Which are the separaring methods?
Evaporation, sieving, filtration, by hand, magnetism.
What is the boiling point of water?
100°C
What is a solution?
A mixture of a soluble solid and a liquid.
What is the melting point of water?
0°C
Name the process that changes water into vapour.
Evaporation
Which are the 5 senses.
sight, hearing, touch, smell and taste
Which are the 7 life processes?
nutrition, movement, growth, reproduction, respiration, excretion, sensitivity
Which are the steps in the plants life cycle?
germination, growth, pollination, fertilization, seed dispersal
How do muscles work?
They work in pairs, when is contracted the other one relaxes.
Which are the 3 laws of motion?
Inertia, force and action-reaction.
How does sound travel?
As waves, it can bend and it spread in all directions.
Name 5 measuring instruments.
measuring cylinder, ruler, sound level meter, forcemeter, balance
How are shadows formed?
Light from a light source is blocked.
How long does it take to the Earth to make one complete rotation on its axis?
24 hs
How do plants fertilise?
When ovules and pollen get together.
How do we classify living things?
vertebrates and invertebrates, amphibians, reptiles, birds, fish, animals and plants, mammals
