7th Grade Science- Review for Test #1

What is a physical property of matter?

• Something you can sense with one of your 5 senses (color, texture, smell)
• The chemical properties of an element
• How strong an element is
• The heat of combustion of a molecule

What is the atomic number of an element?

• The number of protons + number of neutrons
• Number of electrons
• Number of protons
• Number of neutrons

What is matter?

• Something that takes up no space or mass
• Something that is important and "matters" to you
• Something that takes up space and has mass
• Something that is a solid, liquid, or gas

What does the Kinetic Theory of Matter state?

• Thats everything is made up of cells
• That everything is made up of Skittles
• Thats everything is made up of atoms that are in constant motion
• That everything moves around all the time

What is an atom made of?

• Protons, neutrons, and electrons
• Protons, neutrons, and electricity
• Protons, internet, and WiFi
• Protons, potato chips, and salsa

What is an element made of?

• hundreds of atoms
• thousands of atoms
• millions of atoms
• trillions and trillions of atoms

Is a Compound an Element?

• No, a compound is made of elephants
• No, a compound is made of elements
• Yes, a compound and element are the same
• Yes, elephants make up compounds

Which of these is an example of a physical property?

• Boiling point
• Heat of combustion
• Corrosiveness
• Toxicity

What is the boiling point of water?

• 100^o Celsius
• 100^o Farenheit

What is the atomic mass of the above element?

• 1
• 1.0078
• 2.0156
• 0