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Using the principles of fair testing, students identify four factors that could affect the time it takes for electric jugs to boil water.

Students describe what makes two boats move and change direction.

In this practical task students predict, and then measure the temperature of water from a range of familiar sources.

Task: Explain how to use the magnet to remove a drawing pin out of a glass of water without putting the magnet in the glass, touching the glass with hands, or spilling the water. Assessment focus: using knowledge of magnetism to solve a problem.

Students use the term force to explain why a heavier hammer could drive nails into denser material and explain density.

Students are asked to explain why the Southern Cross appears not to be in the same place in the night sky that it was a few months previously.

Students explain two ways to make salt dissolve faster when in cold water.

Students are given information and a diagram about a drink bottle overflowing when it had been put into the freezer. Students are asked to explain why this happened and how they could prevent it.

In this practical task students investigate the effect of temperature on viscosity. Students describe and explain what has happened.

Students state whether each of nine common objects are transparent or opaque.

Students outline four tests they could do to find out if a newly described substance is a metal.

Drawings of four different seeds are provided. Students explain how each seed is dispersed.

Students give two reasons why it is an advantage for a porcupine fish to inflate its body and have its spines stick out when it is in danger.

Task: Label a diagram. Assessment focus: relative positions of Earth and Sun for each season.

Students are provided with a diagram and asked to identify the type of geological process that it represents. Students are also required to explain what happened.

This resource assesses students' understanding of erosion. Students order a set of diagrams showing the process of erosion in a river and write an explanation of how cliff erosion occurs by the sea.

Data from a test of comparative strengths of different magnets is provided. Students graph the data and make a conclusion.

Students are asked to give a useful property for each of four materials used in different situations.

Students select which type of sugar would dissolve fastest and explain why.

This NEMP task assesses knowledge about plants and animals.

Task: Describe problems caused by cutting down trees on a bank. Assessment focus: erosion.

Students interpret a table of children's votes for their favourite All Black to answer questions about chance.

Students are asked four short questions that require them to use a table that contains a count of the kind of books borrowed from a library for a month.

Students answer two questions about preventing erosion and flooding by a river.

Students use provided symbols to write formula and to draw diagrams of different compounds.