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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.
Which organelle controls the activities of an animal cell?
Which structure controls what enters and leaves an animal cell?
Where do most chemical reactions and cellular processes take place in an animal cell?
Which organelle is responsible for releasing energy through respiration?
Which of the following is NOT part of a standard animal cell?
What is the continuous movement of water on, above, and below Earth's surface called?
What drives the continuous movement of water in the water cycle?
What is the process where liquid water turns into water vapour due to solar heat?
How do plants release water vapour into the atmosphere?
What are the tiny pores on plant leaves through which water vapour is released called?
What process occurs when rising water vapour cools and turns into liquid droplets forming clouds?
Rain, snow, sleet, and hail falling to the Earth's surface are forms of what?
What is water called when it seeps into the soil and rocks to refill underground stores?
Water that flows over the land surface into streams, rivers, and oceans is known as what?
Which sequence correctly orders the stages of the water cycle?
What is gravity defined as?
How does increasing the mass of an object affect its gravitational pull?
Why does Earth have a stronger gravitational pull than the Moon?
How does increasing distance affect gravitational force between two objects?
In what direction do all planets orbit the Sun?
Which statement about the orbital plane of planets in our solar system is correct?
Which two planets are EXCEPTIONS because they do NOT spin counter-clockwise on their axes?
Where do stars begin to form in space?
What is a nebula made of?
What force causes particles inside a nebula to gather together to form stars?
What is the approximate strength of gravity on the surface of the Sun?
Why does Mercury orbit the Sun faster than any other planet?
What is the relationship between a planet's distance from the Sun and its orbital speed?
What causes tides on Earth?
Why does the Moon have a greater effect on Earth's tides than the Sun?
Which side of Earth experiences high tide?
What causes an exceptionally high spring tide?
During which Moon phases do spring tides occur?
When does a solar eclipse occur?
What shadow phenomenon causes a total solar eclipse?
When does a lunar eclipse occur?
What falls on the Moon during a total lunar eclipse?
What energy transformation takes place in an electric cell?
What is a battery technically defined as?
What is electric current defined as?
What is required for electric current to flow continuously?
In conventional current description, in which direction does current flow?
In reality, in which direction do electrons actually flow?
What happens in a circuit when a switch is OPEN?
Which device is used to measure electric current?
What is the circuit symbol for an ammeter?
What is the function of a buzzer in an electrical circuit?
How does current change when electrons move more quickly?
What defines a series circuit?
How does current behave at different points in a series circuit?
What happens if a wire breaks at any single point in a series circuit?
What material is known as the most conductive metal?
Which metal is most commonly used for electrical wiring?
What is an electrical insulator?
Which of the following group contains ONLY electrical insulators?
What happens to current in a series circuit when you ADD more cells?
What happens to current in a series circuit when you REMOVE cells?
What happens to the brightness of bulbs when you ADD more lamps in a series circuit?
Why does current decrease when more lamps are added in series?
What happens to current in a series circuit when you REMOVE a lamp?
What is cellular respiration?
Which cellular organelle carries out aerobic respiration?
What type of respiration requires oxygen to break down glucose?
What is diffusion?
Where does gas exchange take place in the human respiratory system?
What is another name for air sacs in the lungs?
Which blood vessels wrap around the alveoli to allow gas exchange?
By what process does oxygen move from alveoli into blood capillaries?
What protein in red blood cells binds with oxygen?
Which air contains a higher concentration of carbon dioxide?
What liquid reagent is used to test for the presence of carbon dioxide?
What visual change indicates that limewater has reacted with carbon dioxide?
What are the reactants required for aerobic respiration?
What are the waste products of aerobic respiration?
What is the correct chemical word equation for aerobic respiration?
Which statement correctly distinguishes breathing from respiration?
What is the pale yellow liquid component of blood that carries cells and dissolved nutrients?
What structural feature is absent in mature red blood cells?
What is the primary function of red blood cells?
What compound is formed when haemoglobin combines with oxygen?
What is the main function of white blood cells?
What is an unsaturated solution?
How does a concentrated solution compare to a dilute solution of the same volume?
What is solubility defined as?
How does increasing temperature generally affect the solubility of a solid solute?
Using particle theory, why does higher temperature increase solubility?
What is an unbalanced force?
What effect does an unbalanced force ALWAYS produce on an object?
Which of the following is an example of an unbalanced force?
What is the definition of speed?
What is the standard SI unit for speed?
What is the formula to calculate speed?
If a train travels a distance of 2000 m in 200 s, what is its speed?
If a train travels 2000 m on its return journey in 100 s, what is its speed?
On a distance-time graph, what does a horizontal flat line indicate?
What is the turning effect of a force called?
What is the formula to calculate the moment of a force?
What is the standard unit for moment?
A weight of 20 N is held at a distance of 0.25 m from the elbow pivot. What is the moment?
To balance a seesaw, what condition must be satisfied?
Marcus weighs 600 N and sits 2 m from a seesaw pivot. Arun weighs 800 N. Where must Arun sit to balance it?
What is pressure defined as?
What is the formula for pressure?
What unit is pressure measured in when force is in Newtons and area is in cm²?
A bicycle and rider have a total weight of 1000 N supported equally on two tyres. Each tyre has an area of 5 cm². What is the pressure exerted by each tyre?
Why do sharp knives cut objects more easily than dull knives?
Why does a syringe needle pierce skin easily during an injection?
Why is a metal bottle crushed when air inside is pumped out?
Why does a balloon expand when air is blown into it?
How does pumping more air into a car tyre help it support a heavy vehicle?
What happens to gas pressure inside a rigid container when it is heated?
How do cooking smells spread throughout a room?
What happens when a drop of dye is placed into a beaker of water?
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.
16 questions
