EARTH SCI RANDOMIZED SET

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EDWIN HUBBLE

An American Astronomer noticed that other galaxies from each other as seen on Earth .

MANTLE

It consists of hot dense iron and magnesium - solid rock .

The water or hydrologic cycle

It describes the continuous movement of water on Earth .

D. Bennu

It is an asteroid that exists and is still moving in the orbit of the earth

STREAK

It is the color of a mineral in powdered form

ANGULAR MOMENTUM

It is the quantity of rotation of a body which is the product of its moment of inertia and its angular velocity .

size of crystals formed

What is affected by the rate of cooling of magma ?

Troposphere Stratosphere Mesosphere Thermosphere Exosphere

What is the correct order of Earth's atmospheric layers from bottom to top ?

convert the mechanical kinetic energy of the rotor to electrical energy

What is the main purpose of generators in the different power plants ?

sun

What is the most important and original source of most of the energy found on earth ?

UNDERGROUND MINING

What method of mining involves digging tunnels to extract the ore deposits ?

TALC

What mineral is used as an additive for different cosmetic materials like face powder ?

COAL

What organic minerals are used as a source of energy by some power plants in the Philippines ?

0.4 %

What percentage of freshwater is easily accessible for use by humans ?

Geosphere and Atmosphere

When a volcano erupts and releases gas into the air , which two spheres are interacting ?

fossil fuels

Which Energy Resources are Derived from natural organic materials

D. Slate

Which among the rocks does NOT belong to the same group ? A. Limestone B. Sandstone C. Shale D. Slate

is used to extract ore minerals near the surface of the earth .

Which is true about surface mining

D. Weathering and Erosion

Which of the following can change rocks into sediments ?

Penstock

Which of the following components of a hydropower plant supplies the dam reservoir and may be an open channel , tunnel or pipeline ?

FRESHWATER

Which of the following contains low concentrations of salt and comprises 2.5 % of the water on Earth ?

C. 2 3 and 4

Which of the following is a mineral ore 1. a rock with fossilized insects 2. a rock combined with copper 3. sediment that has gold traces 4.a rock that contains valuable mineral

EARTH

Which of the following is the densest planet in the solar system ?

Millions of years ago the remains of prehistoric plants and animals were buried at the bottom of the Earth

Which of the following is the first event in fossil fuel formation

Lime

Which of the following mineral can reduce soil's acidity ?

can be formed from an existing rock

Which of the following statements is not true about igneous rocks ?


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