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We learned that worms are decomposers
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We learned that biotic things are living or come from living things and abiotic are dead or not liveng
(Example: the penguins would be biotic and the dirt that they are standing on would be abiotic) -
we compared 3 different things
(Example: the 3 things in the picture above are nazgul, witch king, and the witch kings sword. the 1.witch king is like the nazgul because they are both organisims 2. the witch king is like the sword because they are both not living. 3. the nazgul is like the sword because they are both used in battle 4. they are all alike because they are all in the lord of the rings. -
for each level of consumer the ammount of energy is lost by 90% due to heat
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we compared different items to see how they were all alike
2 ways we compared the things were that they were all circles and they were all things you could find in mr woods closer -
some chimcal properties of a clock is that it is flamable it is it would be affected by acid
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wind is a physical property becouse it is coused by atmospheric pressure and pressure is a physical property
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how can you tell what chemical properties a substance has
reactivity and flamibility -
it can be a phase change color and other stuff.
example: the witch king was once a living person but now he is undead and he looks different and is a different color so it is a physical change. and possibly a magical change -
gas is when 2 substances are mixed
physical is usually when something boils -
today i learned that if you get alchohal and toch it with electricity it will explod
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electrons around atoms move about as fast as the speed of sound
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make sure that you have more protons than you have electrons
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electrons determin a ion because it dosent change the element and has a negative charge. and a nutron makes an isotope because it has no charge.
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what do the columms mean?
they tell you how many electrons are in the last layer.
