Grade 8 S2M1 Cambridge Revision

A sample of element Y is shiny and can be shaped by hammering. Which row of the table corresponds to the properties of element Y?

• A

• B

• C

• D

The graph below shows the melting points of some metals and non-metals across the Periodic Table. Which elements are metals?

• Na, Mg, Al

• Al, Si, P

• Si, P, S

• S, Cl, Ar

An experiment was conducted to determine the density of the Object below. The mass of an object was 3 g while the volume it occupies is 1 mL. What is the density of the object?

• 1 g/mL

• 2 g/mL

• 3 g/mL

• 4 g/mL

The diagrams below show some of the uses of Iron. In which of these uses is iron most likely to rust?

• A

• B

• C

The diagram below shows the cells in our blood. What is the function of Q?

• It helps blood clot

• It helps bring oxygen to body cells.

• It helps fight infection

• It helps by producing antibodies.

Water and mineral salts will be transported from the stem to the leaves of a plant via the transport tissue. The diagram below shows the cross-section of a leaf. Name the vessel labeled X.

• Xylem

• Phloem

• Root hair cells

• Guard Cells

The figure below shows a section of the human heart. Name structure W.

• Pulmonary Artery

• Left Atrium

• Right Atrium

• Left Ventricle

Matthew brought a magnet near sulfur power and tin fillings. The table below shows his observations. What can we conclude based on this result?

• Both magnets are strongly magnetic.

• Tin is not magnetic while Sulfur is magnetic.

• Neither of the two magnets are magnetic.

• Tin is weakly magnetic while sulfur is not magnetic.

A student heated some liquid water. He recorded the temperature of the water every minute. He plotted a graph of his results. Name the change of state that is happening between the third and sixth minutes.

• solid to liquid

• liquid to gas

• gas to liquid

• solid to gas

The bar chart shows the melting points of some elements. Each element is represented by a letter. The letter is not the chemical symbol of the element. Give the letters of three elements on the bar chart that are least likely to conduct electricity.

• A, D and E

• B, C and F

• A, B and C

• D, E and F