EARTH SCI RANDOMIZED SET
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 ?