Matter & Its Properties
States of Matter
Atoms & Elements
Molecules
Microscopes & Cells
100

What is matter?

A. Anything that can be seen

B. Anything that has mass and takes up space

C. Anything that is alive

D. Anything that is solid

B. Anything that has mass and takes up space

100

What are the three common states of matter?

A. Hot, cold, warm
B. Solid, liquid, gas
C. Mass, volume, weight
D. Atoms, cells, molecules

B. Solid, liquid, gas

100

 What are the tiny building blocks of matter?

A. Cells
B. Atoms
C. Microscopes
D. Tissues

B. Atoms

100

What is a molecule?

A. A type of microscope
B. A state of matter
C. Two or more atoms chemically bonded together
D. A single cell

C. Two or more atoms chemically bonded together

100

How should you carry a microscope?

A. With one hand
B. By holding the eyepiece
C. With two hands, supporting the arm and base
D. By holding the power cord

C. With two hands, supporting the arm and base

200

Which of the following is NOT matter?

A. Air

B. Water

C. Light

D. Rock

C. Light

200

Which state of matter keeps its own shape?

A. Liquid
B. Gas
C. Solid
D. Water vapor

C. Solid

200

What is an element?

A. A substance made of only one type of atom
B. A mixture of different substances
C. A type of microscope
D. Anything that gives off light

A. A substance made of only one type of atom

200

What is the chemical formula for water?

A. CO₂
B. O₂
C. H₂O
D. H₂

C. H₂O

200

 Why should you start observing a slide on low power?

A. It makes the specimen easier to locate and focus
B. It allows you to see individual atoms
C. It makes the slide larger
D. It prevents all cells from moving

A. It makes the specimen easier to locate and focus

300

300 Points

Why is air considered matter?

A. Because we can see it

B. Because it produces light

C. Because it has mass and takes up space

D. Because it is always hot

C. Because it has mass and takes up space

300

What happens when an ice cube melts?

A. It becomes a gas
B. It changes from solid to liquid
C. It stops being matter
D. Its atoms disappear

B. It changes from solid to liquid

300

Which of the following is an element?

A. Water (H₂O)
B. Carbon dioxide (CO₂)
C. Oxygen (O)
D. Salt water

C. Oxygen (O)

300

How many hydrogen and oxygen atoms are in H₂O?

A. One hydrogen and two oxygen
B. Two hydrogen and one oxygen
C. Two hydrogen and two oxygen
D. One hydrogen and one oxygen

B. Two hydrogen and one oxygen

300

Which is a similarity between plant and animal cells?

A. Both have cell walls
B. Both contain matter and have cell membranes
C. Both are always rectangular
D. Neither contains atoms

B. Both contain matter and have cell membranes

400

Which observation BEST shows that air takes up space?

A. A balloon expands when filled with air

B. A flashlight lights up a room

C. A bell produces sound

D. A shadow appears on a wall

A. A balloon expands when filled with air

400

When water evaporates into water vapor, which statement is correct?

A. It is no longer matter
B. It no longer contains atoms
C. It becomes a solid
D. It is still matter in the gas state

D. It is still matter in the gas state

400

How are matter, atoms, and elements connected?

A. Only solids contain atoms
B. Elements are made of light
C. Atoms exist only in living things
D. Matter is made of atoms, and an element contains one type of atom

D. Matter is made of atoms, and an element contains one type of atom

400

How many total atoms are in one CO₂ molecule?

A. One
B. Two
C. Three
D. Four

C. Three

400

Which statement describes a difference between plant and animal cells?

A. Animal cells have cell walls, but plant cells do not
B. Plant cells contain no atoms
C. Plant cells have cell walls, but animal cells do not
D. Animal cells are not made of matter

C. Plant cells have cell walls, but animal cells do not

500

A student says, 'If I cannot see something, it cannot be matter.' Which example proves the student wrong?

A. Light

B. Sound

C. Air

D. A shadow

C. Air

500

An ice cube melts, then the water evaporates. What changes and what stays the same?

A. Its state changes, but it remains matter
B. It stops having mass
C. Its atoms disappear
D. It becomes energy instead of matter

A. Its state changes, but it remains matter

500

 If everything is made of atoms, why don't all substances look and behave the same?

A. Atoms disappear in gases
B. Different types and arrangements of atoms produce different properties
C. All atoms are identical in every way
D. Only some substances contain atoms

B. Different types and arrangements of atoms produce different properties

500

Why is O₂ a molecule while H₂O is not an element?

A. O₂ has two bonded oxygen atoms, while H₂O contains hydrogen and oxygen atoms
B. O₂ contains no atoms
C. H₂O contains only oxygen
D. Molecules can only contain different types of atoms

A. O₂ has two bonded oxygen atoms, while H₂O contains hydrogen and oxygen atoms

500

Why could we observe cells but not individual atoms with our classroom microscope?

A. Atoms only exist in rocks
B. Cells are not made of atoms
C. Atoms disappear under a microscope
D. Individual atoms are too small for a classroom light microscope to resolve

D. Individual atoms are too small for a classroom light microscope to resolve

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