Calderside Academy Science. Problem Solving. Healthy Living Level D

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Theodore Knight
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1 Calderside Academy Science Problem Solving Healthy Living Level D

Problem Solving Healthy Living 1. Jack and John had a race. They measured their pulse rates immediately after the race. After three minutes rest, they measured their pulse rates again.

2 Problem Solving Healthy Living 1. Jack and John had a race. They measured their pulse rates immediately after the race. After three minutes rest, they measured their pulse rates again. Here are the results. Pulse rate (beats per minute) Immediately after race after 3 minutes rest Fall in pulse rate Jack John Calculate the fall in pulse rate for each boy. (1) 2. Complete a bar graph to show the alcohol content of the five drinks. Alcohol Content (%) 10 5 whisky Type of drink

3 3. An adult needs 8 mg of vitamin B 2 every day. One serving of breakfast cereal contains 25% of an adult s daily needs. Calculate the mass of vitamin B 2 in one serving of breakfast cereal? (2) 4. George was told by his dentist that 25% of his 28 teeth had started to decay. Calculate the number of teeth that had started to decay. (2) 5. This is part of the index of a book. (a) Paul wanted to find out about the effects of smoking and its link with lung cancer. Which two pages should he look up? (1) (b) Hailey looked up pages 73 and 66. What was she trying to find out about? (1) 6. Incisors and canines are the front teeth of the mouth and premolars and molars are at the sides of the mouth. Canines tear food. Incisors bite and cut food. Premolars and molars chew and grind food. Complete the following key. Types of teeth Front of mouth sides of mouth Bite and cut food tear food chew and grind food and (2)

4 7. Karen wants to find out how long it takes for her pulse rate to return to normal after playing tennis. Put the following sentences in the correct order to describe what she should do. (The first one has been done for you) A B C D Play tennis for one set. Work out how long it takes for her pulse rate to return to normal Measure and record her pulse rate at one minute intervals Measure her normal pulse rate before playing tennis. The correct order is D (1) 8. Michael read that he needs kilojoules of energy in one week (7 days) How many kilojoules of energy does he need in one day? (2)

5 Calderside Academy Science Problem Solving Healthy Living Level E

6 Problem Solving Human Body (E) 1. There are 8 grams of fibre in 100 grams of wholemeal toast. There are 9 grams of fibre in 100 grams of baked beans. One slice of wholemeal toast weighs 25 g. Calculate the weight of fibre in a snack of 200 grams of baked beans on 2 slices of wholemeal toast. (2) 2. Use the information in the passage to construct a table with three suitable headings. Protein is an important part of our diet. Some foods supply us with more protein than others. Beans, for example, are a very good source. They contain 38 grams of protein for every 100 grams of beans. Only 6 grams out of every 100 grams of peas is protein. 100 grams of cheese contains 25 grams of protein. The protein content per 100 grams of flour and beef is 10 and 18 grams respectively. (3) 3. Different foods were burned and the energy given off by each food was used to heat equal volumes of water. The results are shown below. Food Weight of food Temperature of water ( o C) Rise in temperature of water ( o C) burned in grams at start at end for 1 gram of food burned bread cheese corned beef (a) Complete the table to show the rise in temperature for one gram of each food burned. (1) (b) For the same weight of food, which food contains the most energy? (1) (c) If four grams of cheese had been burned instead of two grams, predict the final temperature of the water. (1)

for 60 minutes. The results are shown in the graph below.

7 4. Equal volumes of hot soup were placed in a cup and a bowl. The temperature of the soup in each vessel was noted at regular intervals for 60 minutes. The results are shown in the graph below. Draw on the graph, the curve produced if a large soup plate had been used instead of the cup or bowl. (2)

8 Calderside Academy Science Problem Solving Healthy Living Level F

added to it. What conclusion can be drawn from the graph? (1) 2.

9 Problem Solving Human Body (F) 1. The graph shows the changes in the ph of 200 cm 3 of sterilised milk after 5 cm 3 of yoghurt was added to it. What conclusion can be drawn from the graph? (1) 2. The table shows the effect of temperature on the clotting time of blood. Temperature ( o C) Clotting time (minutes) Present these results as a line graph. (3)

10 3. The table shows changes in average blood pressure with age for men and women. Average blood pressure (units) Age (years) Men Women Draw three conclusions from these results (3) 4. It is thought that too much salt in your food is bad for your health. Morag wanted to compare two types of peanuts to see which had least salt per gram or peanut. The method she used for each type of peanut is shown below. The investigation was fair, but could be improved to make it more accurate and reliable. Suggest two improvements that could be made to the investigation. (2)

11 5. Read the following passage and then answer the questions. (a) Name the two types of pathogens mentioned in the passage. (2) (b) To which type of blood cells do lymphocytes belong? (1) (c) What is the correct term for the protective treatment discussed in the passage? (1)

Cut out these cards and match them up to make correct sentences. Arrange the sentences in a sensible order, and stick them into your book.

7Ia-1 Energy from food Cut out these cards and match them up to make correct sentences. Arrange the sentences in a sensible order, and stick them into your book. explain why different people need different