Science Quiz

The melting point of a solid is 24.9oC. As heat is added to melt the solid, what happens to the particles?

• The motion of the particles increases.

• The motion of the particles decreases.

• The particles do nothing.

• The particles move closer together.

In a laboratory, a sealed container with 100g of steam (gas) is cooled until all the steam (gas) becomes a liquid. The container is then cooled further until all the water becomes a solid. Which of the following remains constant during both of these changes?

• The mass of the water

• The pressure in the container

• The total energy of the water

• The position of the atoms in the container

When heat and temperature are at their lowest, what state of matter is a substance in?

• Gas

• Vapor

• Solid

• Liquid

Which is true for every atom of an element?

• It is weightless.

• It has mass and volume.

• It is only in living things.

• It can be seen with a magnifying glass.

A(n) _______ is the smallest unit of elements that maintains the properties of that element.

• atom

• molecule

• cell

• particle

The building blocks of all matter are:

• Cells

• Molecules

• Atoms

• Compounds

Which of the following statements is false?

• Matter is made up of elements.

• Elements are made up of atoms.

• All elements have the same mass.

• Matter can be living or nonliving.

Which of the following statements is true?

• Diamond and copper are made up of the same atom.

• The atoms making up diamond and copper have the same mass.

The atoms making up diamond and copper have the same weight. Diamond and copper are made up of different atoms.

• True

• False

What is the smallest part of an element that still retains the same properties of the element?

• Nucleus

• Cell

• Molecule

• Atom