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WorksheetsSweet Sciences
Total questions: 18
Worksheet time: 16mins
Which characteristic of living organisms involves chemical reactions in cells that break down nutrient molecules and release energy?
Excretion
Nutrition
Respiration
Sensitivity
The diagram shows a cell as seen with a microscope. Which label is correct?
A
B
C
D
Imagine you carry out vigorous exercise for 10 minutes. Which statements are correct for what happens during the exercise?
The pulse rate increases
Blood vessels turn bigger
The deph of breathing increases
The rate of breathing increases
Which diagram represents particles in a gaseous element?
A
B
C
D
Period 3 of the periodic table is shown. Which statement about these elements is correct?
All the elements are metal
All the elements are non-metals
Metallic character decreases from Na to Ar
Proton number decreases from Na to Ar
The word equation for the reaction between hydrogen and copper oxide is shown. Which substance, shown in the word equation, is reduced in the reaction?
Copper
Copper oxide
Hydrogen
Water
A vehicle is taken from the Earth to the Moon where the gravitational field strength is smaller. How do the mass and the weight of the vehicle on the Moon compare with their values on the Earth?
Smaller mass and smaller wieght
Smaller mass and same weight
The same mass and smaller weight
The same mass and the same weight
Two forces act on an object as shown. What is the resultant force on the object?
14 N to the left
14 N to the right
18 N to the left
18 N to the right
The image shows the part of an insect-pollinated flower State the letter that identifies the part where fertilisation occurs
(a)
The image shows a photomicrograph of blood. State the letter for red blood cell
(a)
The image shows a speed-time graph for the horizontal motion of a football after being kicked. State the horizontal speed of the ball as it leaves the player's foot.
(a)
The drawing shows a group of people keeping warm by the campfire and playing musical instruments. State the process that causes the hot smoke to move upwards from the fire.
(a)
Copper is extracted from copper oxide by heating with carbon. Complete the balanced equation for the extraction of copper.
(a)
The figure given shows part of a food web. Identify TWO tertiary consumers
(a)
Methane (CH4) is the main constituent of natural gas. Complete the word equation for the complete combustion of methane
(a)
The image shows an electrical circuit. The potential difference across the loudspeaker is 9V, the current in the loudspeaker is 1.5A.
CALCULATE the resistance of the loudspeaker. Include the unit in your answer
(a)
Write P, Q, R or S in each gap to complete the sentences about the forces acting on the plane.
The weight of the airplane, ...... , is balanced by force ....... acting in the opposite direction.
When force ...... is greater than force ...... , the airplane accelerates along the runway
(a)
The pulse rate of a person increases during exercise. After exercise, the pulse rate returns to its normal (resting) level. The time taken for the pulse rate to return to its resting level is known as the recovery time. Plan an investigation to determine the relationship between recovery time and the age of a person.
