NYS 8th Grade Science Test Review

Question 1

Which model can be used to trace genetic inheritance?

Accepted Answer

Pedigree

Question 2

A group of organs working together to perform a certain function is called

Accepted Answer

A system

Question 3

Because copper is a metal, it is

Accepted Answer

a good conductor of heat

Question 4

Which sequence represents the correct levels of organization for multicellular organisms?

Accepted Answer

cell -> tissue -> organ -> organ system

Question 5

In which part of a plant cell does photosynthesis occur?

Accepted Answer

Chloroplast

Question 6

A fox with thick fur would have a survival advantage over other foxes if

Accepted Answer

The air temperature significantly decreases in winter

Question 7

An organism that contains chloroplasts is able to produce food by the process of

Accepted Answer

Photosynthesis

Question 8

Basalt is a rock that forms when magma from volcanoes cools. What type of rock is basalt?

Accepted Answer

Igneous

Question 9

Carbon dioxide is an example of

Accepted Answer

a compound

Question 10

Which process is represented by the four stages in this diagram?

Accepted Answer

metamorphosis

Question 11

What causes the seasons on Earth?

Accepted Answer

The tilt of Earth's axis

Question 12

Which planet is closest to the Sun?

Accepted Answer

Mercury

Question 13

Which sequence lists the hereditary material found inside cells from the smallest to largest?

Accepted Answer

Gene → Chromosome → Nucleus

Question 14

A body cell that is undergoing abnormal cell division is most likely

Accepted Answer

forming cancerous cells

Question 15

Which geologic process occurs when the acid in precipitation dissolves certain types of rock?

Accepted Answer

chemical weathering

Question 16

The layered mixture of gases surrounding Earth is called the

Accepted Answer

atmosphere

Question 17

A single human body cell typically contains thousands of

Accepted Answer

genes

Question 18

The Earth rotates on its axis once every

Accepted Answer

24 hours

Question 19

Which structure's main function is to produce food (sugar) in a plant?

Accepted Answer

Leaf

Question 20

A cell's chromosomes contain

Accepted Answer

genes

Question 21

If you had to take the science test today, what do you think you would get?

Accepted Answer

80-90, 70-80, 60-70, 90-100

Question 22

Which type of energy is transferred from one object to another by simple machines?

Accepted Answer

mechanical

Question 23

Which represents the correct order from smallest to largest?

Accepted Answer

solar system -> galaxy -> universe

Question 24

The gravitational force between two objects depends on the distance between them and their

Accepted Answer

masses

Question 25

A substance in the solid phase (state) of matter has

Accepted Answer

a definite shape and a definite volume

Question 26

Which fertilization and development method is most typical of humans before birth occurs?

Accepted Answer

Internal fertilization & internal development

Question 27

Compared to the volume of Earth, the volume of the Sun is approximately

Accepted Answer

1,000,000 times greater

Question 28

Which process results in a new cell with a complete set of chromosomes?

Accepted Answer

Fertilization

Question 29

Most of the sunlight that strikes a snow-covered surface is

Accepted Answer

reflected

Question 30

Which process transfers heat when particles collide in a solid?

Accepted Answer

Conduction

Question 31

Competition within a pack of wolves may increase if there is an increase in the

Accepted Answer

Size of their population

Question 32

A biological community is made up of all the

Accepted Answer

populations living in an area

Question 33

Which human body system removes waste from the body?

Accepted Answer

Excretory system

Question 34

Which activity causes the greatest amount of greenhouse gas to enter the atmosphere?

Accepted Answer

Burning fossil fuels

Question 35

Carnivores obtain most of their energy by

Accepted Answer

consuming animals

Question 36

Identify one omnivore in this food web

Accepted Answer

grouse (bird), bear

Question 37

Volcanic eruptions are caused primarily by the movement of

Accepted Answer

tectonic plates

Question 38

One example of matter is

Accepted Answer

water

Question 39

Which process releases energy from digested food?

Accepted Answer

cellular respiration

Question 40

What happens to a species when the environment changes and the organisms do not adapt?

Accepted Answer

Extinction

Question 41

Infants will often smile when they hear a parent's voice, the parent's voice is considered

Accepted Answer

A stimulus

Question 42

Which greenhouse gas will increase the most if large forests are cut down?

Accepted Answer

carbon dioxide

Question 43

Which process in an apple tree primarily results from cell division?

Accepted Answer

Growth

Question 44

Approximately how long does it take for the Moon to complete one orbit around the Earth?

Accepted Answer

One month

Question 45

A major function of a plant's roots is to

Accepted Answer

absorb water

Question 46

Which two human body systems work together to perform locomotion?

Accepted Answer

Muscular and skeletal systems

Question 47

Which weather condition commonly occurs along a cold front?

Accepted Answer

precipitation

Question 48

The diagrams represent two cells, which part of the cell is labeled C in both diagrams?

Accepted Answer

Cytoplasm

Question 49

A major function of a plant's seed is to

Accepted Answer

store food to be used during early development

Question 50

Most hormones are produced by which human organ system?

Accepted Answer

Endocrine

Question 51

Which process is a cause of variation in a species?

Accepted Answer

Sexual reproduction

NYS 8th Grade Science Test Review

Questions 51

NYS 8th Grade Science Test Review

Questions 51