end of year 8 science test Flashcards
1
Q
What is the pressure exerted by a man standing on one leg?
A
Twice the pressure he exerts when standing on two legs
2
Q
What is a habitat?
A
The place where an organism lives
3
Q
What is at the centre of the Earth?
A
The core
4
Q
Which type of rock never contains fossils?
A
Igneous rock
5
Q
what way are the are magnetic poles facing?
A
North and south
6
Q
What happens to the bronchioles during an asthma attack?
A
The muscles in the lining contract
7
Q
Where is most digested food absorbed?
A
In the small intestine
8
Q
What are the reactants of photosynthesis?
A
Carbon dioxide and water
9
Q
What is the correct unit for energy?
A
Joule
10
Q
How have humans developed so many varieties of dog?
A
Selective breeding
