Fast and Hard Challenge

What is the fastest land animal?

• The fastest land animal is the elephant.

• The fastest land animal is the snail.

• The fastest land animal is the tortoise.

• The fastest land animal is the cheetah.

In which sport is the term 'fast break' commonly used?

• Golf

• Tennis

• Soccer

• Basketball

What is the speed of sound in air at sea level?

• The speed of sound in air at sea level is approximately 500 meters per second.

• The speed of sound in air at sea level is approximately 100 meters per second.

• The speed of sound in air at sea level is approximately 200 meters per second.

• The speed of sound in air at sea level is approximately 343 meters per second.

Name the fastest bird in the world.

• Peregrine Falcon

• Chicken

• Penguin

• Ostrich

What is the fastest recorded speed of a human on foot?

• The fastest recorded speed of a human on foot is 27.8 miles per hour (44.7 kilometers per hour) by Usain Bolt.

• The fastest recorded speed of a human on foot is 50 miles per hour

• The fastest recorded speed of a human on foot is 35 miles per hour

• The fastest recorded speed of a human on foot is 20 miles per hour

What is the hardest natural material on Earth?

• Steel

• Plastic

• Wood

• Diamond

In physics, what is the term for the rate of change of velocity?

• Acceleration

• Velocity

• Deceleration

• Speed

What is the hardest substance in the human body?

• Bone marrow

• Cartilage

• Dentin

• Tooth enamel

What is the fastest fish in the ocean?

• Blue whale

• Sea turtle

• Clownfish

• Sailfish

What is the hardest type of rock?

• The hardest type of rock is diamond.

• The hardest type of rock is shale.

• The hardest type of rock is limestone.

• The hardest type of rock is sandstone.