1.7

Most extrasolar planets are discovered when they pass in front of their star and dim its light. This dimming is called what?

• An Orbit

• A Spectrum

• A Phase

• A transit

The flowers in the center of the daisy are called (a)   .

The white flowers that surround the daisy's center flowers are called (b)   .

• disk flowers

• ray flowers

Which insect is often called the thistle butterfly because it lays its eggs on the thistle plant?

• Monarch butterfly

• Viceroy butterfly

• Swallowtail butterfly

• Painted lady butterfly

What special protection has God given the goldenrod spider?

• Sticky webs for trapping prey

• Ability to fly short distances

• Slowly changing colors to match its surroundings

Tags

NGSS.MS-LS4-4

Which of the following would cause a very slow change to the ecosystem?

• A volcano erupting

• A flood washing away soil

• People cutting down trees

• A drought causing a dust storm

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

How do plants prepare for winter?

• dormancy

• migration

• hibernation

• collecting food

What is the role of pioneer organisms?

• create a disturbance

• slowly form new soil

• support animals needs

• save energy for a plant

Tags

NGSS.MS-LS2-2

What is the approximate value of the acceleration due to gravity on Earth in m/s²?

Tags

NGSS.HS-PS2-4

Which of the following is the pH value of a neutral solution?

What is the atomic number of Hydrogen?