Science World Return of the Mammoth

Anna's hummingbird is one of about __ hummingbird species that live in the U.S.

• 20

• 35

• 16

• 7

What do scientists think the bear-like shape is?

• An accumulation of dust and rocks settled over a buried crater

• A big tide pool

• An accumulation of clay and water that formed together

• A piece of metal left by a space shuttle that landed on Mars in the 80's.

What image was captured on Mars, by the powerful camera HiRISE?

• A rose

• An alien

• A teddy bear

• A penguin

In the table tennis test in Florida, scientists found that people's brains work harder when playing against what?

• Elephants

• Professional Athletes

• Gorillas

• Robots

An enormous, long necked dinosaur is also known as a __________.

• long neck

• titanosaur

• gigantosaur

• raptor

The distance between identical points on consecutive waves is called ________.

• wavelength

• wave miles

• wave inches

• biometric points

Researchers at Yale University detected a new color of hummingbird that's half blue and half ultraviolet. What is the name of this color?

• Blue Violet

• Ultra Blue

• Ultraturquoise

• Half & Half

4.59 Billion is the number of people worldwide with _____ ______.

• Social Studies

• Social Media

• Social Skills

• Social Anxiety

What is the average amount of time that Internet users spend on social media per day?

• 1 hour

• 3 hours

• 1.5 hours

• 2.5 hours

A chemical reaction that produces heat is called an ______ ______.

• endothermic reaction

• equestrian reactor

• exothermic reaction

• electric radioactivity