Free Printable 4th Periodic Science Grade 7

1.

The lines of latitude also known as parallels of latitude. When measuring the lines of latitude, always begin with the ______, which represents 0 degrees.

a)

a. Prime meridian

b)

b. Equator

c)

c. Longitude

d)

d. North pole

2.

Watersheds drain their water into rivers and dams. Which of the following dam can be found in Norzagaray, Bulacan?

a)

a. La Mesa Dam

b)

b. Pantabangan Dam

c)

c. San Roque Dam

d)

d. Angat Dam

3.

You can describe the location of a place using its latitude and longitude. Using your map, in which longitude could you find the Philippines?

a)

a. 120°E

b)

b. 120°W

c)

c. 80°E

d)

d. 80°W

4.

Soil is formed when rocks and other materials near the Earth’s surface are broken down by a number of processes. What two factors have the greatest influence on soil formation?

a)

a. Reforestation and use of compost as fertilizer

b)

b. Kind of soil particles and temperature

c)

c. Slope of the land and rainfall

d)

d. Temperature and rainfall

5.

What is the reason to support the statement “Cutting of trees in large areas contributes to global warming?”

a)

a. Plants use carbon dioxide to make food. When trees are cut CO2 in the atmosphere will not be used up.

b)

b. Plants use oxygen to make food. When trees are cut, oxygen in the atmosphere will not be used up.

c)

c. Plants use water vapour to make food. When trees are cut, water vapour in the atmosphere will not be used up.

d)

d. Plants use nitrogen to make food. When trees are cut, nitrogen in the atmosphere will not be used up

6.

Global warming is the increasing temperature phenomenon. Which of the following human activities contribute to global warming?

a)

a. IV only

b)

b. I, II,III and IV

c)

c. II, III,IV

d)

d. I only

7.

Atmosphere is the envelope of air that surrounds the Earths surface. What is the most abundant element in the Earth’s atmosphere?

a)

a. Oxygen

b)

b. Nitrogen

c)

c. Carbon dioxide

d)

d. Argon

8.

The Earth’s atmosphere contains trace gases such as carbon dioxide, water vapor and etc. What is meant by “Trace’ Gases”?

a)

a. They are not harmful

b)

b. They naturally occurring on Earth

c)

c. They are present in very small amounts

d)

d. They are emitted by trees

9.

Your community is rich in metallic minerals, which of the following should the community undertake in order to conserve such precious mineral deposits?

a)

a. Use dynamites to clear out the mountain and reveal the mineral deposits.

b)

b. Formulate laws and ordinances to regulate the mining of minerals.

c)

c. Put-up tunnels to harvest all metallic minerals.

d)

d. Use all of them to earn money.

10.

Renewable resources are the resources that can be replaced. Which pair of resources is renewable?

a)

a. Cotton and leather

b)

b. Aluminum and iron

c)

c. Soil and minerals

d)

d. Coal and solar energy

11.

One of the environmental issues discussed is the depletion of ozone layer. Why is the presence of ozone above the troposphere important for the survival of living things on Earth?

a)

a. It warms the Earth’s surface

b)

b. It helps in cloud formation

c)

c. It makes jet flying more comfortable

d)

d. It offers protection from the Sun’s harmful UV rays

12.

Singapore was very famous when it comes to their eco-friendly airport, it attracts lots of tourist from all over the world and it’s not too far from the Philippines. In which latitude could you find the Singapore?

a)

a. Between 0° and 30°N

b)

b. Between 0° and 30° S

c)

c. Between 120° E and 180° E

d)

d. Between 120° W and 120° W

13.

Hikers always find a way to climb the mountain they want to explore. Why do hikers put on thicker clothes when climbing a high mountain?

a)

a. The air temperature decreases with altitude

b)

b. For protection against insect bites

c)

c. So they can easily be located when they get lost

d)

d. To add more weight so they will not be pushed by the wind

14.

The richness of the Philippines in terms of mineral resources is being attributed to its location in the so-called___.

a)

a. Pacific Ring of Clouds

b)

b. Pacific Ring of Fire

c)

c. Pacific Ring of Water

d)

d. Pacific Ring of Air

15.

The Earth’s atmosphere is divided into five layers. What is the correct order of Earth’s atmospheric layers from bottom to top?

a)

a. Stratosphere, Mesosphere, Troposphere, Thermosphere, Exosphere

b)

b. Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

c)

c. Stratosphere, Troposphere, Thermosphere, Mesosphere, Exosphere

d)

d. Troposphere, Mesosphere, Stratosphere, Thermosphere, Exosphere

16.

Locating places also involves its lines of latitude. In which latitudes could you find the Philippines?

a)

a. Between 0° and 30°N

b)

b. Between 0° and 30° S

c)

c. between 120° E and 180° E

d)

d. between 120° W and 120° W

17.

During the day, the land heats up faster than the water in the sea. The air above land will then become warm ahead of the air above the sea. What happens to the surrounding air as warm air rises?

a)

a. Moves in all directions

b)

b. Moves to a higher altitude

c)

c. Moves toward the place where warm air rises

d)

d. Moves away from the rising air

18.

Soil is formed from rocks and undergo a process called weathering. Which is the best example of physical weathering?

a)

a. The rusting of an iron nail

b)

b. The cracking of rock caused by the freezing and thawing of water

c)

c. The chemical reaction of limestone with acid rain

d)

d. The formation of sandbar along the side of a stream

19.

Natural gas is a form of fossil fuel, so are coal and crude oil. Why coal, petroleum and natural gas are considered non-renewable resources if they were produced from plants and animals remains?

a)

a. The Philippines is dependent on supply from other countries.

b)

b. They are difficult to locate and explore from Earth.

c)

c. Using those results in environmental problems.

d)

d. It takes a very long time to produce them.

20.

The layers of the atmosphere play an important role in our atmosphere. What is the basis for the division of the layers surrounding Earth?

a)

a. Changing composition of gases.

b)

b. Changing amount of oxygen.

c)

c. Changing weather patterns.

d)

d. Changing temperature.

21.

You see pieces of cardboard, empty soft drink cans and broken wooden chair dumped in a vacant lot. What materials are being wasted in the dumpsite?

a)

a. Wood

b)

b. Metals

c)

c. Paper

d)

d. All of these

22.

Identify the picture shows a Renewable or Non-renewable energy resource.

a)

Renewable

b)

Non-renewable

23.

Identify the picture shows a Renewable or Non-renewable energy resource.

a)

Renewable

b)

Non-renewable

24.

refer to the map below.

Which of the following is the correct location of Dagupan, City?

a)

a. 16°N and 120°E

b)

a. 16°N and 120°E

c)

c. 16°S and 180° E

d)

d. 16°N and 180° W

25.

refer to the map below.

Which of the following is the correct location of Metro Manila?

a)

a. 14°N and 121°E

b)

b. 14°N and 121°W

c)

c. 14°N and 150°E

d)

d. 14°S and 121°E

26.

Stratosphere is about 10-30 km above the Earth’s surface. Which of the following correctly describes the stratosphere?

a)

a. It is an atmospheric ozone layer

b)

b. It has high concentration of ionized particles

c)

c. It is a layer important to telecommunications

d)

d. It is a layer extending to a height of about 8 km.

27.

Conserving natural resources can make them last and be available for future generations. Which of the following DOES NOT describe a wise conservation of energy?

a)

a. Dumping of bagasse and agricultural wastes into rivers

b)

b. Making windmills in areas with strong seasonal winds

c)

c. Using solar power cells to run electricity

d)

d. Constructing dams near waterfalls

28.

The Earth’s atmosphere allows sun rays to pass through and warms the Earth’s surface. How does energy from the Sun enter the atmosphere?

a)

a. The Sun’s energy enters anywhere in the space including Earth

b)

b. It reaches Earth and enters the atmosphere through radiation

c)

c. It enters the atmosphere by vibrating through air particles of the atmosphere

d)

d. The plants in the earth attract the Sun’s energy making it enter the Earth’s atmosphere

29.

The Philippines is considered rich in natural resources. What do you call a resource that people can use again and again but its supply can be replaced?

a)

a. Renewable

b)

b. Reliable

c)

c. Unlimited

d)

d. Recyclable

30.

The greenhouse effect is a natural phenomenon. Without a natural greenhouse effect, the temperature of the Earth would be about -18°C instead of 14°C at present. Why are scientists concerned about the greenhouse effect?

a)

a. The human population is increasing rapidly; more carbon dioxide will be released to the atmosphere.

b)

b. Human activities like burning of fossil fuels and deforestation enhance the greenhouse effect.

c)

c. Planting trees in wider areas is not possible, Earth has many desert areas.

d)

d. There is no technology that will keep the temperature of Earth constant.

31.

Wind is air that is moving horizontally. Which of the following statements account for the occurrence of land breeze, sea breeze and monsoons?

a)

a. I and III b. II and III c. I and II d. I,II and III

b)

a. I and III b. II and III c. I and II d. I,II and III

c)

a. I and III b. II and III c. I and II d. I,II and III

d)

a. I and III b. II and III c. I and II d. I,II and III

32.

The presence of waterfalls or springs on the sides of mountains reveals that lots of water is collected in the watershed. What waterfall serves as hydroelectric power in Iligan, Mindanao?

a)

a. Pagsanjan Falls

b)

b. Maria Cristina Falls

c)

c. Kawasan Falls

d)

d. Tinago Falls

33.

The presence of mineral deposits in the Philippines is not by accident. Is there a relationship between the presence of minerals in the Philippines with any geologic structure?

a)

a. No. There is no direct relationship between the presence of minerals in the Philippines with any geologic structure

b)

b. Yes. The presence of minerals in the Philippines indicates that the country is rich in resources.

c)

c. No. The presence of minerals in the Philippines has no connection with geologic structures.

d)

d. Yes. The presence of minerals in the Philippines indicates the presence of geologic structures like active faults and volcanoes.

34.

The Philippines shelter more diversity of life than any other country on the planet. Is there a relationship between our latitude position and high diversity of life forms in the country?

a)

a. Yes, the Philippines is surrounded with oceans and bodies of water

b)

b. No, the latitude position of the Philippines has no connection with high diversity of life forms in the country

c)

c. No, there is no relationship between our latitude position and diversity of life in the country

d)

d. Yes, the Philippines is near the equator where there is sunshine all year round and rainfall is abundant

35.

Many people who listen to weather forecasts are confused about the intertropical convergence zone. What is TRUE about Intertropical Convergence Zone?

a)

a. It occurs all year round

b)

b. It occurs in country near the equator

c)

c. It is characterized by hot and humid weather

d)

d. It is characterized by cold and humid and dry air

36.

While on the beach, a group of Grade 7 learners are studying local winds. Joseph, the leader of the group explains that the wind direction during the day is usually the reverse of the wind direction at night. Which of the following statements supports Joseph’s claim?

a)

a. Land heats up faster than water during the day and it also cools faster at night.

b)

b. The water remains at about the same temperature all throughout the day.

c)

c. This is usually an indication that an El Niño event is under way.

d)

d. There is more water in the sea than on land.

37.

We depend on energy for many of our daily activities. Which of the following statements shows conservation of energy?

a)

a. I only

b)

b. I,II

c)

c. I,II,III

d)

d. I,II,III and IV

38.

Which of the following statement is NOT TRUE about amihan and habagat?

a)

a. Amihan is known as the northeast monsoon

b)

b. Habagat is known as the southwest monsoon

c)

c. From October to March the habagat comes from the northeast and moves towards the south

d)

d. From October to March the amihan comes from the northeast and moves towards the south

39.

Navigators usually used the lines found on the map or globe to locate their destinations. To locate exact places on Earth, one must look at

a)

a. The lines of latitude only

b)

b. The lines of longitude

c)

c. A neighboring area to describe the location

d)

d. The intersecting lines of latitude and longitude

40.

Layer of the atmosphere where weather phenomena happen.

a)

a. Troposphere

b)

b. Exosphere

c)

c. Stratosphere

d)

d. Mesosphere

e)

e. Thermosphere

41.

Jet aircraft fly in this layer.

a)

a. Troposphere

b)

b. Exosphere

c)

c. Stratosphere

d)

d. Mesosphere

e)

e. Thermosphere

42.

The layer of the atmosphere where the satellites stationed.

27. Meteors burned in this layer.

28. Space shuttles fly in this area.

a)

a. Troposphere

b)

b. Exosphere

c)

c. Stratosphere

d)

d. Mesosphere

e)

e. Thermosphere

43.

Meteors burned in this layer.

28. Space shuttles fly in this area.

a)

a. Troposphere

b)

b. Exosphere

c)

c. Stratosphere

d)

d. Mesosphere

e)

e. Thermosphere

44.

Space shuttles fly in this area.

a)

a. Troposphere

b)

b. Exosphere

c)

c. Stratosphere

d)

d. Mesosphere

e)

e. Thermosphere

4th Periodic Science Grade 7

Total questions: 44

Worksheet time: 22mins

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