This quiz will test your knowledge from the previous lesson and your prior learning.

A flat section on a heating or cooling curve graph shows...

What is the melting point of ice?

In a chemical reaction, if the mass of one reactant is 10g and the mass of the other reactant is 15g, what must the overall mass of the products be?

What is meant by the term 'condensing'?

Substance X has a melting point of 30°C and a boiling point of 75°C. In which state of matter will it be at room temperature?

Substance A has a melting point of 15°C. Substance B has a melting point of -8°C. Substance C has a melting point of 45°C. Which of these substances will remain a solid at room temperature?

Changes of state (Part 2)

This quiz will test your knowledge from this lesson and your prior learning.

Which state of matter would be described as having a fixed shape, high density and is not compressible?

What causes pressure in a contained gas?

What effect does INCREASING volume have on the pressure exerted by a gas?

What effect does INCREASING temperature have on the pressure exerted by a gas?

What effect does INCREASING altitude have on gas pressure?

Which of the following is NOT a change of state?

Gas Pressure

Explain the effect of gas pressure on containers

Describe and explain the effect of temperature on gas pressure in terms of particles

This lesson looks at the reasons for there being pressure in a gas and the factors that can affect this.

Science

Y7 Science

Key Stage 3

Year 7

Miss

Gas pressure

Particles

Chemistry

THEME

UNIT

Solids, Liquids and Gases

Diffusion

Changes of State

Investigating changes of state

Solutions

Review 1

Pure and impure substances

Separating mixtures

Rock salt

Distillation

Chromatography

Solubility

Solubility Practical

Case Study of Masataka Taketsuru

Review 2

If a substance melts at -100°C and boils at -50°C, what state will it be in at room temperature?

What is the correct definition for a 'mixture'?

Which separation technique is used to separate soluble solids from a solution?

How is melting/boiling point different between pure and impure substances?

Which separation technique is used to remove insoluble solids from a solution?

Which of the following pieces of equipment are necessary for carrying out filtration?

Which of the following is the correct description for 'filtering'?

Which state of matter can be described as being able to flow, change shape to fill its container and cannot compressed?

What is distillation used for?

What is a 'solute'?

Which of the following is the correct definition for 'solubility'?

What is a solvent?

What does distillation separate liquids based on?

What is meant when a solution is described as being 'saturated'?

What happens to the arrangement of particles during freezing?

What is the name given to the technique that can separate solutes from a mixture based on their solubility?

Why must the chromatography baseline be drawn in pencil and not pen?

Which change of state turns a liquid into a gas?

Which change of state turns a gas into a liquid?

Which statement best describes the movement of particles in a liquid?

How would the movement of particles in a gas be described? (Choose 2 answers)

Which of the following is a property of a liquid?

In which state of matter do the particles have a regular arrangement?

Why are we able to compress gases?

In which states of matter can diffusion happen?

Why can't diffusion happen in solids?

What will an increased temperature do to the rate of diffusion?

Lesson overview:Gas pressure

Particles: