are caused by the interaction between charged particles andEarth’s magnetic field. What layer of Earth’s atmosphere contains theseparticles?

 Which is a deep layer ofelectrically charged molecules and atoms that reflects radio waves?

What makes the Earth habitable forplants and animals?

 Which of the following geologic spheres comprise of all water forms in and on Earth including the Atmosphere?

Which of the following statements DOES NOT correctly describe the earth’s subsystems?

Quartz is one of the common examplesof rock-forming minerals. Scientists identify rocks based on which of thefollowing sets of physical properties of rocks?

An Earth Science student identifies a mineral present in rock by rubbing it on a porcelain plate and observing the color of its residues on the plate. Which test is performed by the student?

There were theories about planet Earth, which of the following DOES NOT describe theplanet earth?

Which of the following processes will lead to the formation of an igneous rock?

How do scientists classify igneous,metamorphic and sedimentary rocks? They classify rocks based on __________.

Which of the minerals is INCORRECTLY defined based on its use?

A student obtains a cup of quartz and sand from a beach. A saltwater solution is poured into the sand and starts to evaporate. What is the mineral residue from the saltwater that cements the sand grains and forms a mineral that is most similar to its origin?

Where can we find the largest body of fresh water?

What happens to the magma inside the Earth once it is released to the Earth’s surface?

Our planet earth is considered uniquely different from any other planets in the Solar System. Which among the given choices s correctly answers the statement? Earth is the only planet that ________.

Which walking on a beach, an Earth Student with his friend saw a rock which he believes is a “gneiss”. Which characteristic of the rock did he see that would convince his friend?

What is the age of the Earth according to Paleontologists?

Tooth extraction leaves an empty gum that affects an individual’s speaking and eating ability. To address this problem, dentists used light metallic mineral to implant tooth on the affected gum. What metallic mineral is used by the dentists?

What are the resulting forces of metamorphism?

A rock sample was recovered from Taal Volcano Island by a local. The resident volcanologist was on site and identified the rock was formed from the material ejected by the volcano during its eruption. He further observed that the rock sample had a glassy appearance. What type of rock did the local recover?

Kyla collected samples of sedimentary rocks from the riverbank of Pasig. She grouped the rocks according to their characteristics. On the first group, she observed attached shells on the samples. While on the second group, she observed attached pebbles on it. What type of sedimentary rocks did Kyla collect from the riverbank?

Earth is the only planet in the Solar System known to harbor life.

Why is Earth called “the living planet”?

How does the temperature change as you go up in the Troposphere?

How does the temperature change as you go up in the Stratosphere?

How does the temperature change as you go up in the Thermosphere?

How does the temperature change as you go up in the Mesosphere?

Grassland in South Africa is called__________. 

How many percent of Earth’s water is distributed in fresh water? 

What is the hardest mineral?

Which of the following minerals are correctly arranged from softest to hardest?     

What is one of the softest mineral that is widely used in cosmetic products such as baby powder, and adult body and facial powders, as well as in a number of other consumer products?

What is the theory that describes the universe as expanding, having originated from an infinitely dense point around 14 billion years ago.

Which of the following is the biotic component of Earth?

Which physical property of mineral describe the appearance of light as it is reflected of its surface?

It is defined as naturally occurring, inorganic solid with definite chemical composition and an ordered internal structure.   

Which layer of the earth’s atmosphere stops most meteors as they fly toward earth? All we see is the streak of light as they burn up.

Which layer of the Earth’s atmosphere is much calmer? This is where commercial airplane fly.

For Numbers 44-50:

Choose letter A if both of the statement is TRUE. Choose letter B if both of the statement is FALSE. Choose letter C if the first statement is TRUE and the second statement is FALSE. Choose letter D is the first statement is FALSE and the second statement is TRUE.

The hydrosphere is the totality of Earth’s water.

 Including the permanently frozen parts called cryosphere.

The geosphere refers to the solid Earth.

Loose particle of rock that blanket the surface of the Earth called regolith.

Atmosphere is the mixture of gases that surround the planet.

The air in the atmosphere is composed of 78% nitrogen.

Biosphere includes all life forms.

Biosphere also includes organic matter that has not yet decomposed.

Earth as an open system means the amount of matter is fixed.

The resources used can never be regenerated and the waste produced can’t be disposed.

Rocks that are formed on the surface of the Earth from lava is called intrusive igneous rocks.

Extrusive rocks are formed from magma that cools and solidifies within the crust of the planet.

A pumice stone is formed when lava and water mix together. It is a light yet abrasive stone used to remove dry, dead skin.