How many days are there in a leap year?
366
Where are chromosomes found in most plant and animal cells?
Nucleus
What is the name of the positively charged particle in an atom?
Proton
What is the name of the galaxy that contains our Solar System?
Milky way
What is the formula for calculating average speed?
Speed = distance ÷ time
Which country is home to the ancient city of Machu Picchu
What two components form the sides of the DNA double helix
Sugar and phosphate groups
How many electrons does a neutral atom have if it contains 17 protons?
17
What does a star's spectral class tell astronomers most directly
Surface Temperature
A cyclist travels 80 metres in 10 seconds. What is their average speed?
8 m/s
What is the only continent located in all four hemispheres
Africa
If a body cell contains 36 chromosomes, how many chromosomes will its gametes normally contain?
18
Why are noble gases generally unreactive?
because they have a full outer electron shell
What does a lower apparent magnitude indicate about a star
It appears brighter
A car travels at 4 m/s for 10 seconds. How far does it travel
40 Metres
Which mathematician is famous for the theorem about right-angled triangles?
Pythagoras
In a cross between two heterozygous black-fur rabbits (Bb × Bb), what is the expected phenotype ratio?
3 Black (75%), 1 white (25%)
What is the electron arrangement of an atom with 11 electrons
2,8,1.
What is the difference between an astronomical unit and a light-year
An AU is the average Earth–Sun distance; a light-year is the distance light travels in one year
A scooter accelerates from 3 m/s to 15 m/s over 4 seconds. What is its acceleration?
3 m/s²
What is the deepest known point in Earth's oceans called?
Challenger Deep
Explain how natural selection can cause pesticide resistance to become more common in an insect population.
Resistant insects surviving, reproducing and passing resistance alleles to their offspring over generations
Complete and balance this equation: AgNO₃ + NaCl
AgNO₃(aq) + NaCl(aq) → AgCl(s) + NaNO₃(aq)
What evidence from distant galaxies supports the idea that the universe is expanding?
Redshift
A car slows from 22 m/s to 10 m/s over 6 seconds. What is its acceleration?
−2 m/s²