5th Grade SOL Review (Science)

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.

• How fast Hayden reacted
• different sounds
• types of music
• Hayden

Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –

• a gas at room temperature.
• made of two different elements.
• given off by green plants.

These contain only one kind of atom. 

• element 
• mixture 
• water 

Sound is caused by? 

• force
• vibrations
• instruments

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Sound is a form of? 

• energy
• pitch
• volume

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Smooth surfaces _______ a lot of light.

• reflect
• bend
• absorb
• twist

Opaque means...

• No light passes through it
• All light passes through it
• Some light passes through it