Biology 1
What are all living Micro-organisms made of?
Cells
The word for saying how things behave.
Properties
(Coursebook p68)
Which type of particals cannot flow?
Solid
What are the 4 different forces?
Push, pull, stretch, turn
What do energy in the wires carry?
Electrical Energy
What is the name of diseases that are caused by micro-organisms?
Infectious diseases
Dilute acids are ____
Harmful or irritant
What would happen if water vapour touches someting cold?
It condenses and changes back into liquid water.
(Course book p72)
When forces cancel each other out, the forces are ___________
Balanced
Name 1 example of heat energy, 2 example of kentic energy
What are the characteristic of Crustaceans?
1. Tough exoskeleton
2. More than four pairs of jointed legs
3. Two pairs of antennae
What is neutralisation?
When same amount of acid and alkali are mixed.
Why does solid have a fixed shape?
The particals are tightly packed and held together strongly
(Course book p70)
What do we measure energy in?
Joules
What do the 5 waundering planets do?
The five stars that change positions are called the wandering planets.
What do plant cell in light contain?
Chloroplasts
What are strong acids called?
Corrosive acids
How do the particals of a liquid behave when they are heated?
They evaporate and eventually boil.
(Course book p75)
Weight is measured in _________
Newtons (N)
How many weeks does it take for the moon to change from new moon to full moon?
It takes about 2 weeks for the moon to change from new moon to full moon.
Three things in animal cells
cellmembrane
cytoplasm
nucleus
When solid are heated, they___________________
expand / vibrate more / take up more space
(Course book p75)
Becoming liquefied by heat.
What is melting?
What is Contact forces?
The floor pushes upwards on us with a force.
What is the Heliocentric Model about and who invented it?
Sun at the centre: Heliocentric Model by Nicolaus Copernicus.