Vertebrates and invertebrates
What are vertebrates?
Beings with internal skeleton and spine
What is the name of the change from liquid to solid
freezing / solidification
What type of change occurs when you cut a paper?
Physical change
Give 1 example of a natural light source
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The ecosystem is conformed by _________ and _________ things.
living, nonliving
What are invertebrates?
Beings with no internal skeleton or spine
Give an example of evaporation
. . .
What type of change occurs when you burn a paper?
Chemical change
Give 2 examples of transparent objects
...
Ecosystems have individual, population and ____________
community
Mention 2 animals with exoskeleton
spiders, crabs, cockroaches
When you leave ice in the sun is an example of:
...
Chemical changes are irreversible, what does this mean?
That it can't go back to its original form
Give 2 examples of artificial light sources
...
A food chain has producers, consumers and ____________.
Decomposers
Octopus, worms, jellyfish, etc.
What is condensation?
When gas transforms to liquid
What is the meaning of reversible?
That something can go back to its original form
Materials can be transparent, translucent or __________
opaque
Carnivores
Point at 3 different joints of your body
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Give an example of condensation
. . .
Mention 2 signs of a chemical change
Smell, change in color, change in temperature, production of gas
Give 3 examples of translucent objects
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Give an example of a food chain
...