Science Homework #4: Year 9

Science Homework:  Year 9  (Mrs Downing)How does an object gain gravitational potential energy?Name the different layers of the Earth.How is igneous rock formed?  Give two examples of igneous rock.What are the vertical columns in the periodic table called?Describe the process of photosynthesis. Use a word equation to help.Why does blood from a smoker contain less Read More …

Science Homework #17: Year 11

Science Homework #17:  Year 11 Homework  Topic:Question 1Which object that orbits the Sun follows a highly eccentric orbit?P1Question 2Sort these sources into primary OR secondary energy sources… fossil fuels, electricity, wind, nuclear, biofuels, waves and radiation from the SunP3Question 3What is the scientific name for the process of particles dropping to the bottom of a lake/ sea?P1Question Read More …

Science Homework #16: Year 11

Science Homework #16:  Year 11 Homework  Topic:Question 1Give two other clues found in sedimentary rock which hint at the conditins under which the rock was formed.C3Question 2What do the materials cotton, paper, and silk all have in common?C2Question 3Give one source of microwaves other than ovens.P2Question 4A person with one recessive faulty allele can pass that allele Read More …

Science Homework #3: Year 8

Science Homework:  Year 8  (Mrs Downing) What does your body need oxygen for?Name one waste product produced by cells.List two organs in the circulatory system.What are the functions of the arteries, veins and capillaries?List three main parts of the blood.What is haemoglobin?Describe the different functions of bones.List three different types of joint.Muscles work in antagonistic pairs.  Read More …

Science Homework #3: Year 9

Science Homework:  Year 9  (Mrs Downing)Why do some rocks have bigger crystals that others?How does an object gain gravitational potential energy?Combustion reactions are exothermic reactions.  What does this mean?Describe what is meant by the ‘law of conservation of energy’.How do we test for the presence of water?Describe the process of photosynthesis. Use a word equation Read More …

Science Homework #15: Year 11

Science Homework #15:  Year 11 What is the name given to ‘packets’ of light?Name two greenhouse gases other than carbon dioxide.Sort the following organisms into a food chain…  chicken, fox hound, fox and wheatJoin the words polymerisation and monomer in a sensible sentence showing the meaning of both words.Two numbers are given for a blood pressure Read More …

Science Homework #14: Year 11

Science Homework #14:  Year 11 What evidence for large forces in the crust may show up in the rocks?Which blood vessel could be described as one cell thick and just wide enough for red blood cells to pass through?Which sex will a person with XY sex chromosomes be?Give two types of evidence for proving evolution.The absorption/ Read More …

Science Homework #2: Year 8

Science Homework:  Year 8  (Mrs Downing) What type of reproduction needs males and females?Name three male reproductive organs and describe their role.Name three female reproductive organs and describe their role.Explain how a sperm cell is adapted for swimming.Where does fertilisation occur?What is the function of the a) placenta b) the umbilical cord and c) amniotic fluid?About Read More …

Science Homework #13: Year 11

Science Homework #13:  Year 11 Give two non-living indicators to measure environmental change.What do automatic control systems use to detect changes in the environment?Why are embryionic stem cells more useful to use than adult stem cells?If 2 alleles of a gene are identical they are known as ……..?…….. Alleles.White cells can destroy micro organisms in two Read More …