Question 1

Plant serves as agents of weathering. Which of the following statements support this

idea.

Accepted Answer

Branches of plants cause the rocks to break when blown by the winds.

Answer

Root of plants that grow in rocks and cause them to break

Answer

Falling of leaves cause rocks to break.

Answer

Decaying trunks of plants cause the rocks to break

Question 2

The process involved in the breaking of rock boulders into pieces.

Accepted Answer

erosion

Answer

deposition

Answer

weathering

Answer

sedimentation

Question 3

Which of the following occurs when acidic water caused the rocks to break producing clay and soluble salts?

Accepted Answer

Carbonation

Answer

Erosion

Answer

Hydrolysis

Answer

Oxidation

Question 4

The following humana ctivities are caused of physical weathering, EXCEPT.

Accepted Answer

Acidic water in the river

Answer

Mining ores

Answer

Boating and fishing

Answer

Building roads and tunnels

Question 5

What physical characteristic of rock refers to the color of its powdery materials?

Accepted Answer

streak

Answer

malleability

Answer

luster

Answer

hardness

Question 6

If Usain Bolt finished a 200-meter race in 20 seconds,What was his speed?

Accepted Answer

10 meters/second

Answer

4000 meters/second

Answer

400 meters/second

Answer

0.01meters/second

Question 7

How can a biker cover a greater distance in a specified time?

Accepted Answer

Pedal faster to increase the speed of the bike.

Answer

Pedal faster to increase the time it will take to cover the distance.

Answer

Increase the distance it will cover in the same time allotment.

Answer

Pedal slowly to decrease the speed of the bike.

Question 8

What does a traffic sign of 60 km/h on a road mean?

Accepted Answer

The maximum speed a car may travel is 60 km/h.

Answer

The minimum speed a car may travel is 60km/h.

Answer

A car may travel more than 60 km/h when traffic is light.

Answer

A car is not allowed to have a speed of 60 km/h.

Question 9

Whyis speed of 10 km/h required at school zones?

Accepted Answer

To keep the children safe from vehicular accidents

Answer

To prevent damage to vehicles

Answer

To prevent vehicles from bumping one another.

Answer

To economize on fuel

Question 10

You should not turn on switch if your handsare wet because ________.

Accepted Answer

The wet hand may conduct electricity.

Answer

The switch will cut the electricity.

Answer

The switch will not move.

Answer

The water will destroy the switch.

Question 11

A jeepney travels 120 kilometers in 3 hrs. What is its average speed?

Accepted Answer

40 km/h

Answer

120 km/h

Answer

60 km/h

Answer

43 km/h

Question 12

When you throw a ball , it goes up , then goes down. Why?

Accepted Answer

Gravity pulls the ball down.

Answer

The speed of the ball is affected by air friction.

Answer

The force that moves t is strong.

Answer

Gravity does not act on the ball upon release.

Question 13

It refers to the highness and lowness of a sound.

Accepted Answer

Pitch

Answer

Loudness

Answer

Note

Answer

Quality

Question 14

It is the light that our eyes can see.

Accepted Answer

Visible

Answer

Microwave

Answer

Infrared

Answer

Radio

Question 15

The color that reflects all of the visible colors

Accepted Answer

Black

Answer

White

Answer

Red

Answer

Green

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