Quiz about End of Year 2023 - 6th Grade Science

Question 1

Which of the following lists Earth's compositional layers in order of increasing density?

Accepted Answer

Crust, Mantle, Core

Answer

Core, Mantle, Crust

Answer

Crust, Core, Mantle

Answer

Mantle, Crust, Core

Question 2

Which of the following processes transfers heat?

Accepted Answer

All of these

Answer

Radiation

Answer

Condution

Answer

Convection

Question 3

Sound waves travel fastest in?

Accepted Answer

Solid

Answer

Liquid

Answer

Gas

Answer

Plasma

Question 4

Plants always grow towards the

Accepted Answer

Light

Answer

Dark

Question 5

All matter is made of atoms. What is an atom?

Accepted Answer

The smallest part of an element that has the chemical properties of the element.

Answer

The smallest part of an organism that performs a specific task.

Answer

The smallest part of a material that can be seen by the human eye.

Answer

The smallest part of a living thing that performs all the functions required for life.

Question 6

What effect does planting trees and bushes on a steep hill have?

Accepted Answer

It helps to stop erosion.

Answer

It provides oxygen to the soil.

Answer

Over time, it will help the hill grow taller.

Answer

It makes the hill a good habitat for animals.

Question 7

During photosynthesis, plants aborb energy from sunlight, they take in water from the soil using their roots, and they take in carbon dioxide from the atmosphere. What is produced in the leaves of plants, in addition to oxygen?

Accepted Answer

Sugar

Answer

Hydrogen

Answer

Minerals

Answer

All of these

Question 8

What is true of the eclipse shown in the picture?

Accepted Answer

It is a lunar eclipse, in which the Earth casts a shadow on the moon.

Answer

It is a solar eclipse, in which the moon casts a shadow on the Earth.

Answer

It is a solar eclipse, in which the Earth casts a shadow on the moon.

Answer

It is a lunar eclipse, in which the moon casts a shadow on the Earth.

Question 9

Day and night are caused by

Accepted Answer

the rotation of Earth on its axis.

Answer

the rotation of the sun on its axis.

Answer

the Earth completing a full orbit around the sun.

Answer

the sun completing a full orbit around the Earth.

Question 10

Which of the following describes when light bounces off a surface?

Accepted Answer

Reflection

Answer

Diffusion

Answer

Absorbtion

Answer

Transmission

Question 11

Which of the following best describes how sound is produced?

Accepted Answer

Vibrating materials generate waves.

Answer

Vibrating materials generate particles.

Answer

Vibrating materials generate rays.

Answer

Vibrating materials generate beams.

Question 12

The diagram is a food chain that shows an energy transfer within an ecosystem. What is the producer in this food chain?

Accepted Answer

Plant

Answer

Owl

Answer

Mouse

Answer

Beetle

Question 13

What is trueabout the plant in the window?

Accepted Answer

It is responding to the stimulus of light.

Answer

It is responding to the stimulus of oxygen.

Answer

Plants cannot respond to stimuli.

Answer

It is responding to the stimulus of heat.

Question 14

Which three factors would be most important for a body in the Solar System outside of Earth to support life?

Accepted Answer

water, moderate temperatures and sunlight

Answer

hydrogen, moderate temperatures, and carbon dioxide

Answer

carbon dioxide, moderate temperatures and soil

Answer

water, mountains and soil

Question 15

Plants use a process called photosynthesis to make thier food. The food is a sugar called glucose. Which of these correctly identifies the other product of photosyntheis and its importance.

Accepted Answer

oxygen, which provides air for humans and animals to breathe

Answer

nutrients, which help plants grow and survive in the soil

Answer

minerals, which help the human body stay healthy

Answer

carbon dioxide, which helps other plants make glucose

Question 16

The soil of an ecosystem determines the kinds of organisms that are abe to live there. Which of the following soil characteristics can have an effect on the ecosystem of an area?

Accepted Answer

all of the above

Answer

the texture of the soil

Answer

the composition of the soil

Answer

the particle size of the soil

Question 17

How many objects in the solar system have been confirmed to currently support life?

Accepted Answer

one

Answer

two

Answer

three

Answer

four

Question 18

Which of the following describes the bending of light due to a change in its speed?

Accepted Answer

Refraction

Answer

Transmission

Answer

Reflection

Answer

Absorbtion

Question 19

Which structure within a flower produces pollen granules?

Accepted Answer

The anther

Answer

The filament

Answer

The ovary

Answer

The pistil

Question 20

What abiotic factors are present in a forest ecosystem?

Accepted Answer

water, sunlight, soil

Answer

water, plants, temperature

Answer

insects, soil, water

Answer

plants, animals, insects

Question 21

Which of the following causes the change in seasons on Earth?

Accepted Answer

The tilting of the Earth on its axis and the Earth revolving around the Sun.

Answer

The tilting of the Earth on its axis and the Sun revolving around the Earth.

Answer

The Earth revolving around the sun and the moon revolving around the Earth.

Answer

The spinning of the Earth on its axis and the Earth revolving around the Sun.

Question 22

How does energy flow in the food web shown.

Accepted Answer

from producers to consumers

Answer

from insects to plants

Answer

from heterotrophs to autotrophs

Answer

from carnivores to herbivores

Question 23

What layer of the Earth is made up of tectonic plates?

Accepted Answer

crust

Answer

outer core

Answer

mantle

Answer

inner core

Question 24

What is the primary function of decomposers in an ecosystem?

Accepted Answer

Decomposers break down dead matter from dead organisms into simper substances that can be recycled in ecosystems.

Answer

Decomposers are parasites; they attach themselves to host organisms and absorb nutrients fromthe host until the host organism dies.

Answer

Decomposers combine elements, such as carbon, nitrogen, and oxygen, into complex molecules that can be used as food sources for organisms.

Answer

Decomposers absorb energy from the sun and produce food for themselves as well as other organisms.

Question 25

Soil conservation involves protecting __________and preventing ________

Accepted Answer

soil quality; erosion

Answer

topsoil; pollution

Answer

soil layers; erosion

Answer

soil layers; pollution

Question 26

Earth's lithospheric plates

Accepted Answer

are constantly in motion.

Answer

do not move.

Answer

move only once.

Answer

move only up and down.

Question 27

How might polluted soil affect humans?

Accepted Answer

The pollution is passed on through crops grown in the soil.

Answer

Humans absorb the pollution through their skin.

Answer

Insects living in the soil can pass the pollution to humans.

Answer

The pollution is released from the soil into the air we breathe.

Question 28

Which of these factors controls the timing of flowering in plants?

Accepted Answer

length of night/darkness

Answer

wind speed

Answer

temperature

Answer

soil quality

Question 29

In which picture is the density of the material the greatest?

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 30

During unfaborable environmental conditions, a seed or plant may protect itself by going through an inactive stage in which it does grow. This stage is called ___________.

Accepted Answer

dormancy

Answer

hibernation

Answer

germination

Answer

nocturnal

Question 31

Which of the following increases the motion of atoms and molecules?

Accepted Answer

increasing temperature

Answer

removing a substance

Answer

adding another substance

Answer

decreasing the temperature

Question 32

Which statement correctly expresses a difference between light waves and sound waves?

Accepted Answer

Sound waves travel through matter, but light waves can travel through areas with no matter.

Answer

Light waves have a constant speed, but sound waves have different speeds in different materials.

Answer

Light waves have measurable wavelengths but sound waves do not.

Answer

Sound waves transmit matter, but light waves transmit energy.

Question 33

Which of the following best describes what the 118 known chemical elements combine to form?

Accepted Answer

all the matter in the Universe

Answer

all the cells of living organisms only

Answer

all of the heat and light from the sun

Answer

all of the energy on Earth

Question 34

The diagram shows the parts of a flower that has been produced by a flowering plant. which of the following describes how the pollen must travel in order for pollination to occur?

Accepted Answer

from an anther to the stigma

Answer

from the stigma to the pollen tube

Answer

from an anther to the style

Answer

from the stigma to the anther

Question 35

Most of the energy in Earth's atmosphere , oceans, and living systems comes from______.

Accepted Answer

the Sun

Answer

Earth's core

Answer

lightening

Answer

magma

Question 36

Which is true about the relationship between heat and light?

Accepted Answer

Dark colors absorb more heat than light colors.

Answer

There is no relationship between light and heat.

Answer

Light colors absorb more heat than dark colors.

Answer

Light colors and dark colors absorb heat equally.

Question 37

This biome is a cold, dry climate.

Accepted Answer

Tundra

Answer

Savanna

Answer

Desert

Answer

Dediduous Forest

Question 38

Tides describe the regular rising and falling of ocean water. Tides are caused by

Accepted Answer

the gravitational pull of the Sun and Moon.

Answer

earthquakes on the ocean floor.

Answer

the rotation of the Moon on its axis.

Answer

the sand heats up too much.

Question 39

It is difficult for most plants to grow in sandy soil because

Accepted Answer

the soil loses water too quickly.

Answer

the soil is too acidic.

Answer

the sand blocks the roots.

Answer

the sand heats up too much.

Question 40

In which of the following biomes would you most likely find organisims that are adapted to limited water supplies?

Accepted Answer

desert

Answer

grassland

Answer

marine

Answer

forest

Question 41

Substances have energy of motion due to the constant, random motion of their particles. The amount of energy of motion that a substance has differs depending on the substance's state of matter.

Which of the following arranges the states of mattr in order of increasing energy of motion?

Accepted Answer

Solid - Liquid - Gas

Answer

Liquid - Gas - Solid

Answer

Gas - Solid - Liquid

Answer

Gas - Liquid - Solid

Question 42

What is all matter made of?

Accepted Answer

Atoms

Answer

Cells

Answer

Metal

Answer

Carbon

Question 43

Which of the following is composed of weathered rocks and decomposed organic material from dead plants and animals.

Accepted Answer

Soil

Answer

Volcanoes

Answer

Mantle

Answer

Igneous Rocks

Question 44

Which of the following helps explain how a rainbow of colors can form when sunlight passes through a prism?

Accepted Answer

Sunlight is made up of a mixture of different colors.

Answer

Sunlight is unable to travel through solid materials.

Answer

Sunlight always travels in a straight line.

Answer

Sunlight only contains light rays that are yellow.

Question 45

When an earthquake occurs, potential energy in the Earth's crust is released and waes of energy move across the Earth. What are these waves called?

Accepted Answer

Seismic Waves

Answer

Crust Waves

Answer

Solid Waves

Answer

Rock Waves

Question 46

Which of the following is a true statement about heat transfer?

Accepted Answer

Heat always flows from warmer objects to cooler objects.

Answer

Heat always flows from cooler objects to warmer objects.

Answer

Heat never travels in similar pattern.

Answer

Heat never transfers from solids to liquids.

Question 47

Earth's surface is constantly changing. Volcanoes erupt and form new crust. Lithospheric plate motions bend and crack old crust and cause earthquakes. Where do most of Earth's earthquakes and volcanoes occur?

Accepted Answer

Along plate boundaries

Answer

At the center of continental plates

Answer

Along hot spots in oceanic crust

Answer

At the equator

Question 48

What causes a plant to appear green?

Accepted Answer

The plant reflects green light and absorbs other light waves.

Answer

The plant creates light that has the correct amplitude for the color green.

Answer

The plant creates light that has the correct wavelength for the color green.

Answer

The plant absorbs green light and reflects other light waves.

Question 49

The Earth is made mostly of _____?

Accepted Answer

Rock

Answer

Air

Answer

Water

Answer

Soil

Question 50

Waves transport _____ over distances.

Accepted Answer

Energy

Answer

Liquid

Answer

Gases

Answer

Solids

Question 51

Examine the table. In which of the following types of substances do sound waves travel the fastes?

Accepted Answer

Solids

Answer

Sound waves travel at the same speed in solids, liquids, and gases.

Answer

Liquids

Answer

Gases

Question 52

Kim's class is learning about conductors and insulators of electricity. She studies an appliance cord that has been cut to show the two main parts. The cord is made up f a metal wire and a plastic covering.

The plastic covering is_____ and it _____.

Accepted Answer

an insulator: does not allow electricity to flow

Answer

an insulator: allows electricity to flow

Answer

a conductor: does not allow electricity to flow

Answer

a conductor: allows electricity to flow

Question 53

Which of the following are physical properties of matter?

Accepted Answer

all of these

Answer

size, shape, and color

Answer

phase of matter and temperature

Answer

density, solubility and hardness

Question 54

Which statement describes the composition of the Earth's crust?

Accepted Answer

It consists of continental and oceanic plates that slowly change position over time.

Answer

It consists of oceanic plates that cannot move and continental plates that can move.

Answer

It consists of oceanic plates that can move and continental plates that cannot move.

Answer

It consists of continental plates that do not change position over time.

Question 55

During photosynthesis, plants absorb energy from sunlight, they take in waer from the soil using their roots, and they take in carbon dioxide from the atmosphere. What is produced in the leaves of plants, in addition to oxygen?

Accepted Answer

Glucose

Sugar

Answer

Hydrogen

Answer

Minerals

Answer

All of these

End of Year 2023 - 6th Grade Science

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