Which of the statements below does not explain the movements of the earth’s crust?Many years of stress on the rock may fracture the crust causing one portion to slide upward or downward with respect to the other.The mantle beneath the earth’s crust is made of plastic materials that have convection currents.Earthquakes that originate beneath the sea can produce tsunamis.The earth’s crust has cracked into huge plates which move slowly due t convection currents in the mantle.

Question 2Salt water has a density greater than that of pure water. What does this mean?

Saltwater has more volume than waterSalt water is lighter than waterSalt water is as heavy as waterSalt water is heavier than water

Question 3Gon wants to know which is stronger, Bisuke’s punch or Killua’s. Using the scientific method, how should Gon setup his controlled experiment?

All of the aboveLet Bisuke and Killua punch him then compare which is more painfulLet Bisuke and Killua punch the same object a number of times then compare the damage doneLet Bisuke and Killua fight till one of them wins.

Question 4Which layer of the atmosphere returns radio and TV broadcasts back to earth?

exospherestratospheremesosphereionosphere

Question 5What is the volume of an object when after dropping, 17.8 mL water in a graduated cylinder rises to 23.6 mL?

14.2 m L5.8 mL 23.6 mL17.8 mL

Question 6What type of heat transfer is responsible for the formation of sea breeze and land breeze?

radiationcondensationconvectionconduction

Question 7What absorbs a portion of the radiation from the sun, preventing it from reaching the earth’s surface?

FreonOzone CharonChloroflorocarbon

Question 8

At which point will the potential energy of the ball be the greatest?CDAB

Question 9What is the weight of an object due to gravity whose mass is 17.6 g?

17.6 N0.176 N 176 N1. 76 N

Question 10What do you call the earth’s hard outer shell?

Crust outer core inner coremantle

Question 11What type of clouds will be seen during a stormy day?

nimbuscirrusstratuscumulus

Question 12Erosion and deposition are responsible for the formation of the following landforms except

deltaflood plainlagoonmountain

Question 13Which of the following is not a greenhouse gas?

Nitrous OxideCFC’s Carbon DioxideMethane

Question 14The moon is said to light up the night skies. What gives the moon this ability to shine?

Radiation from the Sun that is absorbed by the moon.Radiation produced by the moon’s atmosphereThe luminous substance found on the moon’s surfaceThe sun’s reflection off the moon.

Question 15Food use Temperat

ureRoom lighting Exposure Amount of

moistureResult

Home made pandesal 37oC Dimly lighted Air High Plenty of moldsHome made pandesal 37oC Dimly lighted Air Low Tiny spots of moldsWhat is the independent variable in the setup?

exposure timeamount of moisturetype of breadtemperature

Question 16What is 30 oC in  oF?

58 F86 F30 F 102 F

Question 17On clear, calm evenings, temperature differences between a body of water and neighboring land produce a cool wind that blows offshore. This wind is called a

Evening breezeSea breezeLand breeze

Morning BreezeQuestion 18What is the equivalent value of the absolute zero temperature on the Celsius, and Kelvin Scale?

-273 celsius, and 0 kelvin273 celsius, and 0 kelvin0 celsius, and -600 kelvin0 celsius, and 273 K

Question 19Mt. Mayon which is built from alternate layers of lava and ash with many little craters on its slope is what kind of volcano?

Shieldcalderacindercomposite

Question 20Which star is the hottest star?

OrangeRedBlue Yellow

Question 21Food use Temperature Room

lightingExposure Amount of

moistureResult

Home made pandesal 37oC Dimly lighted Air High Plenty of moldsHome made pandesal 37oC Dimly lighted Air Low Tiny spots of moldsWhat conclusion can be deducted from the experiment?

Molds grow anywhereMolds are growing relative to temperature.Molds grow best in moist places.Molds like breads

Question 22What harmful gas is being released when engines burn fossil fuels?

SulfurCarbon MonoxideOxygennitrogen

Question 23A monkey weighing 500 newtons climbs a tree 10 meters high. How much work does the monkey do?

500 joules5000 joules1000 joules100 joules

Question 24Why is Venus the twin planet of the Earth?

Venus has almost the same size as the EarthVenus has the distance similar to earth from the sunLife is possible in VenusVenus has the same orbit as the Earth to the sun

Question 25Which planet is the smallest planet in the solar system?

PlutoMercuryNeptuneMars

Question 26For work to be done, what are the factors that must be present?

weight and forceforce and distanceforce and accelerationweight and distance

Question 27Mid ocean ridges are result of what plate activity?

Diverging plates Inverting platesConverging platesSpreading plates

Question 28150 mg is equal to __________.

1.50 g0.150g 15.0g0.015 g

Question 29

At which point will the kinetic energy of the ball the greatest?B

A

C

DQuestion 30What is not true about moon and tides?When sun, earth and moon are at right angles, the lowest tides occur on earthWhen the moon is close to earth, the lesser the effect of the gravitational pull.When the moon, sun and earth are in line, the highest tides occur on earthThere are two high tides at opposite sides of the earth and two low tides at the other