even number2, 4, 6, 8 and so on
digitone of the signs 0 to 9
sumthe total when numbers are put together
to addto put numbers together (+)
to subtractto take one number away from another (−)
to multiplyto do a sum like 3 × 4
grapha drawing that shows numbers with lines
equalsis the same as (=)
plusand; added to (+)
minustake away (−)
odd number1, 3, 5, 7 and so on
fractiona part of a whole number, like ¾
times tablea list like 1×3, 2×3, 3×3 for learning
anglethe space between two lines that meet
spherea solid round shape like a ball
calculatora small machine for doing sums
microscopea tool that makes tiny things look big
solar systemthe sun and the planets that go round it
astronauta person who travels into space
rocketa vehicle that flies into space
magneta piece of metal that pulls iron to it
scientista person who works in science
laboratorya room for scientific work and tests
experimenta test to find out something
researchcareful study to find new facts
theoryan idea that tries to explain something
discoveryfinding something nobody knew before
inventiona new thing that someone has made
to discoverto find something new for the first time
to inventto make something completely new
equationa maths sentence with an = sign
planeta big round body that goes round a star
spacethe area outside the Earth's air
telescopea tube for looking at things far away
gravitythe force that pulls things down
oxygenthe gas in the air that we need to breathe
atomthe smallest part of a chemical element
to proveto show that something is true