Question 1Tips1 ptsWeathering is the alteration and breakdown of rock minerals and rock masses when they are exposed to the atmosphereGroup of answer choicesTrueFalse Flag question: Question 2Question 2Tips1 ptsTwo types of weathering are physical and chemical change.Group of answer choicesTrueFalse Flag question: Question 3Question 3Tips1 ptsAn example of mechanical weathering is called frost action or frost shattering. Group of answer choicesTrueFalse Flag question: Question 4Question 4Tips1 ptsChemical weathering is the decomposition of rocks and minerals.Group of answer choicesTrueFalse Flag question: Question 5Question 5Tips1 ptsSome of the agents of weathering are water, ice, wind, plants, and animals.Group of answer choicesTrueFalse

Which of the following describes the chemical weathering of rocks

Question 1Tips1 ptsWhich weathering agent causes scratches on the rock’s surface as they walk?Group of answer choicesanimalswindplantswater Flag question: Question 2Question 2Tips1 ptsWhich tropical cyclone has maximum sustained winds of 88 kph?Group of answer choicestropical stormsuper typhoontyphoontropical depression Flag question: Question 3Question 3Tips1 ptsWhy does the appearance of the moon change? Group of answer choicesThe light reflected by the moon changesThe light coming from the sun changes.The shape of the moon changes.The size of the moon changes. Flag question: Question 4Question 4Tips1 ptsWhich is NOT an effect of soil erosion? Group of answer choicesimproved quality of soilchange in landformfloodingshortage of food Flag question: Question 5Question 5Tips1 ptsWhat do you call the process of breaking rock and boulders into pieces?Group of answer choicessedimentationdepositionerosionweathering Flag question: Question 6Question 6Tips1 ptsWhich of the following shows a superstitious belief unrelated to the moon?Group of answer choicesA person’s behavior changes unevenly during a full moon.Planting during a full moon may bring a bountiful harvest.Fishes are caught easily during low tide and high tide.People can use ocean water to predict weather. Flag question: Question 7Question 7Tips1 ptsYour family lives in a low-lying area. The typhoon signal was raised, and local government officials warned of the possibility of flooding. What is the best thing to do in this kind of situation?Group of answer choicesPrepare delicious food so you will not be hungry even if there is a flood.Stay outside so you will not be home in case of a flash flood.Stay indoors and wait for the flood to subside.Evacuate to the nearest evacuation center even before flooding. Flag question: Question 8Question 8Tips1 ptsWhat can you say about the daily weather conditions?Group of answer choicesWeather conditions will be the same for one week.Weather conditions do not change.Weather conditions are the same throughout the day.Weather conditions can change from time to time. Flag question: Question 9Question 9Tips1 ptsIn observing the lunar cycle, which phase presents the entire illuminated side of the moon to an observer on Earth?Group of answer choicescrescentgibbousfull moonnew moon Flag question: Question 10Question 10Tips1 ptsWhat is the main product of weathering?Group of answer choicesairsoilwaterrock Flag question: Question 11Question 11Tips1 ptsWhich of the following situations does NOT control soil erosion? Group of answer choicesbuilding terraces on slopes for plantinganimals dig the soil for homeleaves and mosses cover the forest floortrees serve as windbreaks Flag question: Question 12Question 12Tips1 ptsWhich phase of the moon is characterized by a gradual increase in its illuminated portion visible from Earth? Group of answer choiceswaxingfull moonnew moonwaning Flag question: Question 13Question 13Tips1 ptsWhich of the following statements is true? Group of answer choicesCold air rises forming a high-pressure area.Cold air sinks forming a high-pressure area.Warm air sinks forming a low-pressure area.Warm air rises forming a low-pressure area. Flag question: Question 14Question 14Tips1 ptsWhich of the following is NOT an effect of typhoons on living things?Group of answer choicesDisruption of food suppliesDisplacement of populationsDestruction of habitatsIncreased plant growth Flag question: Question 15Question 15Tips1 ptsWhich is the BEST thing to do after a tropical cyclone? Group of answer choicesStock enough food and water supply.Check the nearest evacuation area.Repair the damaged parts of your houseStay indoors and cancel any travel plans. Flag question: Question 16Question 16Tips1 ptsDuring the New Moon phase, why is the moon not visible from Earth?Group of answer choicesThe moon is hidden behind clouds in the Earth's atmosphere.The moon is too far from the Earth.The sun is blocking the moon completely.The side of the moon that is lit by the sun is facing away from the Earth. Flag question: Question 17Question 17Tips1 ptsWhich one inaccurately describes the Moon's characteristics or its effects.Group of answer choicesThe Moon's shape alters with each revolution around Earth.The Moon reflects sunlight.The phases of the Moon influence activities such as fishing.The Moon is Earth's only natural satellite. Flag question: Question 18Question 18Tips1 ptsWhat do you call the transportation of rocks and soil to another place?Group of answer choicesdepositionsedimentationweatheringerosion Flag question: Question 19Question 19Tips1 ptsWhy do the tides go up and down?Group of answer choicesThe moon's shape.What the moon's surface looks likeHow big the moon is.The pull from the moon Flag question: Question 20Question 20Tips1 ptsWhich of the following can be done to prevent soil erosion?crop rotationcontour farmingregular miningstrip cropping Group of answer choicesII, III, and IVI, II, and III bI, II, and IVI, III, and IV

Weathering is the breakdown of rocks and sediment. Erosion is the movement of rock and sediment. Which of the following is an example of weathering?Crumbling of a rockRolling of a rock downhill.

True or False: Chemical weathering involves a change in the composition of the rock.TrueFalse

Which of the following will tend to increase the rate of chemical weathering of minerals in a rock?Group of answer choicesDecrease in rainfallIncrease in temperatureAll answers are correctIncrease in freeze-thaw cycles