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Students calculate an exact square root and estimate approximate square roots by finding the length of the square flower bed of a given area, and give an explanation for their answers.

This task requires students to develop questions about their local geology and name possible information sources.

Task: Predict, observe, and explain where a piece of wood floats in a container of water and oil. Assessment focus: flotation related to density; explaining predictions.

Students construct three different sized parachutes from plastic bags. They then carry out a fair test to see which sized parachute is the most effective. Students answer questions about fair tests, collect and record their results, and make a conclusion.

Students explain the function of the veins, waxy layer of the upper surface of the leaf, how the shape of the leaf traps light energy and why the upper surface of the leaf is a darker green than the lower surface.

Students interpret two cartoon-style drawings of the enhanced greenhouse effect and write a short description of the artist’s message, as they see this.

For this practical task students are assessed on their ability to record their observations of the decomposition of a cut slice of pumpkin over a two week time period.

Task: Investigate mass required to lift a small rock when changing distance from pivot. Assessment focus: levers.

Task: Use written text and pictures to explain how the special features of Old Man's Beard help it survive. Assessment focus: identifying how the special features help this plant to survive.

Task: Answer questions about how a seesaw works and use an equation to calculate how to balance the seesaw.

Task: Answer a multiple choice question. Assessment focus: displacement.

Students demonstrate their understanding of a graph showing the relationship between the cost of different bottles of drink and the amount each bottle contains. They then explain which bottle of drink is the best value for money paid.

Students read a story 'The Gift' and answer questions about comprehension, point of view and inference.

Answer questions about rubbish picked up on a beach, and suggest reasons why plastic is the most common rubbish.

Task: interpret data from a table and complete two calculations. The context is balancing a see-saw. Assessment focus: using a scientific formula to identify trends.

Students perform calculations in standard form.

Students are given an outline of an investigation on metal corrosion and a graph of some results. Students' ability to interpret the graph and knowledge of fair testing is assessed via short answer questions.

Task: Interpret the information on a chart to provide evidence of the likely cause of oxygen deficiency. Assessment focus: interpreting data.

For this practical students are required to investigate how the use of pulleys affects the effort force needed to raise a load. Students gather results, write a conclusion, and describe two situations in which a pulley system would be useful.

Students review their knowledge of greenhouse gases and the effects of global warming. They identify areas where they are unsure, as well as things they know.

For this NEMP task students perform calculations using fractions and mixed numbers.

In this practical task, students work in small groups to present a dance based on geometric concepts.

Students formulate questions about glaciers and climate change to show awareness that informed opinions are based on inter-related aspects of evidence rather than individual instances.

This task assesses student ability to find the text features of an explanation of a scientific idea.

Students write a report on a table of data and make recommendations from their report.