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What is the metric unit for MASS?
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Name the third planet from the sun?
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CE Science questions
Common Entrance (KS3) science questions
| Question | Answer |
|---|---|
| What is the metric unit for MASS? | KILOGRAM(kg) |
| Name the third planet from the sun? | EARTH |
| Is the moon a satellite, planet or star? | SATELLITE |
| What is your approximate height: A: 1500mm, B: 15m, C: 500cm or D: 0.1km ? | 1500mm |
| What is the normal melting point of water? | 100°C |
| Name an instrument you would use to measure temperature: | THERMOMETER |
| What is your approximate mass: A: 4.5kg, B: 45 000g, C: 0.01tonne or D: 150kg ? | 4500g |
| How many planets are there in our solar system? | 8 planets |
| What force holds a planet in orbit around the sun | GRAVITY |
| What is the unit for force | NEWTON |
| What is the unit for VOLUME? | CUBIC CENTIMETRE (cm³) |
| What is the unit for current? | AMPERE |
| Name an instrument you would use to measure the volume of a liquid: | MEASURING CYLINDER |
| Two magnets, when brought together, repel. If the pole of one magnet is SOUTH what is the other pole? | SOUTH |
| Does the arrow on a magnetic field line point towards the NORTH or SOUTH pole? | NORTH pole |
| Which planet is nearest to the sun? | MERCURY |
| What happens to the current through a component if the voltage is increased? (INCREASE, DECREASE or NOT CHANGE) | INCREASE |
| What happens to the current in a circuit if the resistance is increased? A: increase, B: decease or C: stay the same | DECREASE |
| What form of energy is stored in a battery? | CHEMICAL |
| What form of energy is in a stretched elastic band | STRAIN |
| What form of energy is stored in a spinning disk? | KINETIC |
| During an eclipse of the sun the Earth, Sun and Moon are in line. Which would be in the middle? | MOON |
| Name the metric unit for ENERGY | JOULE |
| Name an instrument used for measuring CURRENT in a circuit: | AMMETER |
| A bike waiting at the top of a hill would have what sort of energy | GRAVITATIONAL |
| When coal burns chemical energy is converted to light energy and …?…. Energy | HEAT |
| There are two forces on a floating boat. Which force pushes up and helps the boat float? | UPTHRUST |
| An electric torch is switched on. Where does the energy come from that lights the bulb? | The BATTERY |
| What name is given to the bending of light. | REFRACTION |
| What name is given to the kind of switch that can be closed using a magnet. | REED SWITCH |
| If a guitar string is plucked harder how would the sound change? | It would sound LOUDER |
| If a guitar string is made tighter how would the sound change? | The pitch would increase /sound higher |
| What is the unit for voltage ? | VOLT |
| You hold a mass of 100g in the palm of your out-stretched hand. With what force does the mass press on your hand? | 1NEWTON |
| Which would stretch the least A) a single spring B) two springs in parallel. C) two springs in series? | Two strings in PARALLEL |
| Which would stretch the most A) a single spring B) two springs in parallel. C) two springs in series? | Two strings in SERIES |
| Which would have the greater volume, 1kg of water, 1kg of wood or 1kg of aluminium?. | 1 kg of WOOD |
| A brick measures 5cm x 5cm x 20cm.What is the volume of the brick? | 500 cm³ |
| To which galaxy does our Sun belong? | The MILKY WAY |
| A brick measures 5cm x 5cm x 20cm and has a mass of 1000g. What is the DENSITY of the brick? | 2 g/cm³ |
| What is needed to make something change shape or change direction | a FORCE |
| A man on a parachute is falling at a steady speed. Which is the larger force: Gravity is pulling him down or air resistance pushing up? | They are the same size |
| Newtons per square centimetre is the unit of what measurement? | PRESSURE |
| Grams per cubic centimetre is a unit for what property? | DENSITY |
| What is the normal density of water? | 1 g/cm³ |
| Which will have more resistance, a single light bulb, or two bulbs in series or two in parallel? | Two bulbs in series |
| What formula is used to calculate density? | MASS ÷ VOLUME |
| What formula is used to calculate pressure? | FORCE ÷ AREA |
| What force causes a moving car to slow down? | FRICTION |
| How would the weight of an object change if it were taken to the Moon? | The weight would GET LESS |
| How would the weight of an object change if it were taken to the Moon? | The mass would STAY THE SAME |
| The formula DISTANCE ÷ TIME is used to calculate what? | SPEED |
| What word is used to describe the rainbow of colours produced by a prism? | SPECTRUM |
| What do we call the splitting of light caused by a prism? | DISPERSION |
| What is the name of the force that slows down a man falling by parachute? | AIR RESISTANCE |
| What is the approximate percentage of oxygen in the atmosphere? | 21% |
| What percentage of the air is nitrogen? | 78% |
| Approximately how many elements are there? | about 100 |
| What kind of liquid has a pH value less than pH7. | ACID |
| Is a solution of magnesium oxide acidic, alkaline or neutral? | ALKALINE |
| A very light metal used to make kitchen foil and saucepans. A good conductor of heat and electricity. | ALUMINIUM |
| To show if a liquid contains water you could add it to what blue chemical? | ANHYDROUS COBALT CHLORIDE |
| Name the solid formed formed when blue copper sulphate decomposes: | ANHYDROUS COPPER SULPHATE |
| What name is given to the smallest part of an element? | ATOM |
| What colour does copper turn when it is heated? | BLACK |
| A piece of apparatus that burns gas and is used to heat apparatus. | BUNSEN BURNER |
| Ca is the symbol for which chemical element? | CALCIUM |
| What is the main compound present in limestone? | CALCIUM CARBONATE |
| Name a non-metallic element that conducts electricity | CARBON |
| What gas would be formed when carbon reacts with magnesium oxide? | CARBON DIOXIDE |
| Name TWO substances released into the air when a candle burns. | CARBON DIOXIDE and WATER |
| A way of separating a mixture of coloured dyes or pigments such as found in ink. | CHROMATOGRAPHY |
| Is water a mixture, compound or element? | COMPOUND |
| This is what happens when a gas turns to a liquid due to being cooled down. For example when steam touches a cold mirror. | CONDENSE (condensation) |
| What solid product be formed if carbon was heated strongly with copper oxide. | COPPER |
| What compound is formed when copper is heated in air? | COPPER OXIDE |
| What kind of reaction takes place when calcium carbonate is heated strongly to form lime? | DECOMPOSITION |
| What process of separation would you use to obtain fresh water from salty water (filtration, distillation or evaporation)? | DISTILLATION |
| Is carbon a mixture, compound or element | ELEMENT |
| What process of separation would you use to obtain salt from salty water (filtration, distillation or evaporation)? | EVAPORATION |
| The liquid left behind after filtering. | FILTRATE |
| What process of separation would you use to remove sand from salty water (filtration, distillation or evaporation)? | FILTRATION |
| A substance has a melting point of -218°C and a boiling point of -183°C. Is it a solid liquid or gas? | GAS |
| If copper sulphate were heated would it’s mass gain, get less or not change? | GET LESS |
| Name a dense, yellow metal that is often used to make jewellery. | GOLD |
| A form of carbon. The black substance inside pencils (the pencil lead). | GRAPHITE |
| What is the chemical formula for water? | H2O |
| Which gas burns with a squeeky 'pop' | HYDROGEN |
| Two liquids that will not mix together (like oil and water) | IMMISCIBLE |
| If some copper foil were heated strongly in air would it’s mass increase, decrease or not change? | INCREASE |
| Pick an alkaline substance from: lemon juice, indigestion mixture, water, vinegar | INDIGESTION MIXTURE |
| When a substance cannot dissolve. | INSOLUBLE |
| In a common industrial process, carbon is heated with iron oxide. What everyday substance is being produced? | IRON |
| What substance is used during the test for carbon dioxide gas | LIMEWATER |
| A substance has a melting point of -39°C and a boiling point of 357°C. Is it a solid liquid or gas? | LIQUID |
| Name an element that burns with a bright white flame | MAGNESIUM |
| Pick out an alkaline oxide from the list below: A: sulphur dioxide, B: sodium chloride, C: magnesium oxide | MAGNESIUM OXIDE |
| A substance that can be hammered into thin sheets. Includes most metals. Good examples are gold, copper or lead. | MALLEABLE |
| CH4 is the formula for which gas? | METHANE |
| Is air a mixture, compound or element? | MIXTURE |
| The particle formed when two or more atoms chemically join together. | MOLECULE . |
| What kind of liIs the oxide of hydrogen acidic, alkaline or neutral? | NEUTRAL |
| What do we call the reaction between sodium hydroxide and hydrochloric acid. | NEUTRALIZATION |
| Name the most abundant gas in the atmosphere | NITROGEN |
| What would happen to a piece of copper if it were heated gently in a tube of nitrogen gas? | NOTHING |
| What gas will relight a glowing splint? | OXYGEN |
| What is the pH value of pure water? | Ph 7 |
| A scale of numbers (from 1 to 14)which shows how acidic or alkaline a liquid is. | pH SCALE |
| What colour does anhydrous cobalt chloride turn whn added to water? | PINK |
| What colour would universal indicator turn when added to oven cleaner (a strong alkali)? | PURPLE |
| If Litmus indicator was added to a liquid of pH 5 what colour would it go? | RED |
| The kind of reaction happens when we remove the oxygen from a compound. | REDUCE (reduction) |
| A substance good at removing oxygen from a compound. (Eg magnesium) | REDUCING AGENT |
| The solid remaining in the filter paper after filtering. | RESIDUE |
| What common name is given to the chemical called sodium chloride? | SALT |
| What solid chemical is formed when iron is added to siver nitrate solution | SILVER |
| Which element has the symbol Na? | SODIUM |
| What is the chemical name for the substance we call table salt? | SODIUM CHLORIDE |
| Name the two products formed when sodium hydroxide reacts with hydrochloric acid | SODIUM CHLORIDE AND WATER |
| A substance has a melting point of 113°C and a boiling point of 445°C. Is it a solid liquid or gas? | SOLID |
| This is how we describe a substance that can be dissolved | SOLUBLE |
| If some salt is dissolved in warm water the salt is called the A: solution, B: solute, C: solvent ? | SOLUTE |
| This is the liquid obtained by dissolving one substance in another. | SOLUTION |
| SOLID, LIQUID and GAS are known as this. | STATES OF MATTER |
| Name a yellow element that burns to form an acidic oxide | SULPHUR |
| Name a compound of sulphur that causes acid rain | SULPHUR DIOXIDE |
| Flour is insoluble in water. When flour is shaken with water it will form a A: solution B: suspension C: filtrate | SUSPENSION |
| What colour change would you see if water was added to anhydrous copper sulphate | Turn BLUE |
| Pick a substance with a pH value less than Ph7: vinegar, water, limewater | VINEGAR |
| Pick a neutral oxide from this list: Magnesium oxide, water, sulphur dioxide, carbon dioxide | WATER |
| What colour is magnesium oxide | WHITE |
| What colour is sulphur? | YELLOW |
| Is a kidney best described as A: a cell, B: tissue, C: organ or D: organism? | ORGAN |
| What organ in our body contains valves | HEART |
| Name THREE features that would be found in ALL living cells. | CYTOPLASM, NUCLEUS AND MEMBRANE |
| What is the normal pulse rate of a boy while resting? | 80 bpm |
| Where can you easily measure the pulse? | WRIST or NECK |
| What is the normal body temperature of a human | 37 °C |
| Name three structures that would be found only in plant cells | LARGE VACUOLE, CHLOROPLASTS and CELL WALL |
| To which group of animals does a FROG belong? | AMPHIBIAN |
| How long does it take a human embryo to develop in the uterus? | 9 months |
| In which cell structure does photosynthesis take place? | CHLOROPLAST |
| What function is carried out by our bladder | Stores URINE |
| What happens to your pulse during exercise? | Pulse INCREASES |
| Enzymes help which process take place in our body? | DIGESTION |
| A section from an animals liver would be best described as A: a cell, B: tissue, C: an organ or D: an organism. | TISSUE |
| The place where an animal makes its home is called the A: habitat, B: environment or C: community ? | HABITAT |
| Which organ in a mammal puts oxygen into the blood? | LUNGS |
| What is the name of the process that releases energy in a cell? | RESPIRATION |
| What do we call the process of breaking down food? | DIGESTION |
| What is the approximate mass of a new born baby? A: about 100g, B:about 1kg, C: about 4kg, D: about 12kg | about 4kg |
| What type of nutrient is provided by meat, cheese and eggs? | PROTEIN |
| Which organ in our bodies is effected by a diet containing too much fat? | HEART |
| What organ in a human allows nutrients to pass from the mother's blood to the blood of an embryo? | PLACENTA |
| Which part of a plant cell is made of cellulose? | CELL WALL |
| Name the waste gas produced during respiration | CARBON DIOXIDE |
| How often does the girls body make an egg? | every 28 days |
| What cell contains the male gamete used to fertilize an egg? | SPERM |
| Which part of a cell provides it with energy | MITOCHONDRIA |
| Which part of a cell contains chromosomes (DNA) | NUCLEUS |
| What has to happen to an egg before it can start to develop into a baby? | It has to be FERTILIZED |
| What is a zygote? | a fertilized egg |
| What is a saprophye? | A decay organism (Fungi and bacteria) |
| What organ is responsible for hearing and balance? | EAR |
| Which organ manufactures sperm in a human? | TESTIS |
| Where is the egg formed in a human? | OVARY |
| What kind or organism lives on or in another living creature? | PARASITE |
| What chemical is used to test for the presence of starch in food? | IODINE |
| Where in the mother’s body does the embryo develop? | UTERUS |
| Name the products of photosynthesis | GLUCOSE and OXYGEN |
| Which part of a plant manufactures food by photosynthesis? Root, Flower, Stem or Leaves | LEAVES |
| Which part of a plant is where the seeds are made? Root, Flower, Stem or Leaves | FLOWER |
| Which part of the body removes soluble waste and excess water from the blood. | KIDNEY |
| Which part of a plant absorbs water from the ground? Root, Flower, Stem or Leaves | ROOT |
| When does photosynthesis take place in a plan, During the day, during the night or all the time? | DURING THE DAY |
| Which kind of blood vessels carry oxygenated blood away from the heart? | ARTERIES |
| What is the name of the process taking place when pollen lands on the stigma of a plant? | POLLINATION |
| What do we call the holes on a plant leaf where gas exchange take place? | STOMATA |
| What do we call the process by which a plant grows from a seed? | GERMINATION |
| Name a gas released by plants during photosynthesis | OXYGEN |
| From where do the producers in a food chain obtain their energy? | The SUN |
| From where would the predator in an ecosystem obtain its energy? | From another ANIMAL |
| The first organism in a food chain is always what? (Producer or consumer) | a PRODUCER |
| Taking cuttings, budding, forming tubers and runners are all examples of what process? | ASEXUAL reproduction |
| What biological process releases oxygen into the atmosphere? | PHOTOSYNTHESIS |
| What green chemical, found in plant cells, is necessary for photosynthesis to take place? | CHLOROPHYLL |
| What type of food do herbivores usually eat? | PLANTS |
| Where is pollen made in a plant? | top of the STAMEN (anther) |
| What type of chemical is a catalyst to help the process of digestion take place | ENZYME |
| What type of nutrient is provided by starch and sugar? | CARBOHYDRATE |
| Which cell contains the female gamete? | OVUM (egg) |
| A type of animal that is awake during the night and sleeps during the day | NOCTURNAL |
| A type of tree that looses its leaves in winter | DECIDUOUS |
Created by:
MikeCurtis
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