They are the simplest type of volcano in the world.

A ________________ is one constructed of alternating layers of pyroclastic material and solidified lava flows

What are the three factors that makes a volcano erupt?

A __________ is a rounded, steep – sided mound that is formed by small, bulging masses of lava primarily composed of either dacite or rhyolite

The most well-observed eruptions are ______________, which involve the decompression of gas within magma that propels it forward.

The largest and most violent of all the types of volcanic eruptions are ______________.

They are also called glaciovolcano.

______________ are steam-driven explosions that occur when water beneath the ground or on the surface is heated by magma, lava, hot rocks, or new volcanic deposits

The following eruptions are classified under magmatic eruptions except for one. Which one is it?

A ______________ eruption is a short, violent, relatively small explosion of viscous magma

Pelean eruptions, or ______________ eruptions occur when a large quantity of gas, dust, ash and lava fragments are blown out of a volcano’s central crater

What are the two classifications of vulcanic eruptions?

Volcano eruptions which take place beneath the surface of water are called _______________.

This type of eruption do not occur in many places since it requires the presence of a glacier and an active volcano.

The lungs bring ______ into the body, and eliminates _____ from the body.

Which of the following structures is NOT part of the respiratory system?

What organ in the circulatory system is responsible for pumping the blood throughout the body?

Which type of circuit/ circulation is responsible for the movement of blood from the heart to the rest of the body, excluding the lungs?

Which structures of the heart receive blood from the lower and upper parts of the body?

The Circulatory System is also termed as ___________________

The Circulatory System is comprised of the following except:

All of the following are blood vessels except:

It corrects the artery and vein

It carries blood back to the heart

It prevents the backflow of the blood

Upper chamber of the heart

Mitral valve is commonly known as ________

Where the exchange of gas happens

How is the size of stars affect its brightness?

Why were constellations important to ancient Filipino culture aside from their practical uses?

Which of the following is NOT a consequence of excessive carbon emissions?

Evaluate the correct description for classifying cone shape of a volcano.

The higher the elevation or height of a volcano, the steeper the slope that can lead to more destructive magma emission.

The cone shape is not related to the elevation or height of the volcano, instead the number of eruptions determine the amount of magma emission.

What preparation should be made before a volcanic eruption?

What preparation should be made DURING a volcanic eruption?

What preparations should be made AFTER a volcanic eruption?

What part of lungs is this?

The site of gas exchange in the lungs.

 It is described as the movement of air in and out of the lungs.

Muscles found beneath the lungs that aid the breathing process.

 It is the movement of gas molecules between the Alveoli and the blood in the   capillaries in the lungs without involvement of any energy or intervention from the body.

 What divided the heart into left and right?

What do you call the smallest blood vessels in the body?

Which disease is characterized by the abnormal increase in the number of white  blood cells?

Which of the following is characterized by sudden abnormal increase in blood pressure?

Which of the following may occur when there is an insufficient supply of blood to the brain?

Jane is interested in studying how physical aspects of the environment interact with the environment’s chemical processes.

Which discipline will help Jane pursue her interest?

A group of environmental scientists wants to study the impact of population growth on the environment. Which discipline will contribute to the study?

Claire wants to present scientific information on climate change. Which group should Claire approach?

Frank has researched how solar technology can help save energy. Which group should Frank approach to share his findings?

As an environmental scientist, Mike wants to address the issue of climate change. Studying which aspect will help Mike address the issue?

Select the correct answer from each drop-down menu.

What did the Romans build as a step toward environmental management?

The Romans built ____________

to carry water from abundant water areas to areas with high chances of drought.

Select the correct texts in the passage.

Which sentences describe the discipline of the natural sciences?

Which of the following are the tiny hairs that filter the air that is inhaled, or breathed into the body?

Which of the following is referred to as the windpipe, which the inhaled air travels through to reach the lungs?

Which of the following is the correct sequence for the air that travels from the nose or mouth, and eventually sending oxygen throughout the body?

Which of the following are the tubes that enter the left lung and right lung, branching off from the trachea?

Which of the following is another term for the voice box, which has vocal cords that vibrate when a person speaks?

What is the main function of the respiratory system?

How does the respiratory system deliver oxygen to different parts of the body?

What is the diaphragm's main function?

During exhalation process, the diaphragm___________.

Which of these doesn’t occur when air flows into the lungs?

What type of eruption produces lava curtains?

Which eruption type does not involve lava?

What makes a volcano inactive?

Which of the following volcanoes are included in the four most active volcanoes in the country?

Why is volcanic activity classification necessary?

What do you call a mound formed from flank eruptions?

Which of the following is a potentially active volcano?

What are the classification of Volcano based on structures?

What are the trace gases that absorb and emit radiation?

What is an example of a high-latitude climate?

It is the negatively charged particle of the atom.

He was known for his "raisin- bun" model of atom.

He coined the word "atomos" which means indivisible.

What was the famous experiment that proves the existence of protons in atoms?

He discovered the presence of neutrons in the nucleus of atoms.

It is the principle that states that it is impossible to know the exact location and momentum an electron around the nucleus of an atom.

He proposed that electrons move in fixed and quantized orbits.

It is the lowest possible energy state of an electron.

True or false: Schrodinger's model of an atom give the probability of finding an electron in a region around the nucleus of an atom.

According to Bohr, the 4th orbit (energy level) can contain up to ____ electrons.

It is the sum of all the different species of animals, plants, fungi, and microbial organisms living on Earth, and the variety of habitats in which they live.

a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

It is the end of the existence of a group of organisms, caused by their inability to adapt to changing environmental conditions.

The maximum population size an environment can support is called______.

When species, population becomes so low that only few remain, the species is considered as _______.

It is the disappearance of a species when the last of its members die.

It is the natural process of warming the Earth.

It is an increase in the earth's temperature from the rapid buildup of CO2 and other gases. This, in turn, could change the world climate.

_____ means that the rate at which society uses renewable resources does not exceed the rate at which the resources are generated

It is a group of living things within a certain area that are all of the same species.

Volcanic Energy is related to which type of energy?

About 18% of the energy in the Philippines is harnessed using volcanic energy. Which of the following characteristics makes the country a good location in harnessing volcanic energy

Which of the following places in the Philippines can produce geothermal energy?

Which of the following best describes geothermal energy?

Which of the following is/are importance of geothermal energy?

Why is the Philippines considered as one of the world's top producer of geothermal energy?

In which areas we can find the high geothermal energy?

Use the heat coming from close to the Earth’s surface to heat water or provide heat for buildings

Heat from deep inside the Earth is used to produce steam to generate electricity

Where are red blood cells produced?

What valve is found between the right atrium and right ventricle?

They play part in the clotting of blood.

Which component of the blood has a nucleus?

What mineral is present in the chemical pigment of a red blood cell?

Veins have openings or lumens which are wider than the arteries.

Which of the following is not a formed element?

Which of the following is responsible for sealing the wound?

Which of the following is not true about human circulatory system?

Blood platelets or thrombocytes are not true cells but are fragments of __________________.

Which of the following is not true about red blood cells?

_________________ begin developing in the bone marrow and mature in the lymph organs and nodes.