Grade 5 Science Quiz

Which idea below describes the atomic theory?

• Atoms make up compounds.

• Atoms can be rearranged to form new elements.

• Most atoms are metals.

• Everything is made up of tiny particles called atoms.

A sample of matter contains three types of atoms. The sample can be any of the following except ......

• a compound

• a molecule

• an element

The amount of matter an object has is its ...........

• Weight

• Volume

• Size

• mass

What is the smallest part of an element that has the properties of that element?

• Atom

• Matter

• Molecule

• Compound

............................. is a compound.

• Oxygen

• Hydrogen

• Water

Aluminium is commonly used in many industries because it’s ..................

• strong and heavy

• strong and light

• shiny and heavy

The ....................determines what the element is.

• number of electrons

• number of nucleus

• number of protons

Put (T) or (F) All atoms have the same number of protons.

Put (T) or (F) Metals and nonmetals are both good conductors.

Put (T) or (F) A compound is simply a mixture of two or more elements.