Four letter words
Falls/Concussions
Animals
Chemistry
100

This word means to lend a hand or assist a teammate

Help

100

How many points of contact should be maintained when climbing a ladder?

Three

100

What is the largest animal on Earth?

Blue Whale


100

What is the only metal liquid at room temperature

Mercury


200

This word means a group of people working toward one goal

Team

200

What is the leading cause of workplace injuries and fatalities?

Falls from heights

200

What mammal is capable of flight?

Bats

200

What is the hardest natural substance on Earth?

Diamond

300

This word can be written forward, backward, or upside down and still look the same

NOON

300

 A concussion is what kind of injury?

Traumatic brain injury (TBI) 

300

Which sea creature has three hearts?

Octopus

300

What is the chemical symbol for the element with atomic number 6?

C  (Carbon)

400

You do this to machinery to make sure it doesn't move during repair

Lock

400

You should always avoid this while climbing a ladder

carrying objects

400

The axolotl , often called the "Mexican walking fish", is not a fish. What type of animal is it?

Amphibian (a type of Salamander)

400

What is the most abundant element in the universe?

Hydrogen

500

This word means to measure or estimate size or amount

Gage

500

What was the Mighty Machine of the Month?

XE490U

500

This unique mammal lays eggs, has a duck-like bill, webbed feet, and produces venom — what animal is it?

Platypus

500

What chemical gives spicy peppers their heat?

Capsaicin