Year 9 Chemistry and Mathematics October Test Revision

Vocabulary practice flashcards covering all specified revision topics, scientists, resources, and methods for the Year 9 Chemistry and Mathematics October tests.

Particle Model

A chemistry model explaining how particles are arranged and behave in solids, liquids, and gases.

Changes of State

The physical transformations of a substance between solid, liquid, and gas phases.

Chemical and Physical Changes

A chemistry topic comparing processes that alter chemical composition to form new substances versus processes that change physical form without altering chemical identity.

Atomic Structure

The structure and components of atoms, including the historical development of atomic models.

Atomic Development Scientists

The four specific historical scientists required for the atomic structure revision: Dalton, Thomson, Rutherford, and Bohr.

Atomic Number and Mass Number

Key numerical values characterizing an atom's structure and nuclear composition.

Isotopes

Forms of an element covered alongside elements and relative atomic mass on the chemistry revision syllabus.

Relative Atomic Mass

A GCSE Chemistry revision topic covered up to the $3:52$ mark in the designated revision video.

BIDMAS

An order of operations rule used to evaluate mathematical expressions correctly.

Product of Prime Numbers

A mathematical representation where a number is expressed as the product of its prime factors.

Venn Diagrams for HCF and LCM

A visual method used to determine the Highest Common Factor (HCF) and Lowest Common Multiple (LCM) of two numbers.

Reciprocals

A mathematical concept on the Year 9 revision list describing the number obtained by dividing $1$ by a given number.

Converting Recurring Decimals to Fractions

A mathematical process for converting repeating decimal values into equivalent fractional forms.

Non-Calculator Written Calculations

Manual arithmetic methods performed without a calculator, specifically including long division and long multiplication.

MathsWatch

An online maths revision platform located at vle.mathswatch.co.uk/vle/ accessed with a school email and the password Password1!.

Corbettmaths and mathsgenie

Two external mathematics websites recommended alongside MathsWatch to assist students with test revision.