8th Grade Physical Science Quiz: Test
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(66).jpg "8th Grade Physical Science Quiz: Test")
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- 1.Which of the following is a physical property of an element?
- A.
Color
- B.
Ability to Rust
- C.
Flammability
- D.
Ability to Tarnish
- 2.During a chemical change, the form of a substance is altered, but not its identity.
- A.
True
- B.
False
- 3.A(n)____ is a group of atoms that are joined together by chemical bonds.
- 4.Which of the following is NOT a charactereistic of a compound?
- A.
Has different properties from the elements that formed it.
- B.
Pure substance made of two or more elements.
- C.
Different samples have different properties.
- D.
Can be represented by a chemical formula.
- 5.A change in matter in which energy is taken in is an endothermic change.
- A.
True
- B.
False
- 6.A measure of the average energy of random motion of particles of matter is______________
- 7.Anything that has mass and takes up space is an example of
- A.
Energy
- B.
Chemical change
- C.
Matter
- D.
Temperature
- 8.Every chemical or physical change in matter includes a change in...
- A.
Volume
- B.
Temperature
- C.
Energy
- D.
Mass
- 9.A(n) _____ of a pure substance can be observed without changing the substance.
- A.
Chemical property
- B.
Atom
- C.
Element
- D.
Physical property
- 10.Electrical energy is the energy of electrically charged particles moving from one place to another.
- A.
True
- B.
False
- 11.A chemical bond is
- A.
A group of atoms that are joined together.
- B.
The basic particle of matter.
- C.
The force that holds two atoms together.
- D.
A substance formed from the chemical combination of two or more atoms.
- 12.Which of the following is an example of a chemical change?
- A.
Melting butter
- B.
Mixing milk and chocolate syrup.
- C.
Breaking glass
- D.
Burning fuel
- 13.Breaking down water into the elements of hydrogen and oxygen is an example of a chemical change.
- A.
True
- B.
False
- 14.______ is the ability to do work or cause change.
- 15.Which of the following is NOT true of atoms?
- A.
They are composed of molecules.
- B.
They can combine with other atoms.
- C.
They make up elements.
- D.
They are extremely small.
- 16.In science lab, this chemical, which is also a pure element, turned color when it reacted with some of the crime scene suspect chemicals.
- 17.Ice is an example of the liquid state of matter.
- A.
True
- B.
False
- 18.In the CSICT crime scene lab, this liquid acid was an example of a chemical change by producing bubbles when it reacted with some of the powder from the suspects.
- 19.
![In the diagram below, "A" represents a pure substance or a mixture?
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In the diagram below, "A" represents a pure substance or a mixture? - 20.
![In the diagram below does "B" represents a pure substance or a mixture?
- ProProfs]( "In the diagram below does \"B\" represents a pure substance or a mixture?")
In the diagram below does "B" represents a pure substance or a mixture? - 21.
![In the diagram below, does "C" represent a pure substance or a mixture?
- ProProfs]( "In the diagram below, does \"C\" represent a pure substance or a mixture?")
In the diagram below, does "C" represent a pure substance or a mixture? - 22.
![In the diagram below, does "D" represent a pure substance or a mixture?
- ProProfs]( "In the diagram below, does \"D\" represent a pure substance or a mixture?")
In the diagram below, does "D" represent a pure substance or a mixture? - 23.
![IS AN ELEMENT OR COMPOUND REPRESENTED IN FIGURE "D" beIow?
- ProProfs]( "IS AN ELEMENT OR COMPOUND REPRESENTED IN FIGURE \"D\" beIow?")
IS AN ELEMENT OR COMPOUND REPRESENTED IN FIGURE "D" beIow?
.png "In the diagram below, \"A\" represents a pure substance or a mixture?")
.png "In the diagram below does \"B\" represents a pure substance or a mixture?")
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