Advanced Science 6
Name ________________________
Chapters 4-5 Test
Date ___________________
Period ___________
Chapter 4: Heat
Identify the choice that best completes the statement or answers the question.
____1. Heat is caused by the:
a. size of atoms.
b. structure of atoms.
c. motion of atoms.
d. space between two or more atoms.
____2. Faster atoms have more ____ than slower atoms.
a. kinetic energy
c. potential energy
b. solar energy
d. None of the above
____ 3. Most of the energy from the sun reaches the surface of Earth by:
a. conduction
c. radiation
b. convection.
d. All of the above
____ 4. Most of the energy from the sun reaches the surface of Earth as:
a. infrared
c. ultraviolet
b. x-rays
d. visible
____ 5. Martin places a pot of water on the stove to cook spaghetti. As the water heats up, the
water molecules start moving the spaghetti around in the pot. This is caused by:
a. conduction
c. radiation
b. convection.
d. All of the above
____ 6. The key characteristic of heat transfer by conduction is that heat is transferred:
a. by the rising of atoms.
c. by radiant energy.
b. by the sinking of atoms.
d. from the direct contact of atoms.
____ 7. Daniel touches an oven rack while baking cookies and burns his finger. Heat was
transferred to the atoms in his hand by:
a. conduction
c. radiation
b. convection.
d. All of the above
____ 8. Penelope puts her hands in front of a fireplace to heat them up. Heat is being
transferred to the atoms in her hands by:
a. conduction
c. radiation
b. convection.
d. All of the above
____9. Convection involves the movement of heat energy in:
a. gases and liquids.
c. solids and gases.
b. liquids and solids.
d. gases, solids, and liquids.
_____ 10. The transfer of heat that involves energy waves through empty space is:
a. conduction
c. radiation
b. convection.
d. All of the above
_____ 11. When the Sun’s radiant energy arrives at the Earth, the energy is:
a. absorbed
c. both
b. reflected
d. neither
_____ 12. Which of the following are part of the electromagnetic spectrum that
come from the sun?
a. infrared, visible, x-rays
c. ultraviolet, visible, micro
b. infrared, visible, ultraviolet d. micro, visible, x-ray
Chapter 5: Density and Buoyancy
____ 13. The density of an object equals its:
a. mass × volume.
c. volume + mass.
b. mass ÷ volume.
d. volume ÷ mass.
____ 14. Density is typically measured in which SI units?
a. g/cm
c. g/cm3
b. g/cm2
d. g/cm4
____ 15. If an object is more dense than the fluid it is placed in, it will:
a. float.
c. have neutral buoyancy.
b. sink.
d. dissolve in the fluid.
____ 16. If an object with a density of 2.0 g/cm3 is placed in a fluid with a density
of 3.9 g/cm3, the object will:
a. float.
c. have neutral buoyancy.
b. sink.
d. dissolve in the fluid.
____ 17. How does the density of a gold necklace compare to a gold key?
a. It is higher.
c. It is the same.
b. It is lower
d. You can’t tell without the numbers.
____ 18. By definition, matter that has the ability to flow is a:
a. fluid.
c. liquid.
b. gas.
d. All of the above
____ 19. Which of the following is NOT a fluid?
a. oxygen
c. milk
b. vegetable oil
d. pencil
____ 20. An upward lifting force that acts on an object when it pushes aside a fluid is:
a. friction
c. buoyant force
b. density
d. gravity
____ 21. Warm air rises above cool air because:
a. warm air is less dense than cool air.
b. warm air is more dense than cool air.
c. warm air has the same density as cool air.
d. warm air has more weight than cool air.
Use the following table for # 22-23. When finding the answers to the following, you must
show the formula you used and the substitutions. (2 points per problem)
A.
B.
C.
D.
Material Density
Aluminum 2.7 g/cm3
Glass 2.3 g/cm3
Iron 7.8 g/cm3
Wood 0.9 g/cm3
____ 22.A block has a mass of 296 grams and a volume of 38 cm3.
The block is made of which material?
____ 23. A block takes up 201 cm3 of space and contains 181 grams of material.
The block is made of which material?