Laboratory Safety and Science Quiz

What should you do to safely smell a liquid in the laboratory?

• Sniff directly

• Use wafting

• Smell it through a cloth

• Hold your breath while smelling

What should you wear in the laboratory?

• Sandals and gloves

• Closed-toe shoes, lab coat, safety goggles

• Sneakers and a hat

• Loose clothing and glasses

What is the correct lab behavior?

• Playing is allowed

• Always follow safety rules

• Ignore other people

• Leave equipment unattended

Who discovered radio waves?

• Isaac Newton

• Heinrich Hertz

• Albert Einstein

• Nikola Tesla

What is the difference between AM and FM?

• AM varies frequency, FM varies amplitude

• AM varies amplitude, FM varies frequency

• AM is clearer than FM

• FM can travel farther than AM

What causes radio interference?

• High amplitude signals

• Mixing of multiple signals

• Weak frequencies

• Blocked antenna

How are metamorphic rocks formed?

• By cooling magma

• Through sediment deposition

• From heat and pressure

• By water erosion

What is sediment made of?

• Magma fragments

• Solidified minerals

• Bits of mud, shells, sand, stones, and bones

• Lava

Where are fossils most commonly found?

• Igneous rocks

• Sedimentary rocks

• Volcanic ash

• Magma

What is the primary difference between magma and lava?

• Lava is hotter

• Magma is underground, lava is aboveground

• Magma cools faster

• Lava has more gases