Quick Revision: Food- Our Basic Need Video Lecture | Science Olympiad Class 4

0:0:0: Hello friends today we're going to talk
0:0:3: about something super important food did
0:0:7: you know food is not just something
0:0:8: yummy to fill our tummies but it's our
0:0:11: basic need to stay healthy and strong
0:0:14: that's right let's dive into why we need
0:0:17: to eat healthy food first up let's talk
0:0:21: about what's inside our food our food is
0:0:24: packed with something called
0:0:26: nutrients nutrients are the substances
0:0:29: needed by our body to grow remain
0:0:31: healthy and also to fight
0:0:33: diseases so whenever we eat we're not
0:0:36: just eating to stop our stomachs from
0:0:39: growling but we are also eating to give
0:0:41: our body these helpful
0:0:43: nutrients food e By Us is used by our
0:0:46: body for the following purposes to give
0:0:49: us energy to do work to protect us from
0:0:53: diseases to build and repair the parts
0:0:55: of our body that have been damaged for
0:0:59: growth
0:1:2: why is eating healthy food
0:1:4: important now you might wonder why is it
0:1:7: so important to eat healthy food well
0:1:11: our body is like a super busy City that
0:1:13: needs different things to keep it
0:1:15: running
0:1:16: smoothly there are five different
0:1:18: nutrients that our body needs and each
0:1:20: one has its own special job there are
0:1:24: carbohydrates minerals vitamins proteins
0:1:27: and fats we need to eat a variety of
0:1:30: foods to make sure we get all of these
0:1:38: nutrients let's start with
0:1:40: carbohydrates they are like the fuel for
0:1:43: our body our body needs energy to work
0:1:46: play and do other
0:1:48: activities carbohydrates are
0:1:50: energy-giving
0:1:52: nutrients starch and sugar are the two
0:1:54: types of carbohydrates consumed by US
0:1:58: Foods like potatoes rice wheat and corn
0:2:1: are rich in starch and give us a lot of
0:2:4: energy next up we have
0:2:7: proteins think of proteins as the
0:2:9: Builders of our body proteins help to
0:2:12: build maintain and repair the tissues in
0:2:15: our body they are also known as
0:2:18: bodybuilding Foods in children the
0:2:21: growth of cells is more compared to the
0:2:24: adults therefore growing children should
0:2:26: consume more protein than
0:2:28: adults foods like meat fish eggs milk
0:2:32: and nuts are great sources of
0:2:35: protein now let's talk about
0:2:37: fats fats give us a lot of energy even
0:2:41: more than
0:2:42: carbohydrates they act as the body's
0:2:44: Reserve Bank of energy they protect
0:2:48: vital organs by providing cushioning
0:2:51: fats also help to keep the body warm
0:2:53: during very cold weather they are
0:2:56: essential for healthy skin and hair
0:2:59: foods like like butter ghee oils nuts
0:3:2: and cheese are where we can find fats
0:3:5: moving on to vitamins and minerals these
0:3:8: are our body's
0:3:10: protectors they keep our bones strong
0:3:12: help us heal when we get hurt and make
0:3:15: sure our body can fight off germs each
0:3:18: vitamin and mineral has a special role
0:3:22: for example vitamin D is important for
0:3:25: strong bones and vitamin C helps heal
0:3:28: cuts we can find find these in green
0:3:30: leafy vegetables fruits milk and fish
0:3:34: all this talk about nutrients brings us
0:3:37: to an important point a balanced diet a
0:3:40: diet that has all the nutrients in right
0:3:42: Amounts is called a balanced diet in a
0:3:45: balanced diet we have three main food
0:3:49: groups first we have energy-giving foods
0:3:52: like carbohydrates and
0:3:54: fats then there are bodybuilding foods
0:3:57: which are our
0:3:58: proteins and lastly we have protective
0:4:1: foods which are our vitamins and
0:4:4: minerals it's important to have a bit of
0:4:6: each group to keep our body in tip toop
0:4:9: shape did you know that cooking food is
0:4:12: not just about making it tasty but also
0:4:14: about making it safe and easy to eat
0:4:17: cooking kills germs that might be in our
0:4:19: food but guess what overcooking can
0:4:23: destroy some of the good stuff in our
0:4:25: food like
0:4:26: nutrients so it's like a balancing act
0:4:29: to cook food just right there are so
0:4:32: many ways to cook food we can boil steam
0:4:36: fry roast and even bake each way of
0:4:40: cooking makes our food taste different
0:4:42: and yummy it's fun to try different
0:4:45: methods and see which one you like best
0:4:48: last but not least let's talk about
0:4:51: keeping food fresh food preservation is
0:4:54: like a magic trick to keep food good to
0:4:56: eat for a longer time this way we can
0:5:0: enjoy our favorite foods even when
0:5:2: they're not in season methods of food
0:5:6: preservation there are a few tricks to
0:5:8: keep food fresh like Refrigeration
0:5:11: pickling drying and canning each method
0:5:14: helps in its own way to keep food tasty
0:5:17: and safe to eat for days weeks or even
0:5:20: months and that's a wrap friends we've
0:5:24: learned so much about food nutrients and
0:5:27: how to keep our bodies healthy and happy
0:5:30: remember eating a variety of foods and
0:5:33: keeping them fresh are key to being
0:5:35: strong and
0:5:37: energetic we hope that you have
0:5:39: understood the topic you can now study
0:5:42: chapter notes watch video lectures and
0:5:45: solve McQ tests of this chapter on urff
0:5:48: to ensure you score well in your school
0:5:50: exams and that's not all you also get
0:5:54: amazing courses for maths science
0:5:56: English Hindi and much more for class 4
0:6:0: thank you