Quiz about Adel 6 science test #1

Question 1

Without matter , living things would not be able to live .

Accepted Answer

true

Answer

false

Question 2

Most of the matter in organisms is contained in _______.

Accepted Answer

cells

Answer

substance

Answer

atoms

Question 3

A _______is the smallest unit of a living thing .

Accepted Answer

cell

Answer

organism

Answer

matter

Answer

molecule

Question 4

cells are made of smaller units called __________

Accepted Answer

atoms

Answer

molecules

Answer

matter

Answer

cells

Question 5

_____________is the smallest unit of a substance that maintains the properties of that substance .

Accepted Answer

atom

Answer

cell

Answer

molecule

Answer

matter

Question 6

A cell is the smallest unit of a substance that maintains the properties of that substance .

Accepted Answer

false

Answer

true

Question 7

An atom is the smallest unit of a substance that maintains the properties of that substance .

Accepted Answer

true

Answer

false

Question 8

Substances that contain only one type of atom are called ___________

Accepted Answer

elements

Answer

matters

Answer

cells

Answer

molecules

Question 9

_______________are the most basic substances on Earth .

Accepted Answer

elements

Answer

matters

Answer

cells

Answer

molecules

Question 10

oxygen and hydrogen are examples of _________

Accepted Answer

elements

Answer

energy

Answer

cells

Answer

molecules

Question 11

A substance made of atoms of two or more different elements is a ______________.

Accepted Answer

compound

Answer

element

Answer

cell

Answer

matter

Question 12

A substance made of atoms of two or more different elements is a compound .

Accepted Answer

true

Answer

false

Question 13

_______is made up of two or more atoms .

Accepted Answer

molecule

Answer

cell

Answer

matter

Answer

element

Question 14

The chemical bonds in molecules store energy .

Accepted Answer

true

Answer

false

Question 15

Cells and the substances they produce are made of _________

Accepted Answer

molecules

Answer

cells

Answer

matters

Answer

elements

Question 16

___________ and ___________ form a water molecule .

Accepted Answer

two hydrogen atoms and one oxygen atom

Answer

two oxygen atoms and one hydrogen atom

Question 17

water

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 18

carbon dioxide CO2

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 19

oxygen O2

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 20

Glucose molecule

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 21

Carbon dioxide molecule is made up of ___________

Accepted Answer

one carbon atom and two oxygen atoms .

Answer

one oxygen atom and two carbon atoms .

Question 22

A glucose molecule is made up of _______atoms.

Accepted Answer

oxygen , carbon and hydrogen

Answer

oxygen and hydrogen

Answer

0xygen

Answer

carbon and oxygen

Question 23

Which of the following is the correct order from smallest to larger .??

Accepted Answer

atom ___________molecule ____________cell

Answer

atom ________cell __________molecule

Answer

cell ________atom __________molecule

Answer

molecule _________cell ___________atom

Question 24

________is an organism that uses energy and matter from environment to make its own food molecules .

Accepted Answer

producer

Answer

consumer

Answer

decomposer

Question 25

________is an organism that gets energy and matter by eating other organisms .

Accepted Answer

consumer

Answer

decomposer

Answer

producer

Question 26

________is an organism that gets energy and matter by breaking down the remains of dead organisms .

Accepted Answer

decomposer

Answer

consumer

Answer

producer

Question 27

A producer is an organism that gets energy and matter by breaking down the remains of dead organisms .

Accepted Answer

false

Answer

true

Question 28

A producer is an organism that gets energy and matter by eating other organisms .

Accepted Answer

false

Answer

true

Question 29

decomposers!

Accepted Answer

fungi ( mushroom)

Accepted Answer

earthworms

Accepted Answer

bacteria

Answer

plants

Answer

animals

Question 30

Bioremediation is a process that mimics what ____________do .

Accepted Answer

decomposers

Answer

producers

Answer

consumers

Question 31

Which of the answers below are elements?

Accepted Answer

Oxygen

Accepted Answer

Hydrogen

Answer

Starch

Answer

Water

Question 32

Which is true about elements?

Accepted Answer

They are the most basic substances on Earth

Answer

There are 121 elements on Earth

Answer

They are created artificially

Answer

They are not present in organisms

Question 33

Which of the organisms below are consumers?

Accepted Answer

Rabbit

Accepted Answer

Cat

Answer

Tree

Answer

Fungi

Question 34

When an organism dies, the matter in the organism will:

Accepted Answer

return to the environment through decomposition

Accepted Answer

provide energy for decomposers

Answer

stay in its current form

Answer

disappear

Question 35

Organisms get energy from:

Accepted Answer

the bonds that hold together the molecules in the food

Answer

the atoms that are in the food

Answer

the particles that are in the food

Answer

the cells that are in the food

Question 36

How do organisms Get the energy they need.

Accepted Answer

D. Plants use energy from sunlight to make sugar molecules. Animals get energy from eating other organisms.

Answer

A. Plants get energy from fertilizers. Animals get energy from water.

Answer

B. Plants get energy from soil. Animals get energy directly from sunlight.

Answer

C. Plants do not need energy because they do not move. Animals get energy from food.

Question 37

Which of the following correctly represents an element?

Accepted Answer

oxygen

Answer

CO₂-Carbon Dioxide

Answer

water

Answer

Glucose

Question 38

A group of unicellular organisms that are neither plants nor animals .

Accepted Answer

phytoplankton

Answer

matter

Answer

cells

Answer

molecules

Question 39

Every cell performs many chemical reactions .

Accepted Answer

true

Answer

false

Question 40

During chemical reactions , atoms are rearranged into different combinations .

Accepted Answer

true

Answer

false

Question 41

A process in which atoms are rearranged to produce new substances .

Accepted Answer

chemical reaction

Answer

respiration

Answer

chemical solution

Question 42

The starting substances in a chemical reaction are called _________________

Accepted Answer

reactants

Answer

cells

Answer

molecules

Question 43

products.

Accepted Answer

the substances formed in a chemical reaction

Answer

The starting substances in a chemical reaction

Question 44

Neither matter nor energy is created or destroyed during a chemical reaction .

Accepted Answer

true

Answer

false

Question 45

The cells of all organisms use chemical reactions to release energy from food molecules .

Accepted Answer

true

Answer

false

Question 46

Carbon acid !

Accepted Answer

is a product of a chemical reaction of water and carbon dioxide.

Accepted Answer

the carbon acid has the same number and types of atoms of water and carbon dioxide .

Answer

is a product of a chemical reaction of water and oxygen .

Answer

the carbon acid has different number and types of atoms of water and carbon dioxide .

Question 47

Water molecules are composed of two oxygen atoms and one hydrogen atom .

Accepted Answer

false

Answer

true

Question 48

A series of chemical reactions in which cells of producers use energy from the sun to make carbon -based food molecules .

Accepted Answer

photosynthesis

Answer

biofuel

Answer

chemical bonds

Question 49

Are producers !

Accepted Answer

algae

Accepted Answer

bacteria

Accepted Answer

plants

Answer

earth worms

Answer

animals

Question 50

Photosynthesis takes place in the chloroplasts !

Accepted Answer

true

Answer

false

Question 51

Algae is used to produce biofuels .

Accepted Answer

true

Answer

false

Question 52

cellular respiration !

Accepted Answer

A process that uses oxygen to release the energy stored in food molecules .

Answer

A process in which plants produce oxygen and glucose

Question 53

Only producers use cellular respiration .

Accepted Answer

false

Answer

true

Question 54

Both producers and consumers use cellular respiration .

Accepted Answer

true

Answer

false

Question 55

Starting materials

Accepted Answer

reactants

Answer

products

Question 56

A pathway that energy and nutrients can follow through an ecosystem .

Accepted Answer

food chain

Answer

food molecules

Question 57

____make up the first level of a food chain .

Accepted Answer

producers

Answer

consumers

Answer

decomposers

Question 58

A food web is a group of interconnected food chains .

Accepted Answer

true

Answer

false

Question 59

A model that shows how energy flows between organisms in an ecosystem .

Accepted Answer

food web

Answer

carbon - based food molecule

Question 60

In energy pyramid , the energy ____________as you move up .

Accepted Answer

decreases

Answer

increases

Question 61

____________ is a presentation of the energy available at each level of food web .

Accepted Answer

energy pyramid

Answer

food chain

Question 62

producers are in the ______ of energy pyramid .

Accepted Answer

bottom

Answer

top

Question 63

The matter that makes up the bodies of living things is returned to the environment by ____________

Accepted Answer

decomposers

Answer

producers

Answer

predators

Answer

consumers

Question 64

All cells are made of carbon -based food molecules .

Accepted Answer

true

Answer

false

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