6. What are magnets? Differentiate between natural and man-made magnets.
Magnets are substances that attract iron and objects made of cobalt and nickel.
Difference:
Natural Magnets – Found in nature, e.g., Magnetite.
Man-made Magnets – Made by humans using iron, nickel, or cobalt, available in different shapes and sizes.
Class 5 Rocks and Minerals Extra Short Q&A
Name one rock that can float on water.
Pumice
Which rock is used to make statues and flooring?
Marble
Which rock is formed from sand particles?
Sandstone
Name one mineral used as a gemstone.
Diamond or Ruby
What is the molten rock called when it flows on Earth’s surface?
Lava
Give one use of coal.
Used for cooking, heating, or producing electricity.
Which rock is formed by the cooling of lava and is very hard?
Granite
Name one metallic mineral.
Magnetite or Bauxite
Which rock is formed from the sedimentary rock shale?
Slate
What is used to make cement?
Limestone and Shale
Class 5 Rocks and Minerals Extra Fill in the Blanks
- Rocks are made up of substances called __________. (minerals)
- The molten rock inside the Earth is called __________. (magma)
- __________ rocks are formed by the cooling of lava or magma. (Igneous)
- Sedimentary rocks are always formed in __________. (layers)
- Rocks that undergo changes due to heat and pressure are called __________ rocks. (metamorphic)
- The molten rock that flows out of a volcano is called __________. (lava)
- __________ is a soft rock formed from sand particles. (Sandstone)
- __________ is a very hard rock used in glass and ceramic industries. (Quartzite)
- __________ is a mineral rich in aluminium. (Bauxite)
- Attractive minerals like diamond and ruby are called __________. (gemstones)
- __________ is a fossil fuel formed from dead plant matter. (Coal)
- __________ and cobalt are used to make magnets. (Iron)
- The Earth’s surface is called the __________. (crust)
- Almost 95% of the Earth’s crust is made up of __________ rocks. (igneous)
- __________ is a black, glassy igneous rock used to make ornaments. (Obsidian)
- __________ is formed from limestone and is used to make statues. (Marble)
- __________ is formed from granite and has a striped look. (Gneiss)
- __________ is a rock full of air holes and can float on water. (Pumice)
- __________ is used in making bricks and comes apart in thin layers. (Shale)
- __________ is rich in calcium and is used in cement and whitewash. (Limestone)
- The process of rock particles getting deposited and pressed down forms __________ rocks. (sedimentary)
- The poles of a magnet are called __________ and __________. (North, South)
- Minerals like phosphates and nitrates are used as __________. (fertilizers)
- The sedimentary rock that has rounded stones cemented together is called __________. (Conglomerate)
- __________ is the process responsible for the formation of metamorphic rocks. (Heat and pressure)
- The __________ is the hottest layer of the Earth. (core)
