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#Science cards
32 science cards
Question or Term | Answer or Definition |
---|---|
Calorie | a measure of the amount of energy in food |
Fats | a group of nutrients that provide energy and building blocks for some body systems |
Carbohydrates | a group of nutrients that provide energy; they include sugars and starches |
Nutrient | a chemical needed for the maintenance and growth of an organism |
Nutrition | the process by which organisms get the building materials and energy needed to stay alive |
Proteins | a group of nutrients that provide energy and building blocks for growth and repair of body tissues |
Concentration | the amount of material dissolved in a measure of liquid the more material dissolved in the liquid, the more concentrated the solution |
Carbon Dioxide | a colorless, odorless gas, present in the atmosphere. It is given off by plants, animals, and some chemical reactions. |
Vitamin C | an essention acid in human nutrition |
Indicator | an object, material, or organism that shows the presence of certain materials. |
Carbohydrate | refers to a group of nutrients that provide energy, sugars, and starches. |
Sugar | a simple chemical used as an energy source by most life forms |
Metabolism | the process of breaking down food to yield energy to keep organisms functioning |
Yeast | a single celled organism in the fungus kingdom |
Food | anything that people eat that provides energy and allows them to grow |
Acid | a chemical that has a characteristic sour taste |
Chemical Reaction | a change that occurs as a result of mixing two or more materials together. A reaction forms new materials with different properties from the original. |
How do you know which breakfast cereals contain the most sugar? | The greater the amount of carbon dioxide produced by yeast in a food sample, the greater the amount of sugar in the sample. |
What chemical can be used to indicate acid in food? | Baking soda can be used to indicate acid in food. |
What indicator is used to detect vitamin c? | Indophenol |
What is a good source of vitamin c? | Fruit juice |
What is the evidence that vitamin c is present? | The indicator becomes colorless. |
What does the size of the grease spot tell us about the amount of fat in food? | The food that produces the largest grease spot has the most fat. |
What can we use to determine how much fat was in a particular food? | Brown paper bag. |
What can we use to test foods and determine how much sugar they have? | Yeast can be used to indicate sugar in foods. |
What does the amount of gas in the acid test tell us? | The amount of gas produced in an acid test is an indicator of the concentration of the acid. |
Why do you think cooks put sour milk and baking soda into pancakes and biscuits? | To form gas to make the baked goods rise. |
What is indophenol used for? | It is an indicator of vitamin c in foods. |
What does a nutritional lunch consist of? | A nutritional lunch has the right amount of calories, proteins, carbohydrates, and fat. |