5th Grade- Unit B, Chapter 1 Question Preview (ID: 35394)


Classifying Matter. TEACHERS: click here for quick copy question ID numbers.

The number of elements are
a) about 4
b) about 50
c) about 100
d) just over 200

The particle in the atom that is found outside the nucleus is the
a) electron
b) proton
c) nucleus
d) element

When two or more atoms join together, they form a
a) combination
b) model
c) group
d) molecule

Which of these is an example of a compound
a) iron
b) hydrogen
c) rust
d) calcium

sodium and chlorine combine to form
a) bone
b) salt
c) water
d) carbon dioxide

Lemonade is an example of a
a) element
b) compound
c) chemical
d) solution

The physical property that describes how much a substance will strectch or bend is
a) hardness
b) elasticity
c) magnetism
d) weight

An example of a physical property is
a) This substance is blue
b) This substance can burn
c) This substance reacts with oxygen
d) This substance can combine with air

Ash is a substance formed when
a) a fruit turns moldy
b) pyrite comes into contact with acid
c) wood is burned
d) food is digested

knowing about chemical properties can help in identifying
a) protons and neutrons
b) mixtures and solution
c) the nuclei of atoms
d) elements and compounds

An example of a change that is not a chemical change is
a) batter baked into a cake
b) cut apples turning brown in the air
c) cucumbers tossed with lettuce for a salad
d) a green tomato turning red when it ripens

iron atoms combine with oxygen to form
a) fool's gold
b) rust
c) ashes
d) carbon dioxide

______________ has mass and takes up space
a) elements
b) matter
c) atoms
d) light

A combination of iron fillings and powdered sulfur is a
a) mixture
b) solution
c) compound
d) element

rust results when oxygen combines with
a) hydrogen
b) iron
c) gold
d) helium

H2O is the chemical formula for
a) carbon dioxide
b) hydrogen
c) water
d) table salt

A puddle of water is a
a) solid
b) liquid
c) gas
d)

An ice cube is a
a) solid
b) liquid
c) gas
d)

which of these is not found in the nucleus of an atom
a) electron
b) proton
c) neutron
d)

electrons have this kind of charge
a) positive
b) negative
c) no charge
d)

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