Force that opposes motion in the opposite direction...
200
Clownfish,eels,and jellyfish
What animal lives in the coral reef? Name three animals
200
It is natural selection
What kind of theory of evolution?
200
cu
What is symbol for copper?
200
The deeper it is in the ground shows that it's older.
How can you tell which fossils are older?
200
Inertia
The force that keeps an object moving unless interrupted...
300
It will affect the entire food chain.
What happens when one animal becomes extinct?
300
In Africa, about 6 million years ago
Where did the human evolution start, and about how many years ago?
300
hydrogen peroxide it cleans baterica
What is H2o2 stand for? what does it do? what is it for?
300
Textures
What is the feel of a rock surface?
300
both will hit the floor at the same time
Suppose you drop a golf ball and a bowling ball from the Empire State Building. Which hits first?
400
Marine Biome
What biome does a narwhal live in?
400
Hominins
Early humans were called...
400
Iron
What element is FE?
400
sedimentary rocks
What is the type of rocks that form in layers?
400
Power is the energy being generated or consumed.
What is the difference between energy and power?
500
For food, because food is the energy they need to survive
Why do organisms interact with their ecosystem?
500
The tree of life is the concept of biological evolution explaining the way all living things evolved over billions of year from a single common ancestor.
What is the tree of life?
500
titanium., neon, and krypton.
Name 3 elements that are liquid?
500
Ignious rocks
What type of rocks are created from immense heat?
500
When you swing the hammer it gives kinetic energy, so it makes a great impact, unlike your hand.
Why is it possible to drive a nail into a piece of wood with a hammer and not your hand?