Physical Science Review
This quiz is a review of concepts learned in the Physical Science Unit
- 1.
Which of the following is an example of a compound?
- A.
Salt water
- B.
Water
- C.
Steel
- D.
Copper
- E.
Oxygen gas
Correct Answer
B. Water -
- 2.
Which of the following changes is a chemical change?
- A.
The metal pan heating up
- B.
The balloon expanding
- C.
The ice melting
- D.
The candle wick burning
Correct Answer
D. The candle wick burning -
- 3.
A metal spoon was left in a pot of boiling soup. The cook burned a finger by touching the spoon. Why did the finger get burned?
- A.
The metal spoon chemically reacted the cook's hand.
- B.
The metal spoon conducted electricity to the cook's hand.
- C.
The metal spoon conducted heat to the cook's hand.
- D.
The metal spoon insulated the cook's hand.
Correct Answer
C. The metal spoon conducted heat to the cook's hand. -
- 4.
Calcium, carbon, and oxygen can combine to form calcium carbonate, or chalk. Which of the following words best describes chalk?
- A.
Mixture
- B.
Compound
- C.
Element
- D.
Atom
Correct Answer
B. Compound -
- 5.
Which of the following is a physical change?
- A.
An egg frying
- B.
Bread baking in the oven
- C.
A match burning
- D.
A pond freezing in the winter
Correct Answer
D. A pond freezing in the winter -
- 6.
An alloy is a mixture of two or more metals. For example, sterling silver is a mixture of silver and copper. Which of the following is also an alloy?
- A.
Aluminum
- B.
Lead
- C.
Gold
- D.
Brass
Correct Answer
D. Brass -
- 7.
As part of a science project, Tony combines the elements sodium (Na) with chlorine (Cl) to produce table salt (NaCl). This is an example of what kind of change?
- A.
Material
- B.
Physical
- C.
Chemical
- D.
Thermal
Correct Answer
C. Chemical -
- 8.
Water results from the combination of two hydrogen atoms and one oxygen atom. Which of the following best describes water?
- A.
Water is an element.
- B.
Water is a mixture.
- C.
Water is an atom.
- D.
Water is a molecule.
Correct Answer
D. Water is a molecule. -
- 9.
If an element has a gray luster and can be drawn into wire, it is probably a (an) --
- A.
Nonmetal
- B.
Gas
- C.
Metal
- D.
Alloy
Correct Answer
C. Metal -
- 10.
What is the term for the smallest particle of a compound that still has all the chemical properties of that compound?
- A.
Cell
- B.
Atom
- C.
Element
- D.
Molecule
Correct Answer
D. Molecule -
- 11.
Which of the following materials best conducts electricity?
- A.
Wood
- B.
Rubber
- C.
Copper
- D.
Plastic
Correct Answer
C. Copper -
- 12.
According to the Periodic Table of Elements, which of the following elements has a higher atomic number than cobalt (Co)?Click Hereto view Periodic Table of Elements, needed to answer this question
- A.
Hydrogen (H)
- B.
Sodium (Na)
- C.
Calcium (Ca)
- D.
Copper (Cu)
Correct Answer
D. Copper (Cu) -
- 13.
A scientist is experimenting with a newly discovered substance. When she heats it over a flame, it melts. The scientist has just learned that
- A.
The new substance cannot be a compound
- B.
The new substance cannot be an element
- C.
The new substance has undergone a chemical change
- D.
The new substance has undergone a physical change
Correct Answer
D. The new substance has undergone a physical change -
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-
Current Version
-
Dec 21, 2015Quiz Edited by
ProProfs Editorial Team -
Mar 09, 2010Quiz Created by
Srdelgado
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