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One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
The diagram shows a rectangular metal sheet close to two rulers. What is the area of the metal sheet?
A ball falls from rest through the air towards the ground. The diagram shows two forces acting on the ball. As the ball falls, the air resistance increases. Which statement is correct?
Refer to the diagram for the question.
A measuring cylinder contains 40 cm3 of water. A solid metal ball is dropped into the water and the water level rises to 56 cm3. The mass of the ball is 80 g. What is the density of the metal from which the ball is made?
A car travels along a horizontal road at constant speed. Three horizontal forces act on the car. The diagram shows two of these forces. What is the size and the direction of the third horizontal force acting on the car?
Which row describes an advantage and a disadvantage of wind turbines?
An electric motor provides 900 J of useful output energy. The efficiency of the motor is 60 %. How much electrical energy is supplied to the motor?
A crane takes 2.0 minutes to lift a 500 kg load to the top of a building that is 12 m high. What is the useful power developed against gravity by the crane?
A skier is standing still on a flat area of snow. The weight of the skier is 550 N. The total area of his skis in contact with the ground is 0.015 m2. What is the pressure exerted on the ground by the skier?
Refer to the diagram for the question.
When pollen grains in water are viewed through a microscope, they are seen to be in continuous, rapid random motion. What causes a pollen grain to move in this way?
A student measures the mass of warm water in an open container over two minutes. The container is kept at a constant temperature. The results are in the table. Why does the mass of the water change?
Metals are good thermal conductors. Insulators are poor thermal conductors. Which description of the mechanism of thermal conductivity is correct?
Refer to the image for the question.
A boy jumps into an indoor swimming pool. He notices that the water appears to get colder as he goes deeper underwater. This is due to convection. Which statement is correct?
The diagrams show examples of wave motion. Which waves are longitudinal?
Which diagram shows how the light from a candle is reflected by a mirror, and shows the position of the image formed?
Four objects are moving along a straight line. The distance of an object from a fixed point on the line is plotted against time for each object. Which object is decelerating?
A metal has a density of 8.0 g / cm3 . A solid cube of mass 1.0 kg is made from this metal. How long is each side of the cube?
A force F acts on a body and the body moves a distance d in the direction of the force. Which expression for the work done W is correct?
A boy produces an average power output of 60W as he rides his bicycle for 2.0 minutes. How much useful energy does he expend?
The diagram shows a stone suspended on a string under the surface of a liquid. The stone experiences a pressure caused by the liquid. What would increase the pressure on the stone?
At room temperature, iron is difficult to compress. At the same temperature, oxygen is much easier to compress. Which comparison of the structures of iron and oxygen explains this?
The handle of a metal saucepan is made of plastic. As the saucepan heats up, the handle gets warmer. Which statement explains this?
The metal surface of a kettle is hot. What happens to the cool air outside the kettle when it comes into contact with the hot kettle?
Vacuum flasks usually have silvered walls that help to keep the contents of the flask hot. Why are the walls silvered?
Which conditions are necessary for light to be totally internally reflected?
Refer to the diagram for the question.
An observer stands at the finish line of a 100 m race. He wants to time the winner’s run. He starts his stop-watch as soon as he sees the smoke from the starting gun instead of when he hears the bang. What is the reason for doing this?
An object decelerates from 25.0 m / s to 5.0 m / s in a time of 4.0 s. It has a mass of 50 kg. What is the resultant force on the object?
Which statement about the mass and the weight of an object is correct?
What is the main process by which energy is released in the Sun?
A crane on a construction site lifts concrete beams. The useful work done by the crane is 4000 kJ in a time of 160 s. What is the useful output power of the crane?
A submarine is in water of density 1.0 × 103 kg / m3. The submarine changes its depth. This causes the pressure on it to change by 0.10 MPa. What is the change in depth of the submarine?
An oil tank has a base of area 2.5 m2 and is filled with oil to a depth of 1.2 m. The density of the oil is 800 kg / m3. What is the force exerted on the base of the tank due to the oil?
Four thermometers, with their bulbs painted different colours, are placed at equal distances from a radiant heater. Which thermometer shows the slowest temperature rise when the heater is first switched on?
A tank contains water. Ripples are produced on the surface of the water. What causes the ripples to refract?
Light travels at a speed of 2.0 × 108 m / s in a glass block. In the glass, the wavelength of the light is 4.0 × 10–7 m. What is the frequency of the light?
Refer to the diagram for the question.
Which statement about the mass of an object is correct?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Acceleration
40 questions
