Group 5: Charts, Measures, and Lab Science#

Theme: A student works with shapes, numbers, and basic experiments in the science lab.

eccentric /ɪkˈsentrɪk/ adjective

1. If you describe someone as eccentric, you mean that they behave in a way that is strange or unusual.
2. In geometry, if circles or curves are eccentric, they do not have the same center.

table /ˈteɪbl/ noun

1. A table is a piece of furniture with a flat top and one or more legs, providing a level surface on which you can put things.
2. A table is a written set of facts and figures arranged in rows and columns.

cube /kjuːb/ noun

1. A cube is a solid shape with six equal square sides, or an object shaped like this.
2. The cube of a number is the number that you get when you multiply it by itself twice.

sphere /sfɪə/ noun

1. A sphere is an object that is completely round in shape like a ball.
2. A sphere of activity or interest is a particular area or field of life or knowledge.

cone /kəʊn/ noun

1. A cone is a solid shape that has a flat, round base and straight sides that narrow to a sharp point at the top, or an object shaped like this.

rectangle /ˈrektæŋɡl/ noun

1. A rectangle is a four-sided shape whose corners are all ninety-degree angles and whose opposite sides are equal in length.

diagram /ˈdaɪəɡræm/ noun

1. A diagram is a simple drawing that shows how something works, how it is made, or what something looks like.

length /leŋθ/ noun

1. The length of something is the distance it measures from one end to the other.

width /wɪdθ/ noun

1. The width of something is the distance it measures from one side or edge to the other.

angle /ˈæŋɡl/ noun

1. An angle is the space between two lines or surfaces that meet at a point, measured in degrees.
2. You can refer to a corner or bend, or the point where two lines meet, as an angle.

straight /streɪt/ adjective adverb

1. Something that is straight does not curve, bend, or change direction.
2. If you go straight somewhere, you go directly there without stopping or changing direction.

diagonal /daɪˈæɡənl/ adjective noun

1. A diagonal line, pattern, or cut goes sloping from one corner or side to an opposite one.
2. In mathematics, a diagonal is a straight line that joins two opposite corners of a flat shape with straight sides.

triangle /ˈtraɪæŋɡl/ noun

1. A triangle is a flat shape that has three straight sides and three angles.
2. A triangle is an emotional or social situation that involves three people, especially where two people are competing for the love of a third.

round /raʊnd/ adjective noun adverb

1. Something that is round is shaped like a circle or a ball.
2. A round of events, activities, or talks is a series of them, or one section of a competition.

dot /dɒt/ noun verb

1. A dot is a very small round mark, point, or spot.
2. If you dot something with a mark, or if marks dot a surface, you make small round marks on it.

circle /ˈsɜːkl/ noun

1. A circle is a continuous curved line around a point, where every point on the line is the same distance from the centre.

chart /tʃɑːt/ noun

1. A chart is a diagram, picture, or graph that is intended to make information easier to understand.
2. A chart is a map of the sea or the sky that is used by sailors or pilots to navigate.

matrix /ˈmeɪtrɪks/ noun

1. In mathematics, a matrix is an arrangement of numbers, symbols, or letters in rows and columns.
2. A matrix is a mould or framework used to shape something, or the substance in which something is embedded.

graph /ɡrɑːf/ noun

1. A graph is a mathematical diagram that shows the relationship between two or more sets of numbers or measurements.

extent /ɪkˈstent/ noun

1. The extent of something is the degree, amount, or size of it.
2. The extent of an area is its length, width, or physical size.

decimal /ˈdesɪml/ adjective noun

1. A decimal system of numbers or measurements is based on the number ten.
2. A decimal is a number that is written using a decimal point, expressing parts of a whole number based on tens.

percent /pəˈsent/ noun

1. You use percent to talk about an amount expressed as a particular proportion of one hundred.

proportion /prəˈpɔːʃn/ noun

1. A proportion of a whole is a part of it, especially in relation to the whole amount.

rate /reɪt/ noun

1. A rate is the speed at which something happens or is done.
2. A rate is a measurement of the frequency of an event, or how much of one thing exists compared to another.

ratio /ˈreɪʃiəʊ/ noun

1. A ratio is a relationship between two things when it is expressed in numbers or amounts.

fraction /ˈfrækʃn/ noun

1. A fraction is a tiny amount or proportion of something.
2. In mathematics, a fraction is a number such as ½ or ¾ that represents a part of a whole.

scale /skeɪl/ noun verb

1. The scale of something is its size, extent, or importance.
2. If you scale a high wall, cliff, or mountain, you climb to the top of it.

ounce /aʊns/ noun

1. An ounce is a unit of weight equal to approximately 28.35 grams.
2. You can say that someone does not have an ounce of a particular quality to mean they have none of it at all.

density /ˈdensəti/ noun

1. In physics, the density of a substance is the relationship between its mass and its volume.
2. The density of something is the amount of it that exists in a particular area or space.

mercury /ˈmɜːkjəri/ noun

1. Mercury is a heavy, silvery-white poisonous metal that is liquid at ordinary temperatures.
2. Mercury is the planet in the solar system that is closest to the sun.

Fahrenheit /ˈfærənhaɪt/ adjective

1. Fahrenheit is used to describe a scale for measuring temperature on which water freezes at 32 degrees and boils at 212 degrees.

battery /ˈbætri/ noun

1. A battery is a device that produces electricity to provide power for things such as toys, radios, or cars.
2. A battery of things is a large number of similar things arranged together, or a large number of tests or questions.

volt /vəʊlt/ noun

1. A volt is a unit used for measuring the force of an electric current.

radiate /ˈreɪdieɪt/ verb

1. If something radiates heat or light, it sends it out in all directions.
2. If things radiate from a central point, they spread out like lines moving away from that point.

emit /iˈmɪt/ verb

1. If something emits heat, light, gas, or a smell, it releases it into the air.
2. If someone emits a sound or a cry, they produce it.

transparent /trænˈspærənt/ adjective

1. If a substance is transparent, you can see clearly through it.
2. If an excuse, lie, or motive is transparent, it is easy to see through and understand.

hollow /ˈhɒləʊ/ adjective

1. Something that is hollow has an empty space inside it rather than being solid.

ozone /ˈəʊzəʊn/ noun

1. Ozone is a pale blue gas that is a form of oxygen, and it forms a layer high above the earth that protects us from the sun’s harmful ultraviolet rays.

gravity /ˈɡrævəti/ noun

1. Gravity is the force that attracts objects toward the center of the earth, or toward any other physical body having mass.

friction /ˈfrɪkʃn/ noun

1. Friction is the force that makes it difficult for one surface to slide smoothly over another.
2. Friction is disagreement and conflict between people or groups who have different opinions.

displace /dɪsˈpleɪs/ verb

1. If you displace something, you move it from its usual place or position.
2. If one thing displaces another, it takes the place of that thing.

boil /bɔɪl/ verb noun

1. When a hot liquid boils, or when you boil it, it reaches the temperature at which it produces bubbles and turns into steam.
2. If a liquid is brought to the boil, it reaches the temperature at which it starts to boil.

melt /mɛlt/ verb

1. When a solid substance melts, or when you melt it, it changes into a liquid because it has been heated.

dissolve /dɪˈzɒlv/ verb

1. If a substance dissolves in a liquid, or if you dissolve it, it mixes with the liquid so completely that it seems to disappear.
2. When an organization, group, or parliament dissolves, or when someone dissolves it, it is officially broken up or brought to an end.

rust /rʌst/ noun verb

1. Rust is a reddish-brown substance that forms on iron or steel when it gets wet.
2. If a metal object rusts, or if something rusts it, it becomes covered with rust.

ferment /fəˈmɛnt/ verb noun

1. If a substance ferments, or if something ferments it, a chemical change happens in it, usually caused by yeast or bacteria, which turns sugar into alcohol or acid.
2. Ferment is a state of great excitement, agitation, or political unrest.

acid /ˈæsɪd/ noun adjective

1. An acid is a chemical substance, usually a liquid, that contains hydrogen and has a pH of less than seven.
2. If you describe someone’s remarks as acid, you mean that they are sharp, sarcastic, and unkind.

dilute /daɪˈluːt/ verb adjective

1. If you dilute a liquid, you make it thinner or weaker by adding water or another liquid to it.
2. A dilute liquid has been made thinner or weaker by having another liquid added to it.

noxious /ˈnɒkʃəs/ adjective

1. A noxious gas or substance is poisonous or very harmful to living things.

static /ˈstætɪk/ adjective

1. Something that is static does not move, change, or develop.

inert /ɪˈnɜːt/ adjective

1. Someone or something that is inert does not move or react at all.
2. An inert substance does not react chemically with other substances.

inherent /ɪnˈhɪərənt/ adjective

1. An inherent quality is a natural and permanent part of something, which cannot be separated from it.

formula /ˈfɔːmjʊlə/ noun

1. In mathematics or science, a formula is a group of symbols or letters that expresses a rule, principle, or chemical composition.
2. A formula is a particular method or plan for doing or achieving something.

component /kəmˈpəʊnənt/ noun

1. The components of something are the individual parts that make it up.

compose /kəmˈpəʊz/ verb

1. The things or people that compose something are the parts that make up the whole.
2. If you compose a piece of music, a letter, or a poem, you write it with great care.

mixture /ˈmɪkstʃə/ noun

1. A mixture is a substance that is made by combining two or more different substances together.

blend /blɛnd/ verb noun

1. If you blend different things, or if they blend, they mix together so that they become one substance or work well together.
2. A blend of things is a combination of different qualities, substances, or items.