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Science Unit 1 & 2
Question | Answer |
---|---|
_____ is about change. Nothing happens without it. | Energy |
Where does all energy start from? | Sun |
What type of energy comes from the sun? | Radiant or electromagnetic |
What is stored energy inside matter called? | Chemical energy |
______ is an example of a change in energy. | Photosynthesis |
Where does all energy start from? | Sun |
Where does photosynthesis take place in plants? | In their leaves |
What type of energy comes from the sun? | photosynthesis |
What are the materials needed for photosynthesis? | water, sunlight and carbon dioxide |
When the water (H20) and carbon dioxide (CO2) meet in the leaves AND sunlight is present, what is made? | Glucose and Oxygen |
What is stored energy inside matter called? | Chemical energy |
In photosynthesis, what change in energy occurs? | Radiant energy changes to chemical energy. |
Where does photosynthesis take place in plants? | In their leaves |
What is the process plants use to make food? | Photosynthesis |
What are the materials needed for photosynthesis? | water, sunlight and carbon dioxide |
When the water (H20) and carbon dioxide (CO2) meet in the leaves AND sunlight is present, what is made? | Glucose and Oxygen |
What are the 3 types of symbiotic relationships? | Mutualism, Commensalism and Parasitism |
What is Mutualism? | Both species benefit |
What is Commensalism | one species benefits, the other is unaffected |
What is Parasitism? | One species benefits, the other is harmed |
When do symbiotic relationships occur? | When two organisms live side by side. |
What do carbohydrates do? | Provide your body with fuel. |
What are two other names for glucose? | blood sugar and dextrose |
What is glucose made up of? | carbon and water |
How does glucose work? | Flows into your bloodstream so it is available to all cells in your body. |
What do your cells do with glucose? | Convert it into energy. |
Chemical formula for glucose? | C6H12O6 |
Glucose is a ________ sugar | Simple |
What is Fructose? | Simple sugar in fruit. |
Does Fructose have the same chemical formula as Glucose or is it different? | Same |
What is arranged differently in Glucose and Fructose? | Atoms |
What converts the fructose to glucose? | The liver |
What is Sucrose? | White sugar or table sugar. |
What is Lactose? | Sugar found in milk? |
What is Maltose? | Sugar found in malt. |
What are glucose, fructose and galactose? | Monosaccharides |
What are the only carbohydrates that can be absorbed into the bloodstream through the intestinal lining? | Glucose, fructose and galactose (monosaccharides) |
Whare are lactose, sucrose and maltrose? | Disaccharides |
What do disaccharides contain 2 of? | Monosaccharides |
What are the 2 things that are called simple carbohydrates? | Monosaccharides and disaccharides |
How are disaccharides converted to their monosaccharides bases? | By enzymes in the digestive tract. |
What are the only carbohydrates that can be absorbed into the bloodstream through the intestinal lining? | Glucose, fructose and galactose (monosaccharides) |
What are complex carbohydrates commonly known as? | Starches |
What are starches? | The way plants store energy. |
What is a complex carbohydrate made up of? | A chain of glucose molecules. |
What are some things that are high in starch? | Grain, wheat, corn, oats, rice |
How does your digestive system handle complex carbohydrates? | Breaks them down into glucose so it can enter your bloodstream. |
What is digested quicker - simple or complex carbohydrate | Simple |
What is the essential energy source for your body? | Glucose |
Where does your body store glucose? | In your liver. |
What provides the energy cells need to survive? | Carbohydrates. |