1.
What are rocks made up of?
Correct Answer
B. Minerals
Explanation
Rock is a hard, solid material that makes up part of Earth. In many places, the rock is covered by a layer of soil in which plants or trees may grow. Soil is made up of tiny bits of rocks mixed with materials from dead plants and animals. Rock also lies under the oceans. Most rocks are made up of one or more minerals.
2.
Which of the following is NOT a type of rock?
Correct Answer
C. Metatonic
Explanation
The three main kinds of rocks are igneous rocks, sedimentary rocks, and metamorphic rocks.
3.
Before igneous rock, it starts out as melted rock called ___________.
Correct Answer
B. Magma
Explanation
Igneous rocks start out as melted rock, called magma, deep within Earth. Earthquakes and other movements of Earth's crust sometimes force the magma to the surface. Igneous rocks form when the magma cools and hardens.
4.
Metals, such as aluminum or lead, come from rocks called _____.
Correct Answer
A. Ores
Explanation
Metals such as aluminum, iron, lead, and tin come from rocks called ores . Ore may lie close to Earth's surface or deep underground.
5.
What type of stone is gotten from quarrying?
Correct Answer
B. Dimension stone
Explanation
Quarrying is a way of mining a substance that lies at Earth's surface. This method is used to dig out large blocks of stone called dimension stone.
6.
Which country can the Zuma Rock be found in?
Correct Answer
A. Nigeria
Explanation
Zuma Rock is a huge rock formation in central Nigeria. It is northwest of Abuja, Nigeria’s capital. Zuma Rock rises sharply 2,379 feet (725 meters) above the surrounding savanna (grasslands with scattered trees). Zuma Rock is a symbol of Nigeria and a popular tourist destination.
7.
Which type of scientists study rocks?
Correct Answer
C. Geologist
Explanation
Rocks also provide information about Earth and its history. Scientists called geologists learn the history of Earth by studying rocks. They figure out where to find oil by studying rock layers
8.
Uluru, the world's largest single stone, is located on which continent?
Correct Answer
C. Australia
Explanation
Uluru is a huge rock shaped something like a loaf of bread. It is the world's largest single stone. It rises 1,100 feet (335 meters) above a desert in the middle of Australia. Uluru measures 5 miles (8 kilometers) all the way around. It is made of a type of rock called red sandstone.
9.
Which rock is chalk made from?
Correct Answer
A. Limestone
Explanation
Chalk is a soft, white rock. It formed as mud on the bottom of an ocean that has disappeared. Chalk is a rock called limestone. Unlike other kinds of limestone, chalk did not harden as it formed.
10.
What type of rock is Plymouth Rock made from?
Correct Answer
C. Granite
Explanation
Plymouth Rock is a granite rock with the date 1620 carved on it. A group of Pilgrim explorers came ashore from their ship, the Mayflower, in December 1620. A story tells that they stepped onto the rock when they landed.