Quiz about 1 semester MOY review

Question 1

Element or compound?
H₂O

Accepted Answer

compound

Answer

element

Question 2

Which of the following is a compound?

Accepted Answer

CO2

Answer

Co

Answer

O2

Question 3

Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)

Accepted Answer

H3SO4

Answer

HSO4

Answer

H4S3O

Question 4

What factors affect the rate of dissolving? (check all that apply)

Accepted Answer

temperature

Accepted Answer

particle size

Accepted Answer

agitation

Answer

buoyancy

Question 5

The diagram shows a duck swimming in a stream in the opposite direction the stream is flowing. The duck pushes against the water, so the water pushes the duck forward with 20 newtons of force. The water also exerts 15 newtons of resistive force against the duck.

What statement best describes the resulting motion of the duck?

Accepted Answer

The duck will continue moving in its current direction

Answer

The duck will stop moving

Answer

The duck will stop and then start moving again

Question 6

During photosynthesis, plants absorb carbon dioxide and sunlight to create fuel for building plant structures. This fuel is called

Accepted Answer

glucose

Answer

water

Answer

oxygen

Question 7

Which statement best describes the way energy is transferred in an energy pyramid

Accepted Answer

Radiant energy from the sun is transferred to chemical energy in the algae and lost as thermal energy when organisms move

Answer

Solar energy is transferred to mechanical energy in algae and lost as chemical energy when the water boatmen eats

Answer

Thermal energy is transferred from the sun to the algae who convert chemical energy into glucose

Question 8

The kinetic energy of molecules at constant temperature in gaseous state is:

Accepted Answer

more than those in the liquid state

Answer

less than those in the liquid state

Answer

less than those in a solid state

Question 9

The table shows the motion data for two objects during two trials of an investigation.

What object travels at the greater average speed?

Accepted Answer

object 1, because it travels the greater distance per unit of time

Answer

object 2, because it travels the longer amount of time

Answer

object 1, because it travels the shorter amount of time

Question 10

Use the dichotomous key to identify this white wildflower

Accepted Answer

Starflower

Answer

Chickweed

Answer

Common Strawberry

Question 11

A student walks the schoolyard and observes that there are many organisms such as different plants and animals.

She notices that moss grows in moist, shady areas but did not see any in the open yard where it's sunny.

What is the best explanation for her observation?

Accepted Answer

Different habitats support different plants and animals.

Answer

Schoolyards are the only places where moss can grow.

Answer

Schoolyards are not able to sustain living things.

Question 12

Which animal and plants would naturally live in the pictured biome?

Accepted Answer

Question 13

Students make plans to construct an ecosystem in a large aquarium. All 4 plans include soil and water. Which ecosystem will MOST LIKELY be sustainable?

WHY?

Accepted Answer

D- ecosystems with more species are more sustainable

Answer

A-fish maintain water quality in the ecosystem

Answer

C-ecosystems with fewer species are more sustainable

Question 14

An ecosystem that is not sustainable can break down when a natural disaster occurs. This can lead to organisms leaving the ecosystem or dying.

Increased biodiversity results in a more sustainable ecosystem because-

Accepted Answer

a greater variety of species present allows more organisms to adapt after the natural disaster

Answer

a greater number of plant species means there is less barren land

Question 15

Jerry walked from his house to the school, and then from the school to the park. What is his total displacement?

Accepted Answer

2 km E

Answer

5 km S

Answer

8 km SE

Question 16

Jermaine runs exactly 2 laps around a 400-meter track. What is the displacement?

Accepted Answer

0

Answer

800

Answer

200

Question 17

Students observe an unknown species during a field study. They observe that the organism is multicellular, is autotrophic, and can reproduce both sexually and asexually.

Which kingdom does this organism most likely belong to?

Accepted Answer

Plantae

Answer

Archaea

Answer

Bacteria

Question 18

Which feature is unique to the domain Eukarya?

Accepted Answer

Has a nucleus

Answer

Grows in extreme temperatures

Answer

Contains genetic material

Question 19

There are approximately 113 species and subspecies of snakes in Texas. Why would it be important for scientists to use a standardized taxonomic system when naming each species of snake?

Accepted Answer

To avoid confusion in the identification of a variety of snake species

Answer

To ensure that ll species of snakes are located in the fossil record.

Answer

To determine the impact of removing one species of snake from their habitt in the ecosystem.

Question 20

Having a standard taxonomic system benenefits the scientific community by allowing scientists from all over the world to do which of the following?

Accepted Answer

Have a common understanding in the classification of organisms.

Answer

Have a common system for the classificationof locations containing fossils.

Answer

Use similar system to classify the impact of removing species from ecosystms.

Question 21

Fox squirrels are common in Texas. Fox squirrels primarily eat acorns and nuts from trees but also eat insects. Some predators of fox squirrels include owls, snakes, and bobcats.

Which diagram best represents how energy would flow to and from the fox squirrel?

Accepted Answer

Question 22

According to this food web, which organisms would the bobcat and diamondback rattlesnake compete for if the mouse population and swamp rabbit population decreased?

Accepted Answer

Sparrow and Eastern cottontail rabbit

Answer

Raccoon and sparrow

Answer

Raccoon and Eastern cottontail rabbit

Question 23

Which statement is an example of how carbon moves through a food chain as part of the carbon cycle?

Accepted Answer

Producers take in carbon dioxide, and consumers release it.

Answer

Producers release carbon dioxide, and consumers take it in.

Answer

Producers release carbon into the soil, and consumers take it in from the soil.

Question 24

A correct path that nitrogen could take would be

Accepted Answer

air -> bacteria -> plants -> animals

Answer

air -> animals -> plants -> bacteria

Answer

bacteria -> air -> plants -> animals

Question 25

The speed of an object over time is shown in the graph, which table describes the object's motion?

Accepted Answer

Question 26

The table shows the motion data for two objects during two trials of an investigation.

Which object travels at the greater average speed?

Accepted Answer

Object 1, because it travels the greater distance per unit of time

Answer

Object 2, because it travels the shorter amont of time

Answer

Object 2, because it traves the shortr distance per unit of time

Question 27

Which statement describes the function of xylem

Accepted Answer

Transport water from the roots to the stalk

Answer

Makes the plant keep its green color

Answer

Ensures carbon dioxide is released from the plant

Question 28

The lamp in this diagram is representing ___________which is the stimulus.

Accepted Answer

light,

Answer

touch

Answer

gravity

Question 29

Taxonomist deal with classifying organisms. What is a true statement about how classification works?

Accepted Answer

The more characteristics an organism has, the easier it is to classify

Answer

The older the scientist is, the more he can classify organisms

Answer

Organisms with multiple classifications are harder to identify

Question 30

Which of these statements are NOT part of cell theory?

Accepted Answer

Cells replicate only if they are protecting an organism

Answer

All cells come from pre-existing cells

Answer

All living things are made of cells

Answer

Cells are the basic unit of life

Question 31

Peristalsis in the esophagus and moves food Like Contractions of the heart move___?

Accepted Answer

blood

Answer

water

Answer

food

Question 32

Which is the best example of a chemical change?

Accepted Answer

Formation of a precipitate

Answer

boiling water releasing steam

Answer

a liquid slowly losing volume

Question 33

When baking soda and vinegar react, the surface bubbles. What does this indicate?

Accepted Answer

A chemical change, because a gas is being formed

Answer

A chemical change, because a precipitate is being formed

Answer

A non- chemical change because a gas is formed

Question 34

Which are reasons for an animal adaptation (select all that apply)

Accepted Answer

Defense against a predator

(camouflaged/stink spray)

Accepted Answer

Availability of food sources

(giraffe neck/bird beak)

Answer

The overnight change is needed

1 semester MOY review

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