It is easy for fish to move in the sea because the way they are made and because they have gills and fins which makes it easier to swim and drift in the water. Boats are also made in a way that they can float and swim in the sea. Some boats like sailing boats often have sails which makes them easy to move easily in the sea and also they are made to swim on the ocean or sea.
Fishes can move/drift through the water since they have fins and gills ect. water resistance makes us go up but we can't walk on the water since gravity and water resistance combines. Boats boost on water because they have motors to boost them.
For fish to move through water efficiently, they need to have certain adaptations which either allow them to push against it forcefully or limit the resistance of the water they are moving through. By this, they use fins and gills which let them move and breathe in water.In my opinion, I don`t think sails help boats walk in water but only make them move in water as wind approaches.
Fish find it easier to move in the water as fish have fins and gills to help them and they can breathe underwater so they dont need to keep coming back up to get air like us. And Boats are made in a way that they are ment to float on top of the water like sailing boats but submarines are ment to sink or go underwater.
There is friction between the water and fish which slows them down when swimming. This is called water resistance. To enable them to move easily in water, fish have bodies that are streamlined and adapted to their environment. Their bodies are covered with tiny, smooth scales with a slimy coating that reduces friction. Their fins are thin and sharp which reduce friction and produce little resistance to the water, allowing them to propel through water. Some fish have slim bullet shaped bodies that can cut through water with little resistance. Fish also have a swim bladder, which is a chamber filled with air, that allows the fish to remain at the same level in water using little energy.
Like fish, as a boat moves through the water it experiences water resistance. Large Boats are streamlined and have a propeller to enable it to move through water with little resistance. Oars and sails are used to propel smaller boats through the water.
Fish's can swim in the water because one they have a fin which are used as planers when extended, enabling them to dive or climb. Also it is used for tuning left and right and for backup. Secondly, they have gills which is used to take oxygen out of the water to let water carry away carbon dioxide. Lastly, they have a tail which is used for swimming.Boats can also swim because the wind uses the force to push the boat.
It's easy for boat's to glide through water because of it's shape, this enables the boat to glide through the water with ease. Compared to when humans swim, the water fights back. On the other hand, fishes are like boats but different. Fishes swim by flexing their bodies & their tail back and forth. Fish stretch or expand their muscles on one side of their body, while relaxing the other on the other side ready for the next time the muscles are in use. They basically move through the water easily because they expand their muscles to go right through water, so you could say when you put your hand outside the window and air goes round it, fish go through and water goes round them, kinda.
Fish can swim easily because their fins they take them back forth, some fish have a swim bladder in their body to help them stay in the correct depth. The other way that they swim they move it in a wave motion which helps them alot.
Fishes can move easily in water because they were made with fins and gills. As we don't have fins and gills the water pushes us back.Boats are used for traveling on water instead of just swimming. They float on water because of the gravity and water resistances.So the force is lesser than the force under the water.
Fish can swim easily in the water because they have gills and fins witch help them to swim/glide in the water the pressure it puts on humans to walk in water is called water resistance . Fish are shaped a special way so that no pressure is put on them to swim like boats are shaped special ways so it is not hard to sail.that is why fish and boats can move so easily in the water.
E.G if there was a strong wind and there was someone in front of you you would not get hit by the wind it goes around you so the fish and boats have no force put on them. Alesha
Fish find it easier to move in the water as fish have fins and gills to help them and they can breathe underwater so they don't need to Boats are also made in a way that they can float and swim in the sea.keep coming back up to get air.Fish also have a swim bladder, which is a chamber filled of air.They have a tail which is used for swimming.Boats can also swim because the wind uses the force to push the boat.
first it has a stream lined body and this will make the water go around the fish also a fish swims by flexing there bodies, the fish will expand there muscles on one side of the body and relax them on the other side making a motion to make them move forward. fish use one of there fins to help them push them forward this fin is called the caudal fin the others are for steering the ones for steering are called the pectoral, pelvic, dorsal and anal. They also have gills so the oxygen in the water is took in by them and the carbon is took by the water and they don't have to go to the surface like some wales.
Fish are able to move in water easily as they have fins. Fins are well muscled so their kick would be stronger than humans and they would be able to hold the glide longer. They also have a streamlined body so they cut through the water easily. Their gills help them to swim as they don’t have to keep coming up out of the water to breathe. Fish also have a thinner body so that the water dose not hit their faces but go round them. Another advantage for fish is that they don’t have hair this helps them swim as it makes them as streamlined as possible.
It harder for humans beauses they have feet but fish and boast don't. And fish breath under water but for boat the stay on top of water beause gravity doesn't pull it down.
Rich Romans liked to be warm and cosy during cold days. That is why they invented central heating. They had it everywhere, in homes, in villas and even in public baths. The heating system was kept going by slaves who kept a fire blazing in a fireplace to heat the air. The warm air spread around the building through spaces under the floors and between the walls. The space under the floors was created by raising the floorboards on top of piles of stones. The Roman heating system was called a Hypocaust. This is an important invention because if they had not invented it we would be shivering and cold during the winters. I think it is the greatest invention because if we did not have it we would probably freeze to death.
It is easy for fish to move in the sea because the way they are made and because they have gills and fins which makes it easier to swim and drift in the water.
ReplyDeleteBoats are also made in a way that they can float and swim in the sea.
Some boats like sailing boats often have sails which makes them easy to move easily in the sea and also they are made to swim on the ocean or sea.
KAVIN
Kavin, excellent answer, could you consider the term water resistance in your answer?
DeleteFishes can move/drift through the water since they have fins and gills ect. water resistance makes us go up but we can't walk on the water since gravity and water resistance combines.
ReplyDeleteBoats boost on water because they have motors to boost them.
For fish to move through water efficiently, they need to have certain adaptations which either allow them to push against it forcefully or limit the resistance of the water they are moving through. By this, they use fins and gills which let them move and breathe in water.In my opinion, I don`t think sails help boats walk in water but only make them move in water as wind approaches.
ReplyDeleteBy Methmi
Fish find it easier to move in the water as fish have fins and gills to help them and they can breathe underwater so they dont need to keep coming back up to get air like us. And Boats are made in a way that they are ment to float on top of the water like sailing boats but submarines are ment to sink or go underwater.
ReplyDeleteBy: Arya
There is friction between the water and fish which slows them down when swimming. This is called water resistance. To enable them to move easily in water, fish have bodies that are streamlined and adapted to their environment. Their bodies are covered with tiny, smooth scales with a slimy coating that reduces friction. Their fins are thin and sharp which reduce friction and produce little resistance to the water, allowing them to propel through water. Some fish have slim bullet shaped bodies that can cut through water with little resistance. Fish also have a swim bladder, which is a chamber filled with air, that allows the fish to remain at the same level in water using little energy.
ReplyDeleteLike fish, as a boat moves through the water it experiences water resistance. Large Boats are streamlined and have a propeller to enable it to move through water with little resistance. Oars and sails are used to propel smaller boats through the water.
ARNAV
Fish's can swim in the water because one they have a fin which are used as planers when extended, enabling them to dive or climb. Also it is used for tuning left and right and for backup. Secondly, they have gills which is used to take oxygen out of the water to let water carry away carbon dioxide. Lastly, they have a tail which is used for swimming.Boats can also swim because the wind uses the force to push the boat.
ReplyDeleteBy
Kristen
It's easy for boat's to glide through water because of it's shape, this enables the boat to glide through the water with ease. Compared to when humans swim, the water fights back. On the other hand, fishes are like boats but different. Fishes swim by flexing their bodies & their tail back and forth. Fish stretch or expand their muscles on one side of their body, while relaxing the other on the other side ready for the next time the muscles are in use. They basically move through the water easily because they expand their muscles to go right through water, so you could say when you put your hand outside the window and air goes round it, fish go through and water goes round them, kinda.
ReplyDeleteLea.
Fish can swim easily because their fins they take them back forth, some fish have a swim bladder in their body to help them stay in the correct depth. The other way that they swim
ReplyDeletethey move it in a wave motion which helps them alot.
mal
Fishes can move easily in water because they were made with fins and gills. As we don't have fins and gills the water pushes us back.Boats are used for traveling on water instead of just swimming. They float on water because of the gravity and water resistances.So the force is lesser than the force under the water.
ReplyDeleteAisha
Fish can swim easily in the water because they have gills and fins witch help them to swim/glide in the water the pressure it puts on humans to walk in water is called water resistance . Fish are shaped a special way so that no pressure is put on them to swim like boats are shaped special ways so it is not hard to sail.that is why fish and boats can move so easily in the water.
ReplyDeleteE.G if there was a strong wind and there was someone in front of you you would not get hit by the wind it goes around you so the fish and boats have no force put on them.
Alesha
Fish find it easier to move in the water as fish have fins and gills to help them and they can breathe underwater so they don't need to Boats are also made in a way that they can float and swim in the sea.keep coming back up to get air.Fish also have a swim bladder, which is a chamber filled of air.They have a tail which is used for swimming.Boats can also swim because the wind uses the force to push the boat.
ReplyDeletefirst it has a stream lined body and this will make the water go around the fish also a fish swims by flexing there bodies, the fish will expand there muscles on one side of the body and relax them on the other side making a motion to make them move forward.
ReplyDeletefish use one of there fins to help them push them forward this fin is called the caudal fin the others are for steering the ones for steering are called the pectoral, pelvic, dorsal and anal. They also have gills so the oxygen in the water is took in by them and the carbon is took by the water and they don't have to go to the surface like some wales.
by fahad
Fish are able to move in water easily as they have fins. Fins are well muscled so their kick would be stronger than humans and they would be able to hold the glide longer. They also have a streamlined body so they cut through the water easily. Their gills help them to swim as they don’t have to keep coming up out of the water to breathe. Fish also have a thinner body so that the water dose not hit their faces but go round them. Another advantage for fish is that they don’t have hair this helps them swim as it makes them as streamlined as possible.
ReplyDeleteBy Eva
It harder for humans beauses they have feet but fish and boast don't. And fish breath under water but for boat the stay on top of water beause gravity doesn't pull it down.
ReplyDeleteBy Mushtaq
Hypocausts
ReplyDeleteRich Romans liked to be warm and cosy during cold days. That is why they invented central heating. They had it everywhere, in homes, in villas and even in public baths. The heating system was kept going by slaves who kept a fire blazing in a fireplace to heat the air. The warm air spread around the building through spaces under the floors and between the walls. The space under the floors was created by raising the floorboards on top of piles of stones. The Roman heating system was called a Hypocaust. This is an important invention because if they had not invented it we would be shivering and cold during the winters. I think it is the greatest invention because if we did not have it we would probably freeze to death.
By Eva