Rock Cycle and Fossils
What are the 3 types of fossils?
Mold fossils, trace fossil, true form fossil
Define ecosystem
An ecosystem is how all living things interact in a specific habitat
What is the male part of a plant called?
Stamen
Am I describing a solid, liquid, or gas: It can be weighed, it occupies space, it does not have a fixed shape, it has a fixed volume, and it cannot be compressed
Liquid
A physical change is also called a _____ change
Reversible
True or false: Fossils can be found in igneous rock
FALSE! Any fossils would melt if exposed to that much heat
What is the difference between a food chain and a food web?
A food chain shows only one line of how energy is transferred; a food web shows multiple food chains
What is the female part of a plant called?
Stigma
Define solubility
the ability of a substance to dissolve into another substance
How can you separate an iron nail from copper irons?
Use a magnet: the iron nails will go to the magnet
How is sedimentary rock formed?
Small pieces of rock get chipped away over time, oceans and rivers carry the pieces. Over time, the pressure makes the rock pieces combine
Define producer, consumer, and decomposer
A producer is how food chains begin. They get their energy from the sun (plants)
A consumer is anything that eats another organism
A decomposer is something that breaks down dead organisms
What is the role of the anther?
Produce pollen
Define luster
the ability to shine
Name 3 signs of a chemical change
Changes in presence of light, flammability, reacting with water/acids, Decomposing/rotting, producing a gas, absorbs or releases heat
How is metamorphic rock formed?
Sedimentary rock gets exposed to intense heat and the pressure fuses together
What do the arrows in a food chain show us?
Which direction the energy is being transferred
Name an example of a plant that self-pollinates
Peanuts, orchids, peas, sunflowers
Which is the most malleable: paper, a desk, or a tree? And why?
paper because it can be rolled or pounded into other shapes more easily
True or false: If an object is heavier or more denser than the water it is placed in, the object will sink.
True
How is igneous rock formed?
Metamorphic rock is exposed to even more extreme temperatures. It melts, and then recools into an igneous rock
Possible answer: Algae --> Plankton --> Krill --> Cod --> Seal --> Polar bear
Name 3 seed dispersal methods and explain how they work
Wind, water, explosion, animals
In a given amount of volume, if we have more matter, we say that it is ______
denser/more dense
If my mass is 45 kg on earth, about how much will it be on the moon?
45 kg! Mass is independent of gravity, so it is the same no matter where you are