Changes

*[[Energy in Food|Energy]]

| style="height:20px; width:200px; text-align:center;" |Meat provides lots of protein for a '''balanced diet'''.| style="height:20px; width:200px; text-align:center;" |You can help keep your diet '''balanced''' by eating lots of different beans.

| style="height:20px; width:200px; text-align:center;" |Nuts are the seeds of trees and are part of a '''balanced diet'''.| style="height:20px; width:200px; text-align:center;" |There are many different kinds of peas that can help make sure you have a '''balanced diet'''.

| style="height:20px; width:200px; text-align:center;" |Fruit are very sweet and 2 - 5 portions of them everyday help make a '''balanced diet'''.| style="height:20px; width:200px; text-align:center;" |You should eat 3 to 5 portions of vegetables everyday to get the vitamins you need in a '''balanced diet'''.| style="height:20px; width:200px; text-align:center;" |Breakfast cereal has added vitamins in them to help make a '''balanced diet''' because some people are too fussy to eat enough vegetables.

| style="height:20px; width:200px; text-align:center;" |Bread makes part of a '''balanced diet''' because it has a lot of stored energy we can use.| style="height:20px; width:200px; text-align:center;" |A '''balanced diet''' might contain pasta for energy.

| style="height:20px; width:200px; text-align:center;" |Potatoes are an excellent source of energy in a '''balanced diet'''.| style="height:20px; width:200px; text-align:center;" |Rice is a very important part of many people's '''balanced diet'''.

Having a '''balanced diet''' means eating different foods to make sure an animal gets you get enough protein, vitamins and energy.

: Different animals [[animal]]s need different diets[[diet]]s, but they all need the right '''balance ''' of different nutrients.: If a [[diet ]] is not '''balanced ''' it can cause an [[animal ]] to become ill, or not to grow properly.: 100 years ago humans [[human]]s were shorter because most people didn't have a '''balanced diet'''. ===Diet and Health==={| class="wikitable"|-| style="height:20px; width:150px; text-align:center;" |'''Starvation'''| style="height:20px; width:150px; text-align:center;" |'''Obesity'''| style="height:20px; width:150px; text-align:center;" |'''Scurvy'''| style="height:20px; width:150px; text-align:center;" |'''Kwashiorkor'''|-|[[File:Starvation.png|center|150px]]|[[File:Obesity.png|center|150px]]|[[File:Scurvy.png|center|150px]]|[[File:Kwashiorkor.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Not enough food, especially foods with a lot of energy, causes you to become too thin.| style="height:20px; width:150px; text-align:center;" |Too much food, especially foods with a lot of energy, causes you to gain weight and increases the risk of heart attack.| style="height:20px; width:150px; text-align:center;" |Not enough Vitamin C causes your wounds to stop healing, sores to appear on the tongue and skin and teeth to fall out.| style="height:20px; width:150px; text-align:center;" |Not enough protein causes your organs to swell.|} ==Key Stage 3=====Meaning=== [[File:BalanedDiet.png|right|300px|thumb|Four plates showing a '''balanced diet'''.]] Having a '''balanced diet''' means eating a variety of food to make sure you get the right amount of; [[carbohydrate]]s, [[protein]]s, [[fat]]s, [[vitamin]]s, [[mineral]]s and [[fibre]]. ===About a Balanced Diet===: We need a '''balanced diet''' to stay healthy.: Carbohydrates and fats provides us with energy for respiration.: Proteins, vitamins and minerals in food are used for growth and repair.: Fats and minerals help keep our [[Nervous System|nervous system]] healthy. In a '''balanced diet''' we need to make sure we get enough:*[[Carbohydrate]]s - To provide energy for respiration.*[[Protein]]s - To provide material for growth and repair.*[[Lipid|Fats and Oils]] - For our [[Nervous System|nervous system]] to function. Provides insulation to keep warm, protection of [[organ]]s and a long term energy store.*[[Vitamin]]s - For growth and repair.*[[Mineral]]s - For growth, repair and our [[Nervous System|nervous system]] to function.*[[Fibre]] - To aid digestion.*[[Water]] - To aid digestion and keep us hydrated.: '''Note''' - [[Fibre]] and [[water]] are not [[nutrient]]s, but they are an important part of a '''balanced diet'''. ===Carbohydrates===: Carbohydrates can be split into two groups. [[Polysaccharide|Complex Carbohydrate]]s like [[starch]] which are very important in our diet and [[Sugar|Simple Carbohydrate]]s called [[sugar]]s that can be harmful if we eat to much of them. {| class="wikitable"|+ Foods with lots of [[starch]]:|-|[[File:Bread.png|center|150px]]|[[File:Pasta.png|center|150px]]|[[File:Potato.png|center|150px]]|[[File:Rice.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Bread makes part of a '''balanced diet''' because it has a lot of stored energy we can use.| style="height:20px; width:150px; text-align:center;" |A '''balanced diet''' might contain pasta for energy.| style="height:20px; width:150px; text-align:center;" |Potatoes are an excellent source of energy in a '''balanced diet'''.| style="height:20px; width:150px; text-align:center;" |Rice is a very important part of many people's '''balanced diet'''.|} {| class="wikitable"|+ Foods with lots of [[sugars]]:|-|[[File:Fruit.png|center|150px]]|[[File:Yoghurt.png|center|150px]]|[[File:Sweets.png|center|150px]]|[[File:EnergyDrinks.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Fruit has lots of [[sugar]] but is healthy because it also has [[vitamins]] and [[fibre]] inside.| style="height:20px; width:150px; text-align:center;" |Yoghurt has a lot of [[sugar]] but there are also some health parts like a [[mineral]] called [[Calcium]].| style="height:20px; width:150px; text-align:center;" |Sweets are full of [[sugar]] with nothing healthy in them.| style="height:20px; width:150px; text-align:center;" |Energy drinks have nothing healthy in them and are packed with [[sugar]].|} ===Protein==={| class="wikitable"|+ We can eat any of these foods to get enough [[protein]].|-|[[File:Meat.png|center|150px]]|[[File:Beans.png|center|150px]]|[[File:Nuts.png|center|150px]]|[[File:Peas.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Meat provides lots of protein for a '''balanced diet'''.| style="height:20px; width:150px; text-align:center;" |You can help keep your diet '''balanced''' by eating lots of different beans.| style="height:20px; width:150px; text-align:center;" |Nuts are the seeds of trees and are part of a '''balanced diet'''.| style="height:20px; width:150px; text-align:center;" |There are many different kinds of peas that can help make sure you have a '''balanced diet'''.|} ===Fats and Oils===: [[Lipid|Oil]] is better for us than [[Lipid|fat]], but we need some of both.: If we eat too much [[Lipid|fat and oil]] then we can become [[Obesity|obese]]. {| class="wikitable"|+ These foods contain a lot of [[Lipid|fats and oils]].|-|[[File:Meat.png|center|120px]]|[[File:CookedFish.png|center|120px]]|[[File:Nuts.png|center|120px]]|[[File:Butter.png|center|120px]]|[[File:CookingOil.png|center|120px]]|-| style="height:20px; width:120px; text-align:center;" |Meat contains useful fat for our diets, but too much can lead to heart disease.| style="height:20px; width:120px; text-align:center;" |Fish is a very healthy source of oils in our diet.| style="height:20px; width:120px; text-align:center;" |Nuts are a healthy source of oils.| style="height:20px; width:120px; text-align:center;" |Butter is full of fat and we shouldn't eat too much. Butter is found in cakes and cookies.| style="height:20px; width:120px; text-align:center;" |Cooking oil is used to fry our food causing it to have a lot of oil inside it. A small amount is healthy but too much is bad for us.|} ===Vitamins==={| class="wikitable"|+ We should eat lots of these different foods to make sure we get all the vitamins we need.|-|[[File:Citrus.png|center|150px]]|[[File:Fruit.png|center|150px]]|[[File:Vegetables.png|center|150px]]|[[File:CookedFish.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Oranges, lemons and limes have a lot of vitamin C in them.| style="height:20px; width:150px; text-align:center;" |Different fruit have different vitamins so you should eat a variety of them for a balanced diet.| style="height:20px; width:150px; text-align:center;" |Different vegetables have different vitamins so you should eat a variety of them for a balanced diet.| style="height:20px; width:150px; text-align:center;" |Fish has a lot of vitamin D inside.|} ===Minerals=== {| class="wikitable"|+ There are minerals in almost every food we eat.|-|[[File:Meat.png|center|150px]]|[[File:Yoghurt.png|center|150px]]|[[File:Fruit.png|center|150px]]|[[File:Vegetables.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Red meat contains lots of [[Iron]].| style="height:20px; width:150px; text-align:center;" |Yoghurt, milk and cream are a good source of [[calcium]].| style="height:20px; width:150px; text-align:center;" |Fruit have lots of different minerals inside.| style="height:20px; width:150px; text-align:center;" |Vegetables have lots of different minerals. |} ===Fibre==={| class="wikitable"|+ We can eat any of these foods to get enough [[protein]].|-|[[File:Fruit.png|center|150px]]|[[File:Vegetables.png|center|150px]]|[[File:Beans.png|center|150px]]|[[File:Peas.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Fruit has a lot of [[fibre]] in the skin of the fruit.| style="height:20px; width:150px; text-align:center;" |There is a lot of [[fibre]] in vegetables.| style="height:20px; width:150px; text-align:center;" |Beans are an excellent source of [[fibre]].| style="height:20px; width:150px; text-align:center;" |Peas are one of the best vegetables to get [[fibre]].|} ===Diet and Health==={| class="wikitable"|-| style="height:20px; width:150px; text-align:center;" |'''Starvation'''| style="height:20px; width:150px; text-align:center;" |'''Obesity'''| style="height:20px; width:150px; text-align:center;" |'''Scurvy'''| style="height:20px; width:150px; text-align:center;" |'''Kwashiorkor'''|-|[[File:Starvation.png|center|150px]]|[[File:Obesity.png|center|150px]]|[[File:Scurvy.png|center|150px]]|[[File:Kwashiorkor.png|center|150px]]|-| style="height:20px; width:150px; text-align:center;" |Not enough food, especially foods with a lot of energy, causes you to become too thin.| style="height:20px; width:150px; text-align:center;" |Too much food, especially foods with a lot of energy, causes you to gain weight and increases the risk of heart attack.| style="height:20px; width:150px; text-align:center;" |Not enough Vitamin C causes your wounds to stop healing, sores to appear on the tongue and skin and teeth to fall out.| style="height:20px; width:150px; text-align:center;" |Not enough protein causes your organs to swell.|} ===Energy in Food===: We get [[energy]] from our food. [[Carbohydrate]]s, [[lipid]]s and [[protein]]s are all stores of [[Chemical Potential Energy Store|chemical potential energy]].{| class="wikitable"|-|[[File:EnergyNutrients.png|center|300px]]|-| style="height:20px; width:300px; text-align:center;" |The amount of energy in each [[nutrient]] per [[gram]].|}: We must get the amount of energy we take in and the amount of energy we use the same so that we can keep healthy.: Different activities use different amounts of energy.{| class="wikitable"|-|[[File:EnergyActivities.png|center|400px]]|-| style="height:20px; width:400px; text-align:center;" |The amount of energy used per [[hour]].|}: If we take in too little [[energy]] we feel tired (finding it hard to think), get fatigued (finding it hard to move), and feel cold (finding it hard to keep our body temperature at 37°C). However if we take in too much [[energy]] our body stores energy in [[Fatty Tissue|fatty tissue]].: The average adult [[male]] needs to eat around 10,000kJ per day and the average adult [[female]] needs to eat around 8,000kJ per day. The amount of food and type of food determines how much [[energy]] is actually consumed. ==Key Stage 4=====Meaning===Having a '''balanced diet''' means eating a variety of food to make sure you get the right amount of; [[carbohydrate]]s, [[protein]]s, [[lipid]]s, [[vitamin]]s, [[mineral]]s and [[fibre]]. ===About a Balanced Diet===: A '''balanced diet''' supplies the right amount of different [[nutrient]]s to the [[Cell (Biology)|cells]] in the body.[[Cell (Biology)|Cells]] need:*[[Glucose]] - A [[carbohydrate]].*[[Fatty Acid]]s - Part of [[lipid]]s.*[[Amino Acid]]s - The building blocks of [[protein]]s.*[[Vitamin]]s*[[Mineral]]s ===Balanced Diet and Disease===: Having a '''balanced diet''' can reduce the risk of a number of [[disease]]s including all [[Deficiency Disease|deficiency diseases]], [[Coronary Heart Disease]], [[diabetes]] and [[cancer]]. ==Beyond the Curriculum=={{#ev:youtube|https://www.youtube.com/watch?v=xyQY8a-ng6g}}