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Students increase and decrease quantities by given percentages.

Students complete statements which explore the relationship between scale factor enlargements and length, area, and volume of 2 and 3 dimensional shapes.

Students calculate the size of marked angles using their knowledge of angle properties: the angle between a tangent and a radius, the sum of angles in a triangle and the sum of angles in a quadrilateral.

Students use diagrams of two boxes with given dimensions to calculate the volume of both boxes and the number of smaller boxes that could fit into one of the boxes.

Students choose the best statement from five options to describe the probability of receiving notes and coins in a board game.

Students write standard form numbers in ordinary form.

From two different street sign pictures and their enlargements, students are to identify the scale factor of each enlargement and either a missing length or the missing factor when enlarging the area.

Explain how to test if a solution is an acid or not, and describe and explain what happens if rusty nails are put in an acid. Assessment focus: acid reactions.

Students share total numbers of objects according to some given ratios in a variety of contexts.

Task: Select the corect term for stored energy, identify the type of stored energy of three examples, and describe energy transformations. Assessment focus: potential energy.

This task requires students to calculate the size of angles using their knowledge of angles and parallel lines: alternate angles, corresponding angles and co-interior angles. Understanding of adjacent angles on a straight line is also required.

Students answer a multiple choice question about what happens when a magnetised object is cut in half, and then draw the lines of the magnetic field around two magnets.

Using information about comets, students label a diagram of a comet and draw the orbit of a comet and the position of the comet in two places in its orbit.

Students are provided with a star map showing the path of comet Haley-Bopp 1997. Students use this map to answer three questions.

Students are given diagrams representing the three states of matter. Students answer four questions relating to these.

Task: Plan a fair test to see if adding salt water to water affects how long it takes to freeze. Assessment focus: managing variables.

Students outline a test they could do to show if a substance is a metal or not.

Task: Answer questions about how a thermometer works. Assessment focus: expansion of water on heating.

Task: Answer questions about the relationship between mass and stretch. Assessment focus: graph interpretation.

Task: Answer questions about relationships between mass and stretch. Assessment focus: identifying patterns in data.

Information on particle size and boiling point is provided for three alcohols. Students use this to place these substances in order of particle size and increasing boiling point.

Students answer questions about the materials that pass through the placenta between the mother and the baby.

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 view a set of images to answer questions about the camera angles used and the effects these create. Students also suggest sound effects and dialogue for the images.

Students calculate the distance travelled by the tips of the hands on a clock, and calculate the speed of one of the tips.