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1st 9 weeks Benchmark
Contribué par: Messer
  • 1. Which Statement describes the location of the molecules of a gas in a sealed container?
A) Almost all of the molecules are at the bottom of the container
B) The molecules are spread far apart throughout the container
C) The molecules are packed closely throughout the container
D) Almost all of the molecules are at the top of the container
  • 2. Which of the following describes the motion of the molecules in a glass of liquid water
A) The molecules are moving at the same speed
B) The molecules are moving at different speeds
C) The molecules are not moving
D) The molecules move only when the glass of water is moving
  • 3. What happens when a cup of water is warmed?
A) the mass of the water molecules decreases
B) The water molecules break down
C) The number of water molecules decreases
D) The distance between the water molecules increases
  • 4. Which Statement about matter is TRUE?
A) Atoms are not matter but they are contained in matter
B) Matter exists only when you can see it
C) Living things are NOT matter
D) Matter is made up of atoms
  • 5. Which of the following is not made up of atoms?
A) A Gas
B) Heat
C) A Cell
D) A Solid
  • 6. About how many atoms would it take to make a line across a Pencil Point
A) 600
B) 6
C) 6,000,000
D) 6,000
  • 7. What happens as Liquid Water Boils
A) The mass of the molecule decreases
B) The molecules become separated from each other
C) The molecules break down into Hydrogen and Oxygen atoms
D) The molecules are destroyed
  • 8. Which of the following is the SMALLEST
A) A Germ
B) The Width of a Hair
C) An Atom
D) A Cell in your Body
  • 9. Which is BIGGER an Atom or a Blood Cell?
A) It depends on the kind of Atom
B) They both are the same size
C) The Atom is Bigger
D) The Blood Cell is Bigger
  • 10. What is a Hypothesis?
A) An absolute fact
B) A conclusion
C) The data collected in an experiment
D) An educated guess
  • 11. What is a VARIABLE?
A) The item that always stays the same
B) An educated guess
C) A step in the Scientific Method
D) The item that changes in an experiement
  • 12. What is this a picture of?
A) a beaker
B) a test tube
C) a graduated cylinder
D) a flask
  • 13. What is this a picture of?
A) a graduated cylinder
B) a beaker
C) a test tube
D) a flask
  • 14. What are these?
A) Eye Glasses
B) Safety Goggles
C) Sun Glasses
D) A Halloween Mask
  • 15. What is a Solution?
A) Oil and Water
B) when a mixture is saturated
C) two or more substances that can be taken apart
D) two or more substances that are perfectly dissolved
  • 16. A Fire
A) Mechanical Change
B) Chemical Change
C) Physical Change
D) No change
  • 17. Water into Ice
A) Mechanical Change
B) Physical Change
C) No Change
D) Chemical Change
  • 18. Apple Juice
A) Element
B) Mixture
C) Solution
D) Atom
  • 19. Mixed Nuts
A) Element
B) Solution
C) Mixture
D) Atom
  • 20. Elements on the Periodic Table
A) Over 100
B) 11
C) 300
D) 50
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