Sound waves travel best through —
a. gases
b. liquids
c. solids
d. vacuums
C. Solids
Sound is a type of mechanical energy that is transmitted in the form of —
a. Waves
b. Light
c. Heat
d. electron
A. Waves
Anything that has mass and takes up space
What is matter.
By passing white light through a prism, you can tell —
a. that white light is actually a mixture of different colors
b. the mass of the prism
c. the original source of the light
d. that blue light is brighter than white light
A. That white light is actually a mixture of different colors
Which of these items would be best used to complete a circuit?
a. Rubber band
b. Metal nail
c. Leather shoelace
d. Wooden toothpick
B. Metal Nail
Oxygen, nitrogen, and carbon dioxide may be grouped together because at room temperature they are all a —
a. solid
b. liquid
c. gas
d. colloid
C. Gas
A high soprano singer can break a crystal glass if the glass resonates with her voice. In order to do this, the sound the singer makes has to be —
a. speeded up before reaching the glass
b. amplified before reaching the glass
c. reflected off the glass
d. able to vibrate the glass
D. Able to vibrate the glass
The smallest indivisble part of an element that retains the properties of that element.
What is an atom.
A person will see a flash of lightning before they hear the thunder that goes with it because —
a. the eye is quicker than the ear
b. the thunder occurs much later than the lightning
c. sound travels faster through the atmosphere than light
d. light travels faster through the atmosphere than sound
D. Light travels faster through the atmosphere than sound
Which of these substances conducts electricity the best?
a. Wood
b. Brick
c. Copper
d. Plastic
C. Copper
Which of these will change solid iron to a liquid?
a. Raising the air pressure
b. Increasing its temperature
c. Crushing the solid iron
d. Adding water to the iron
B. Increasing its temperature
Which material will sound travel through the fastest?
a. Water
b. Air
c. Steel
d. Cloth
C. Steel
The smallest indivisible part of a compound that retains the properties of that compound.
What is a molecule
Which of the following is the best observation of the refraction of light?
a. Looking at oneself in a mirror
b. Looking at a shadow of an object
c. Viewing an object through an open window
d. Viewing an object partially in water
D. Viewing an object partially in water
An electric motor is designed to turn electrical energy into —
a. solar energy
b. potential energy
c. static electricity
d. mechanical energy
D. Mechanical Energy
Water, ice, and steam are alike because they —
a. are the same compound
b. have the same shape
c. look the same
d. feel the same
A. Are the same compound
Sonar helps people find which information about an object?
a. Color
b. Weight
c. Location
d. Temperature
C. Location
A combination of two of more substances that can be physically separated into ints individual componenets
What is a mixture
Which of the following materials is transparent?
a. Clear window glass
b. Your eyelids
c. Solid wood door
d. White paper
A. Clear window glass
To make an electromagnet, a conductor should be coiled around —
a. a glass tube
b. an iron nail
c. a roll of paper
d. a wooden stick
B. An Iron Nail
People put sugar in their tea to make it sweet. The sugar will dissolve fastest when the tea —
a. is hot
b. is cold
c. is in a tall glass
d. has lemon in it
A. Is hot
How is the use of sound waves helpful to a whale?
a. It helps the whale locate food.
b. It makes the water warmer.
c. It makes it easier to obtain oxygen.
d. It signals fish to move out of the whale’s path.
A. It helps the whale locate food
The three states of matter
What is solid, liquid, and gas
Isaac Newton made made a discovery when he used a prism to produce a spectrum. Newton’s discovery led most directly to an understanding of the cause of —
a. x-rays
b. spots
c. rainbows
d. starlight
C. Rainbows
Benjamin Franklin discovered the form of energy produced by lightning. Experiments with lightning killed many people before he discovered that lightning is a form of —
a. gravity
b. water
c. magnetism
d. electricity
D. Electricity