Sol Science

A group of campers travels to a cabin that has no electrical power. In order to provide power for a heater and lights, which device would be appropriate?

• A resistor

• An insulation

• A generator

• A voltmeter

Tags

NGSS.MS-ETS1-1

As the frequency of a wave decreases, the wave's −

• speed decreases

• amplitude increases

• period decreases

• wavelength increases

Tags

NGSS.HS-PS4-1

Drake flies a distance of 1,000 miles from New York to Florida. The flight takes 2 hrs. What is his velocity?

Use a calculator. S=D/T

• 500 mi/hr South

• 500 mi/hr North

• 2,000 mi/hr South

• 2,000 mi/hr North

The difference between a Physical change and a Chemical change is…

• Physical change is only a change to the outside appearance.

• Chemical change is when matter is changed into something new.

• Atoms are rearranged in chemical changes & not in physical.

• All are correct.

Tags

NGSS.MS-PS1-4

A(n) ______ is a substance with a pH less than 7

• Acid

• Alkaline

• Base

• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base

• Acid

• Buffer

• Water

According to the pH range which substance is more acidic than lemon juice

• Hydrochloric acid

• cabbage

• milk

What does this illustrate

• Elements

• Compunds

• Mixture of Elements and Compunds

• Mixture of Compounds

Tags

NGSS.MS-PS1-1

What does this pic illustrate?

• Element

• Mixture of Compunds

• Mixture of elemets

• Compounds

Tags

NGSS.MS-PS1-1

Which of the following is matched incorrectly.

• Air: compound

• Steel alloy: homogeneous mixture

• Glucose (C₆H₁₂O₆⁾: compound

• Cookies & Cream: heterogenous mixture

Tags

NGSS.MS-PS1-1