SCIENCE - Periodical Test 1

Question 1

What are the three Biospheres called?

Answer 1

lithosphere, hydrosphere and atmosphere

Question 2

Why does an oceanic crust get subducted and not the continental crust

Answer 2

because the oceanic crust is denser than the continental crust

Question 3

What do you call the part of the mantle that is closest to the lithosphere

Answer 3

asthenosphere

Question 4

Who made the continental drift theory

Answer 4

Alfred Wegener

Question 5

What were the three evidences presented supporting the Continental Drift Theory

Answer 5

Complimenting Coastlines, Remnants in Rocks and Records of Rocks

Question 6

What are the differences between Remnants and Records in rocks

Answer 6

Remnants refers to the fossils of the same species found in two different continents and Records refers to the same minerals found in two different continents

Question 7

What happens when two continental crusts converge

Answer 7

A mountain is made

Question 8

What determines whether one or the other oceanic crust gets subducted

Answer 8

The one thats older gets subducted

Question 9

When two oceanic crusts and two continental crusts diverge what do they create

Answer 9

mid-oceanic ridges and rift valleys

Question 10

What is the process of new oceanic crust is formed from a mid-oceanic ridge

Answer 10

seafloor spreading

Question 11

What are the tree types of plate boundaries

Answer 11

Convergent, Divergent, and Transform boundaries

Question 12

This type of plate boundary makes volcanoes, trenches, orogenic belts, and mountain ranges

Answer 12

Convergent boundaries

Question 13

What type of plate boundary exclusively makes earthquakes

Answer 13

Transform boundaries

Question 14

what is the epicenter of an earthquake

Answer 14

The epicenter is the point on the surface above the focus

Question 15

Which of the three types of plate boundaries can have a oceanic-continental boundary

Answer 15

Convergent Boundaries

Question 16

Which of the waves would come first S or P waves

Answer 16

P waves (little thing to remember P is primary and S is secondary)

Question 17

Name all electromagnetic waves on the Electromagnetic spectrum in order

Answer 17

Radio, Microwave, Infrared, Visible Light, UV, X-ray and Gamma ray

Question 18

Sterilization machines use what type of wave

Answer 18

Gamma Rays

Question 19

Television uses what type of wave

Answer 19

Radio waves

Question 20

What type of wave do Mammograms use

Answer 20

X-ray

Question 21

What type of wave does a remote use

Answer 21

Infrared

Question 22

Space craft communication uses what type of waves

Answer 22

Microwave

Question 23

When wanting to spear a fish where should you aim above, below, or right on top

Answer 23

Below

Question 24

If the angle of incidence is 80 degrees what is the angle of reflection

Answer 24

80 degrees

Question 25

What type of surface does specular reflection apply to smooth or rough

Answer 25

Smooth surface

Question 26

What type of surface does diffuse reflection apply to smooth or rough

Answer 26

Rough surface

Question 27

Does a real image form behind or in front of the mirror

Answer 27

In front

Question 28

Does a virtual image form in front or behind a mirror

Answer 28

Behind

Question 29

What is the SALT of a image formed by a plane mirror

Answer 29

Same size, Upright, Behind, and Virtual

Question 30

In mirrors what happens when a ray passes through the center of curvature

Answer 30

It would be reflected along itself

Question 31

In mirrors what happens when a ray is parallel to the optical axis

Answer 31

It passes through the principal focus

Question 32

In mirrors what happens when a ray passes through the principal focus

Answer 32

It is reflected parallel to the optical axis

Question 33

In mirrors what happens when a ray strikes the vertex

Answer 33

It is reflected at an equal angle on the opposite side of the optical axis

Question 34

A type of lens that has thicker edges and thinner middles

Answer 34

Concave lens

Question 35

A type of lens that has thinner edges and thicker middle

Answer 35

Concave lens

Question 36

Why does a ray of light travel slowly in some mediums

Answer 36

Depends on the optical density

Question 37

Who is the first person to do an experiment which involved electromagnetism

Answer 37

Hans Christian Oersted

Question 38

Who made the first artificial magnet

Answer 38

William Gilbert

Question 39

In a magnetic field do the lines go from negative to positive or positive to negative

Answer 39

It goes from positive to negative

Question 40

If like poles repel then what do unlike poles do

Answer 40

unlike poles attract

Question 41

If the line is closer to the magnet then is the magnetic field stronger or weaker

Answer 41

stronger

Question 42

Who is the father of electromagnetic induction

Answer 42

Michael Faraday

Question 43

Which is better for electromagnetic induction more or less coils and is moving the magnet faster better or is slower better

Answer 43

more coils makes a greater magnitude and moving the magnet faster gives the same effect

Question 44

When it comes to Electric Motors does it use mechanical energy to make electrical energy or is it vice versa

Answer 44

Electric motors does electrical energy into mechanical energy