8th Grade - Science Blitz: Part 2

Question 1

How do scientists explain the formation of underwater mountain ranges?

Accepted Answer

seafloor spreading

Question 2

What type of weather do you expect in the north west, over Idaho.

Accepted Answer

No clouds, sunny

Question 3

The cycle of heating, rising, cooling, and sinking is called a _______________.

Accepted Answer

Convection current

Question 4

A heterotroph is an organism that...

Accepted Answer

eats other organisms for energy

Question 5

If you were taking a trip to Brazil for Christmas what item would you likely leave at home?

Accepted Answer

A coat

Question 6

How many electrons does this element have?

Accepted Answer

17

Question 7

A rocket engine fires downward and the rocket lifts upward into Earth's atmosphere, Which law?

Accepted Answer

Newtons Third Law of motion, Action/Reaction

Question 8

Which graph starts at a distance other than zero?

Accepted Answer

third one

Question 9

What weather comes with a warm front?

Accepted Answer

gentle rain

Question 10

What is the charge of this atoms nucleus?

Accepted Answer

+21

Question 11

Which graph shows constant speed?

Accepted Answer

first one

Question 12

What kind of front is in Texas?

Accepted Answer

cold

Question 13

Which is not a form of acceleration?

Accepted Answer

67mph North

Question 14

What symbol is blue with triangles?

Accepted Answer

cold

Question 15

Which of the following would be a sign that chemical change is taking place?

Accepted Answer

color change

Question 16

What do scientists believe is the force behind the plate tectonics theory?

Accepted Answer

convection currents

Question 17

What is the contour interval of this map?

Accepted Answer

20

Question 18

An autotroph is an organism that...

Accepted Answer

makes its own food

Question 19

Radiation refers to….

Accepted Answer

transfer for energy through space

Question 20

Which of the following would cause the length of a day on the Earth to be shorter?

Accepted Answer

Increasing the speed of the Earth’s rotation on its axis

Question 21

Atoms that have a negative charge_____________.

Accepted Answer

gain electrons

Question 22

According to the symbol below, how many neutrons does an atom of this element have?

Accepted Answer

18

Question 23

What does plate tectonics cause?

Accepted Answer

All the above

Question 24

___ properties of matter include density, boiling point, color and malleability.

Accepted Answer

Physical

Question 25

What type of plate boundary has plates sliding past each other?

Accepted Answer

transform boundaries

Question 26

How many valence electrons does this element have?

Accepted Answer

1

Question 27

Decomposers break down dead organisms and

Accepted Answer

recycle nutrients into the soil

Question 28

What does biotic mean?

Accepted Answer

living

Question 29

A dummy was in a car accident and wasn't wearing their seatbelt, which law best describes this?

Accepted Answer

Newtons First Law of motion, Inertia

Question 30

What causes geologic events such as earthquakes, volcanoes, and the creation of mountains?

Accepted Answer

Lithospheric plate movement

Question 31

During what season do you expect the Sun high up in the sky and longer days?

Accepted Answer

Summer

Question 32

What happens when populations share the same niche?

Accepted Answer

They will compete for 1 resource until 1 population declines

Question 33

Ultimately, what is responsible for the movement of tectonic plates?

Accepted Answer

unbalanced forces

Question 34

Tissues work together to form__________?

Accepted Answer

organs

Question 35

Between which time is the vehicle stopped the longest?

Accepted Answer

5-8 hours

Question 36

Which of the following words has the same meaning as "period?"

Accepted Answer

row

Question 37

Conduction refers to…..

Accepted Answer

transfer of energy through direct contact

Question 38

A divergent boundary is a boundary between two plates that_______________________.

Accepted Answer

move away from each other

Question 39

If the S.H is tilted toward the Sun, what season will in be in N.H in 3 months?

Accepted Answer

Spring

Question 40

An organism that relies on another organism for energy is a _________

Accepted Answer

consumer

Question 41

Atoms that have a positive charge_____________.

Accepted Answer

lose electrons

Question 42

A baseball player accelerates a ball into the outfield, which Newtons Law most likely applies?

Accepted Answer

Newtons Second Law of motion, F=ma

Question 43

Which three organelles are only found in plants?

Accepted Answer

cell wall, large vacuole, chloroplast

Question 44

In a rain forest, what causes a small amount of light and moisture to reach the ground?

Accepted Answer

Competition

Question 45

What is the symbol for a warm front?

Accepted Answer

half circles

Question 46

What weather comes with a cold front

Accepted Answer

storms, heavy rain

Question 47

This system works with the digestive system to transport nutrients though the body.

Accepted Answer

Circulatory

Question 48

What is the approximate rate of plate movement?

Accepted Answer

a few centimeters a year, a few millimeters a year

Question 49

What group is this element in?

Accepted Answer

17

Question 50

Gophers cause erosion of the soil when they dig. This is an example of

Accepted Answer

a biotic factor impacting an abiotic factor

Question 51

What is an invasive species?

Accepted Answer

A species that is invading a different ecosystem

Question 52

What type of boundary is most commonly responsible for mountain forming?

Accepted Answer

convergent

Question 53

Water phase changes are considered___________.

Accepted Answer

a physical property

Question 54

Which vehicle would take the longest to accelerate

Accepted Answer

18 wheeler

Question 55

A living organism that makes its own food

Accepted Answer

producer

8th Grade - Science Blitz: Part 2

Questions 55

8th Grade - Science Blitz: Part 2

Questions 55