Science Quiz #1

Question 1

What are the 3 types of rocks?

Answer 1

Igneous
Sedimentary
Metamorphic

Question 2

How is igneous rocks formed?

Answer 2

When a volcano explodes, it releases magma. When magma reaches the surface, it cools down and hardens into a new rock

Question 3

How is sedimentary rocks formed?

Answer 3

Formed from sediments in the bottom of a lake or ocean pressed together to form a rock

Question 4

How is metamorphic rocks formed?

Answer 4

Older sedimentary or igneous rocks are pushed down deep to the crust of the earth, heated by magma then structure of the rock changes to metamorphic rock

Question 5

What are the 5 layers of Earth?

Answer 5

Lithosphere
Atmosphere
Biosphere
Hydrosphere
Cryosphere

Question 6

What is Lithosphere?

Answer 6

• solid Earth

- thin, outermost layer of Earth called the crust and upper most solid mantle

Question 7

What is Atmosphere?

Answer 7

• gaseous Earth
• Mixture of invisible gases that surround earth
• Traps some energy from the sun and absorb UV rays

Question 8

What is Biosphere?

Answer 8

• Living things

- Made up of all living things and the area of the Earth where they are found

Question 9

What are Hydrosphere?

Answer 9

• All the liquid water on Earth

- Oceans, lakes, river, rain, etc.

Question 10

What is Cryosphere?

Answer 10

• All the frozen water on Earth

- Snow, ice, sea ice glaziers, iceberg, etc.

Question 11

What is the 4 stages of butterfly life cycle?

Answer 11

• Egg
• Larvae/Caterpillar
• Pupa
• Butterfly

Question 12

Define “weathering”

Answer 12

When rain and water wash over and rub against rocks over a long time, then tiny particles of rock worn away

Question 13

Define fossil

Answer 13

Tiny animals buried in sediments, they are hardened and turned into rock

Question 14

What occurs at plate boundaries where continents collide?

Answer 14

Volcanoes

Question 15

Explain the difference between magma and lava.

Answer 15

Magma - molten rock inside volcano

Lava - when it escapes from Earth

Question 16

Define “Hotspot”

Answer 16

A collision zone, beneath the ocean floor of super hot liquid rock

Question 17

What is a trait?

Answer 17

Notable feature, inherited from parent

Question 18

What are physical traits?

Answer 18

Characteristics of one’s physical looks

Question 19

What are behavioral traits?

Answer 19

Characteristics of one’s acts

Question 20

What is predisposition to medical condition?

Answer 20

Increased risk of disease that can be passed on from parent to offspring

Question 21

What are allele?

Answer 21

one of two or more alternative forms of gene that arise during mutation

Question 22

What is homozygous?

Answer 22

Two of the same allele

Question 23

What is heterozygous?

Answer 23

Two different alleles for a trait

Question 24

What is dominant?

Answer 24

phenotypically expressed in heterozygotes

Question 25

What is recessive?

Answer 25

traits that are expressed or seen only when a homozygous recessive genotype is present

Question 26

What are genotype?

Answer 26

Genetic traits

Question 27

What are phenotype?

Answer 27

Physical traits

Question 28

What parts can only be found on a plant cell?

Answer 28

Cell wall and chloroplast

Question 29

What is the function of mitochondrion?

Answer 29

Power plant, burns energy.

“Powerhouse of the cell”

Question 30

What is the function of nucleus?

Answer 30

Main control/Cell brain

Question 31

What is the function of vacuole?

Answer 31

Holding bin for food, water, and waste

Question 32

What is the function of cell membrane?

Answer 32

Forms boundary and control what goes in and out

Question 33

What is the function of the cytoplasm?

Answer 33

Jelly like material that fills the cell