Pythagoras' Theorem and Square Numbers
Mixtures
Shapes
Newton's Laws
The Digestive System
100
How many square numbers are there between 0 -50 ?
There are 7 square numbers
100
A mixture in which a transparent solution results is called a _________________?
Homogenous mixture
100
Name the 3 types of triangles with regard to lengths of sides.
Scalene , Isoceles and Equlateral triangles
100
'A satellite launched into outer space continues to move in a straight line forever, unless attracted by the gravitational pull of a planet'. Which of Newton's 3 laws is expressed here?
Newton's first law
100
Which mineral is milk, cheese and butter rich in?
Calcium
200
What is the square root of 625?
The square root of 625 is 25
200
Oil and water are immiscible. What does the term 'immiscible' mean?
Does not mix
200
Name the shape of the building shown in the picture
Parallelogram
200
A magnetic north pole attracts a south pole. This is an example of which of Newton's 3 laws?
Newton's Third Law
200
Which health benefit is linked to eating enough fibre?
Prevents constipation
300
What is the hypotenuse of a right angled triangle and where is it located ?
The hypotenuse of a right angled triangle is the longest side and is also located opposite the right angle.
300
Is chalk and water a homogenous mixture?
How can this mixture be separated?
No
Filtration
300
Which polygon has 6 sides ?
Hexagon
300
A body falling to earth will accelerate at 10ms-2. This expresses Newton's 2nd law. State Newton's 2nd law.
The rate of change of momentum is directly proportional to the applied force and takes place in the direction in which the force acts.
300
What is the definition of anorexia nervosa?
A disorder where a person refuses to eat enough food because of fear of gaining weight.
400
A ladder is leaning on a wall as shown above. Find the distance from the bottom of the wall to the base of the ladder
The distance is 5 meters.
400
A solution of salt and water can be separated by evaporation, but if you wanted to retrieve both the water and the salt, what apparatus will you use?
Is heat required in this process?
Simple distillation apparatus
Yes
400
Name 3 properties of a trapezium
1) 1 Pair of parallel sides
2) Diagonals do not bisect each other
3) Lengths of both diagonals equal
4) Sum of adjacent angles are supplementary
400
Newton's 1st law is commonly called the 'law of inertia'. What does the word ' inertia' mean?
Reluctance of a body to start moving if at rest or stop moving if it is in uniform motion.
400
Which organ does not secrete digestive enzymes?
Oesophagus
500
An observer stands 24 meters away from an object that is at a height of 7 meters. Find the distance of the line of sight.
The distance of the line of sight is 25m.
500
A solution of ethanol and water have boiling points that are similar. How can a mixture of ethanol and water be separated?
Which substance will be retrieved first? Ethanol or water?
Fractional distillation
Alcohol
500
What is the area of a trapezium ?
1/2 (sum of parallel sides) * perpendicular height
500
A donkey can pull on a cart with constant velocity if the forward pull of the donkey overcomes the ___________________________.
Which law is this referring to?
If the donkey is spooked, and his velocity changes, which law explains this motion?
The backward pull of friction on the cart.
Newton's first law
Newton's second law
500
What is the best definition of “assimilation” in the human body?
The process of using absorbed nutrients to build and repair body cells.