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Forces and Interactions Gravity and Friction Magnetism Electromagnetic Waves Fossils/Evolution
100
Net Force
What is the sum of all the forces acting on an object called what?
100
Rolling, Fluid, Static and Sliding.
What are the 4 types of Friction?
100
North-South
South-North
Opposites
What poles on a magnet attract?
100
Electricity and Magnetism
Electromagnetic waves are made of?
100
Paleontology
What is the study of Fossils called?
200
Objects continue the motion they already have unless they are acted on by an outside force

What does Newton's First Law State?
200
Static
Which type of friction allows your Cellphone to sit on a table without moving?
200
No, they attract
If the North Pole of a magnet is next to the South Pole of the magnet will they repel?
200
Red
The longest wavelengths appear what color?
200
Charles Darwin
What Scientist was known for his contribution to Evolution?
300
Greater
The stronger the force on an object, the _____________ its acceleration.
300
They Freeze Them.
What is done to Hockey pucks before games to reduce friction?
300
Electromagnet
What magnet can turn on and off?
300
Blue
The shortest wavelengths appear what color?
300
Beak size and shape changed.
What was most significant in Darwin's research about Evolution. (What changed in the birds development)
400
More
Objects with more mass have ________inertia and are more resistant to changes in their motion.
400
Fluid Friction
What kind of Friction is acting on me as I walk through the swimming pool?
400
in waves
How does light travel?
400
Decreases
As wavelength Increases what happens to Frequency?
400
Farming or Dog Breeding.
What is an example of Modern day Artificial Selection?
500
For every action there is an equal and opposite reaction. (Newton's Cradle)
What does Newton's Third Law State?
500
Rolling Friction
When a ball is rolling down the driveway what kind of friction is acting on the ball?
500
Metal
What type of material can be magnetic?
500
Increases
As Frequency Increases, what happens to energy?
500
Study of Fossils
Study of Embryos
Similar body structures
Similar characteristics
DNA similarities
Name 1 of the 5 evidences of evolution. (Study of...)




8th Grade Science Q1-Q3 Review Pt. 1

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