Earth Science and Physics Quiz

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What type of sunlight creates a warmer climate at the equator?

Reflected Sunlight
Indirect Sunlight
Solar Radiation
Direct Sunlight (correct)

The sun's energy is not essential for weather existence.

False (B)

What causes the uneven heating of the Earth's surface?

Earth's tilt on its axis

Warm air rises because it is less dense and creates __________ currents that circulate the atmosphere.

convection Signup and view all the answers

Match each term with its correct definition:

Convection = The transfer of thermal energy by movement of a fluid. Solar Radiation = Energy emitted from the sun. Direct Sunlight = Sunlight that is concentrated at the equator. Indirect Sunlight = Sunlight that reaches the poles, making them colder. Signup and view all the answers

What is the primary fuel for hurricane formation?

Warm water (C) Signup and view all the answers

Hurricanes can form anywhere in the world as long as the conditions are right.

False (B) Signup and view all the answers

What happens to hurricanes when they move over cold water?

They die or decay. Signup and view all the answers

A tropical cyclone that forms in the Northwest Pacific Ocean is called a ______.

typhoon Signup and view all the answers

Match the following terms with their definitions:

Hurricane = A tropical cyclone in the Atlantic and Northeast Pacific with winds 74 mph or higher Cyclone = A rapidly rotating storm system in the South Pacific and Indian Oceans Typhoon = A tropical cyclone in the Northwest Pacific with winds 74 mph or higher Warm Ocean Water = The main fuel for hurricane formation Signup and view all the answers

According to Newton's 2nd Law, what is the formula that relates force, mass, and acceleration?

F = ma (D) Signup and view all the answers

An object in motion will remain in motion only if no external forces act on it.

True (A) Signup and view all the answers

What is the term for the tendency of an object to resist changes in its motion?

inertia Signup and view all the answers

The formula to calculate acceleration is $a = \frac{F}{______}$

m Signup and view all the answers

Match the following Newton's Laws with their descriptions:

1st Law = An object at rest will stay at rest 2nd Law = Acceleration is produced when a force acts on a mass 3rd Law = For every action, there is an equal and opposite reaction Signup and view all the answers

What property of water allows it to stick to other substances?

Adhesion (C) Signup and view all the answers

Water has a pH of 7, making it an acid.

False (B) Signup and view all the answers

What is the term for the movement of water within porous materials?

Capillary Action Signup and view all the answers

A substance with a pH greater than 7 is known as a ______.

base Signup and view all the answers

Match the following pH values with their corresponding substances:

0 = Battery 4 = Blood 9 = Baking Soda 14 = Bleach or Lime Signup and view all the answers

Which of the following is a property of acids?

pH below 7 (D) Signup and view all the answers

Neutralization reactions make a solution more acidic.

False (B) Signup and view all the answers

What happens to blue litmus paper when it comes in contact with an acid?

It turns red. Signup and view all the answers

What is the main effect of the Coriolis Effect on wind in the Northern Hemisphere?

Winds curve to the right (C) Signup and view all the answers

Low pressure systems are associated with clear blue skies.

False (B) Signup and view all the answers

What is the primary purpose of jet streams in terms of weather patterns?

To move storms and weather systems from west to east. Signup and view all the answers

Air moves from areas of high pressure to _____ pressure.

low Signup and view all the answers

Match the following pressure systems with their characteristics:

High Pressure System = Pushes air away, associated with good weather Low Pressure System = Sucks air in, associated with bad weather Signup and view all the answers

Which of the following is a compound?

H2O (D) Signup and view all the answers

A homogeneous mixture has a uniform composition throughout.

True (A) Signup and view all the answers

What is a molecule?

A molecule is two or more atoms bonded together. Signup and view all the answers

The chemical formula for Ammonia is ______.

NH3 Signup and view all the answers

Match the following mixtures to their classification:

Milk = Homogeneous Mixture Cereal = Heterogeneous Mixture Chicken Noodle Soup = Heterogeneous Mixture Lemonade = Homogeneous Mixture Signup and view all the answers

What does the Law of Conservation of Mass state?

Matter is neither created nor destroyed during a chemical reaction. (C) Signup and view all the answers

Atoms can simply disappear during a chemical reaction.

False (B) Signup and view all the answers

What is the purpose of a coefficient in a chemical formula?

To show how many atoms or molecules are present in the reaction. Signup and view all the answers

The substances that undergo change in a chemical reaction are called __________.

reactants Signup and view all the answers

In the chemical formula $C_6H_{12}O_6$, how many hydrogen atoms are present in one molecule?

12 (B) Signup and view all the answers

A subscript is a number placed to the left of a chemical symbol.

False (B) Signup and view all the answers

When counting atoms in a formula, the first step is to write the __________.

chemical formula Signup and view all the answers

Inertia

The tendency of an object to resist any change in motion.

Net Force

The sum of all forces acting on an object within a system. It takes into account both magnitude and direction.