GCSE Physics – Matter – 1 – Exam Style Questions with Answers

Radiation comes from the nucleus of an atom that is unstable.
An alpha particle is a helium nucleus.
What is a beta particle?

Calculate the volume of 1,000 kg of iron in the solid state.

The state of water is affected by temperature.
Water freezes and becomes ice at 0 °C.
The density of liquids is also affected by temperature.
Look at the graphs for oil and water.
Describe how the density varies with temperature for oil

Roxanne experiments with different liquids from the table.
She has two identical beakers and puts one litre of water into each of them.
She puts one litre of oil into beaker A.
The oil floats on the water because of their densities.
Roxanne puts one litre of another of the liquids into beaker B.
The liquids do not mix together.
Look at the diagrams (Figure 1)
Which beaker of liquids is heavier, A or B?

What happens to a nucleus when a beta particle is emitted?