Teen Express Book 4 Review

electron

• a small particle with a negative electric charge

• a small particle with a negative electric charge

• a small particle with a negative electric charge

velocity

• the speed of something in a given time

• the speed of something in a given direction

• the speed of something in any direction

matter

• physical substance which has no mass when at rest

• physical force which has mass even when at rest

• physical substance which has mass even when at rest

nucleus

• . the central core of an electron which consists of protons and neutrons

• the central core of an atom which consists of protons and neutrons

• the central core of an atom which consists of electrons and neutrons

gravity

• the force that attracts a body towards the centre of the earth

• the force that attracts two bodies towards each other

• the force that attracts a body against the centre of the earth

venture

• a risky journey or undertaking

• a secure journey or undertaking

• a joyful journey or undertaking

plummet

• slow fall or drop down

• fall or drop straight down at high speed

• drift away at high speed

dauntless

• showing fearlessness and determination

• showing fear and lack of determination

• showing easy-goingness or indifference

disdain

• the feeling that someone or something is unworthy of one’s respect

• the feeling that someone or something is unworthy of one’s love

• the feeling that someone or something is unworthy of one’s time

presumptuous

• failing to observe the limits of what is permitted or appropriate

• jumping to conclusions too soon

• estimating too much