Science Flashcards
1
Q
what do plants compete for? (4)
A
light, water from soil, minerals from soil
2
Q
what is the difference between intraspecific and interspecific
A
intra - competition between same species
inter - competition between different species
3
Q
ethanol is flammable - how can you heat it safely without using a naked flame
A
hot water bath
4
Q
Describe an ionic bond
A
The electrostatic attraction between positive metal ions and negative non-metal ions
5
Q
what is heat?
A
the amount of thermal energy an object has
6
Q
what is temperature
A
how hot or cold an object is
7
Q
what is the cooling effect of precipitation
(3)
A
- water particles gain energy from the skin
- more energetic particles escape
- less energetic particles remain
