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When a campfire rock is split openthe inside has a smooth surface and the grains are tightly packed. Why?
Wiki User
∙ 7y ago
The high temperatures inside the rock cause the rock particles to melt and on cooling, they cement tightly together
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Does the size of salt affect how fast it dissolves in water?
Yes. Smaller salt grains will dissolve more quickly as they present a larger surface area-to-volume ratio.
How does water affect mass-wasting processes?
I believe It changes the affect on the earth's surface, for an example: Dry sand grains are bound mainly by friction with one another. Small amounts of water increase the cohesion among sand grains. Saturation reduces friction and causes the sand to flow.
Why do sugar crystal dissolve faster then sugar cubes?
A sugar cube would dissolve faster than a single sugar crystal of the same mass because it has a greater surface area (sugar cubes aren't solid; they're lots of little sugar crystals stuck together). The difference in speed between a sugar cube and normal (small) sugar crystals ought to be negligible with the crystals having perhaps a slight edge.
How many grains are in 3.5 grams?
3.5 grams = about 54.013 grains.
How many grams in 15 grains?
15 grains = about 0.971 grams.
What are interlocking grains?
interlocking grains fit tightly together to make hard rocks
What is made from tightly packed grains of sand?
sandstone
Does pollination occurs when pollen grains land on the sticky surface of the anther?
No, pollination occurs when pollen grains land on the sticky surface of the stigma.
What type of grains are formed when magma cools quickly at the surface of earth?
Small grains.
How are pollen grains adapted to help plant pollinations?
Some pollen grains have a spiky surface to help them sticky to the bodies of insects.
Why does the stigma have a sticky surface?
For pollen grains to stick onto during fertilization.
Why do larger sugar grains take longer to dissolve?
The speed of dissolution is directly proportional with the surface area of the material; small grains dissolve speedly.
What is the upper surface of groundwater?
The upper surface of groundwater is called the unsaturated zone. The unsaturated upper surface contains water, as well as spaces of air, particle grains and rocks.
Why do you think that is easier to dissolve powdered brown sugar tahn a big whole piece or chunk of brown sugar in water?
The finer the grains of sugar, the more surface area of individual grains is exposed to the heat. A solid lump of sugar has to melt from the surface into the centre - therefore, initially, has less surface exposed to the heat.
Why soil is a good filter?
Soil is a good filter because - the grains of sand, clay etc pack tightly together preventing everything but liquid reaching the roots of the plants.
What are facts about conglomerate?
conglomerate is made up of smaller rocks and grains. the way conglomerate is formed is when rocks and grains come together under the earths surface and gravity cements it together.
Why does Rock salt dissolves slower in water than grains of salt?
because it has less surface contact with water
