Question 1

It is the simplest substance that makes up matter.

Accepted Answer

Element

Answer

Compound

Answer

Mixture

Answer

Substance

Question 2

It consists of two or more elements chemically combined together.

Accepted Answer

Compound

Answer

Substance

Answer

Periodic table

Answer

Element

Question 3

It consists of two or more substances physically combined together.

Accepted Answer

Mixture

Answer

Element

Answer

Substance

Answer

Metalloid

Question 4

This type of element has the properties of both metals and non-metals.

Accepted Answer

Metalloid

Answer

Mixture

Answer

Element

Answer

Periodic Table

Question 5

It organizes elements into metals and non-metals

Accepted Answer

Periodic table

Answer

Almanac

Answer

Encyclopedia

Answer

Dictionary

Question 6

Choose the best method to separate the mixture:                                                          Ground tea leaves suspended in hot water.

Accepted Answer

Filtration

Answer

Evaporation

Answer

Distillation

Answer

Picking

Question 7

Choose the best method to separate the mixture:                                        Clear water from muddy water

Accepted Answer

Filtration

Answer

Evaporation

Answer

Picking

Answer

Sieving

Question 8

Choose the best method to separate the  mixture:                                                                                          Peppercorns mixed with peanuts

Accepted Answer

Picking

Answer

Evaporation

Answer

Sieving

Answer

Filtration

Question 9

Choose the best method to separate the mixture:                                   Potable water from seawater

Accepted Answer

Distillation

Answer

Evaporation

Answer

Filtration

Answer

Magnetic attraction

Question 10

Choose the best method to separate the mixture:                                        Clear water from a mixture containing insoluble solids

Accepted Answer

Distillation

Answer

Flotation in water

Answer

Evaporation

Answer

Filtration

Question 11

What are the basic actions of muscles to make all movements possible?

Accepted Answer

Contract and relax

Answer

Move up and down

Answer

Swell and shrink

Answer

Rotate clockwise and counter clockwise

Question 12

What happens to the lungs when the diaphragm contracts?

Accepted Answer

Expand

Answer

Contract

Answer

Shorten

Answer

Lengthen

Question 13

When bones and muscles cooperate, what they enable you to do?

Accepted Answer

Move

Answer

Expel waste

Answer

Clean blood

Answer

Digest food

Question 14

Your parents want to know the reason for your tummy ache. What type of doctor should you visit?

Accepted Answer

Pediatrician

Answer

Dentist

Answer

Psychiatrist

Answer

Dermatologist

Question 15

You noticed that Juana, your seatmate, is shivering. When you touched her forearm to ask if she’s fine, you noticed that her skin feels too warm. Her body temperature is 39˚C. Is this normal? Why do you say so?

Accepted Answer

No. She has a fever already.

Answer

Yes. There is nothing to worry about her condition.

Answer

No. Normal temperature is 30˚C

Answer

Yes. She can continue with her daily activities.

Question 16

Which is not a source of food for humans?

Accepted Answer

Pine

Answer

Oyster

Answer

Squash

Answer

Squid

Question 17

What is the process wherein the pollen goes to the stigma of another plant?

Accepted Answer

Cross-pollination

Answer

Fertilization

Answer

Cross fertilization

Answer

Self-pollination

Question 18

A stem was cut, and then it was planted to produce a new plant. What is this method of artificial vegetative reproduction called?

Accepted Answer

Cutting

Answer

Grafting

Answer

Marcotting

Answer

Budding

Question 19

What will help endangered species increase their numbers again?

Accepted Answer

Do not disturb the habitats of living things.

Answer

Make living things extinct.

Answer

Cut trees to create chairs and tables.

Answer

Follow only the laws of the government that you like.

Question 20

What are invasive species?

Accepted Answer

Immediately kills other organisms

Answer

Organisms originally part of the environment

Answer

Origin of the species is unknown

Answer

Introduced organisms to an ecosystem

Question 21

What does the tropical rainforest do with environmental temperature?

Accepted Answer

Supports irregularities in the temperature

Answer

Ensures an increase in the temperature

Answer

Prevents release of oxygen

Answer

Allows cooling

Question 22

How do forests help in providing fresh air to animals?

Accepted Answer

Give off oxygen

Answer

Limit movement

Answer

Support staying in one place

Answer

Create carbon dioxide

Question 23

Which does not describe both coral reef and the mangrove forest?

Accepted Answer

Where many animals and plants live

Answer

Located near the coastal area

Answer

Contain a lot of bakawan trees

Answer

Teems with life

Question 24

Where do coral reefs come from?

Accepted Answer

Remains of once-living corals

Answer

Feces and fishes living near the shore

Answer

Mixture of sand and water

Answer

Wastes from snorkeling

Question 25

Mangrove forests serve as fish nurseries. What does this mean?

Accepted Answer

Fishes lay eggs in mangrove forests where their hatchlings live.

Answer

Fishes eat the mangrove stems for food.

Answer

Coral reefs are far from mangrove forests.

Answer

Fish eggs are eaten by the roots of the mangrove trees.

Question 26

Marlon finds it difficult to move a rolling cabinet across the floor. What advice would you give him?

Accepted Answer

Lubricate the wheels of the cabinet

Answer

Paint the cabinet with a lighter color.

Answer

Add more items to the cabinet.

Answer

Push the cabinet sideways.

Question 27

Elena is trying to move a big cabinet across the floor. The coefficient of static friction on the floor is 0.5. If the normal force exerted by the cabinet on the floor is 10 N, what is the amount of frictional force?

Accepted Answer

5 N

Answer

8 N

Answer

7 N

Answer

6 N

Question 28

Which of the following is the same as 100 km/h?

Accepted Answer

1000 m/h

Answer

1,500 m/h

Answer

150,000 m/h

Answer

100,000 m/h

Question 29

Which of the following is the same as 50 m/s?

Accepted Answer

3 km/min

Answer

2 km/min

Answer

4 km/min

Answer

1 km/min

Question 30

How many meters are there in 55 kilometers?

Accepted Answer

55, 000 m

Answer

5.5 m

Answer

5,500 m

Answer

550 m

Question 31

Which of the following shows kinetic friction?

Accepted Answer

Child biking

Answer

Child sleeping on a crib

Answer

Building at the corner

Answer

Vase on a table

Question 32

Which of the following shows static friction?

Accepted Answer

Cabinet placed in the corner of a room

Answer

Child running

Answer

Car being driven on a highway

Answer

Boy walking down the street

Question 33

Find the frictional force between two steel surfaces when the normal force is 10 N. (Hint: The coefficient of friction is 0.57)

Accepted Answer

5.7 N

Answer

4 N

Answer

6.3 N

Answer

4.5 N

Question 34

Which of the following is the best way to prevent road accidents?

Accepted Answer

Follow road signs always.

Answer

Leave children on the street to play.

Answer

Turn left when the stop light turns red

Answer

Always cross alone and without looking to the left and to the right.

Question 35

The Metro Rail Transit leaves Taft station at 7:00 am and reaches North Avenue Station at 7:45 am. The distance between these two stations is 17.4 km. Find the speed of the train in km/min.

Accepted Answer

0.39 km.min

Answer

0.42 km/min

Answer

0.40 km/min

Answer

0.41 km/min

Question 36

What do you call the shaking of the ground caused by the sudden release of energy that is stored in rocks?

Accepted Answer

Earthquake

Answer

Landslide

Answer

Tsunami

Answer

Typhoon

Question 37

What are the two types of earthquakes?

Accepted Answer

Tectonic and Volcanic

Answer

Tectonic and Tsunami

Answer

Volcanic and Landslide

Answer

Landslide and Tsunami

Question 38

What do you call the earthquake that is caused by the movement of Earth’s crust?

Accepted Answer

Tectonic

Answer

Volcanic

Answer

Tsunami

Answer

Landslide

Question 39

What do you call an opening in Earth’s surface through which lava, ash, and gas are ejected?

Accepted Answer

Volcano

Answer

Geyser

Answer

Spring

Answer

Gave

Question 40

What do you call the people who study seismic waves to determine the epicenter of an earthquake?

Accepted Answer

Seismologists

Answer

Astronomers

Answer

Biologists

Answer

Geologists

Question 41

It has two pronounced seasons- dry and rainy.

Accepted Answer

Type 1

Answer

Type 2

Answer

Type 3

Answer

Type 4

Question 42

It has no pronounced maximum rainy period.

Accepted Answer

Type 3

Answer

Type 2

Answer

Type 1

Answer

Type 4

Question 43

It has even distribution of rainfall throughout the year.

Accepted Answer

Type 2

Answer

Type 3

Answer

Type 1

Answer

Type 4

Question 44

Dry seasons is from November to April.

Accepted Answer

Type 1

Answer

Type 3

Answer

Type 4

Answer

Type 2

Question 45

It is the maximum rain period from December to February.

Accepted Answer

Type 1

Answer

Type 3

Answer

Type 2

Answer

Type 4

Question 46

Mars is also called the______________.

Accepted Answer

Red planet

Answer

White planet

Answer

Green planet

Answer

Blue planet

Question 47

The only planet in our Solar System that can support life is the ______________.

Accepted Answer

Earth

Answer

Mercury

Answer

Venus

Answer

Neptune

Question 48

The atmosphere of Venus is mostly made up of ________________.

Accepted Answer

Carbon dioxide

Answer

Oxygen

Answer

Nitrogen

Answer

Ammonia

Question 49

The planet nearest to the Sun is ___________________.

Accepted Answer

Mercury

Answer

Venus

Answer

Earth

Answer

Mars

Question 50

Neptune is known as the giant ___________________.

Accepted Answer

Blue planet

Answer

Red planet

Answer

Green planet

Answer

Pink planet

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