Energy Conservation And Transfer Question Preview (ID: 38589)


6th Grade Science: Energy. TEACHERS: click here for quick copy question ID numbers.

Which material is the best conductor of electricity?
a) Wood
b) Metal
c) Stone
d) Plastic

Energy is transferred from the sun to Earth mainly by _______________
a) Sound Waves
b) Air Currents
c) Electromagnetic waves
d) Compressional waves

Which is not a factor that will increase an object’s temperature?
a) Increasing the intensity of the light shining on it
b) Increasing the length of time
c) The amount of light reflected
d) Amount of light absorption

Light waves shining through an object is called what?
a) Absorption
b) Reflection
c) Transmitted
d) Scattered

When colors are detected by the human eye, they can be classified as:
a) Infared
b) Visible Light
c) Ultraviolet
d) Radio Waves

When you are riding a bicycle at night, your bicycle's reflectors help people in cars see your bicycle. How do bicycle reflectors work?
a) They are made of a special material that gives off its own light.
b) They are hooked up to batteries that allow them to produce light.
c) They bounce light back from other sources.
d) They are covered with paint that glows in the dark.

If you leave a chocolate chip cookie on a windowsill during a bright, sunny day how could you prevent it from melting?
a) Place it closer to the window.
b) Put an object over it so the sun is reflected.
c) Put a magnifying glass over the cookie.
d) Nothing, chocolate chips don’t melt.

In general, metals are _________________.
a) poor conductors of heat
b) Brittle
c) poor conductors of electricity
d) good conductors or heat

Thermal energy is transferred through a material by the collision of _________within the material.
a) Matter
b) Atoms
c) Light
d) Crystals

Which of the following waves is not visible to the human eye?
a) Red Light
b) Ultraviolet Light
c) Violet Light
d) Blue Light

The change in the direction of a wave when it enters a new medium is called _______________
a) Diffraction
b) Reflection
c) Refraction
d) Superposition

Which of the following materials is the best insulator?
a) Copper
b) Nickel
c) Gold
d) Wood

Which kind of energy is produced by generators at a dam?
a) Nuclear
b) Electrical
c) Chemical
d) Solar

When you hold an ice cube, your hand feels cold because
a) The cold flows from the ice cube to your hand by conduction
b) Heat flows from your hand to the ice cube by conduction
c) Ice is a poor conductor of heat.
d) Your hand is a better conductor of heat than the ice cube.

What is the primary source of energy on Earth?
a) The Sun
b) Moon
c) Water
d) Rock

What form of energy causes an ice cube to melt?
a) Mechanical
b) Sound
c) Magnetic
d) Heat

What are often called the building blocks of matter?
a) Cells
b) Compounds
c) Molecules
d) Atoms

Which of the following involves a change in physical properties only?
a) Baking of a loaf of bread
b) Burning wood in a fire
c) Freezing water into ice
d) Mixing with an acid.

What is the name of the change that occurs when a gas turns into a liquid?
a) Condensation
b) Melting
c) Duplication
d) Vaporization

Which of the following involves a change in chemical properties?
a) Boiling water to make steam
b) Mixing baking soda and vinegar to make a bubbles of carbon dioxide
c) Melting a bar of solid gold to make liquid gold
d) Tearing a piece of paper to make smaller pieces of paper

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