Matter and Energy EXAMS BUNDLE| Questions with 100% Correct Verified Answers

An apple turning brown after being cut is an example of - ANSWER Chemical Change The melting of butter is a ________ change because it does not produce any new substances. - ANSWER Physica

What is our spaceship-Earth analogy? - ANSWER Earth systems - ANSWER The four main physical systems of the earth: 1. Hydrosphere (water) 2. Lithosphere (geosphere) 3. Atmosphere (air) 4. Biosphere (life)

what is chemistry? - ANSWER the scientific study of the properties and behavior of matter what is matter? - ANSWER anything that takes up space (v) and has mass (v) what is the basic property of all matter? - ANSWER density what is the formula for matter? - ANSWER d=m/v physical properties: - A...

define elements - ANSWER pure substances that cannot be broken down chemically into simpler kinds of matter. contain only one type of atom define compounds - ANSWER 2 or more elements chemically combined define homogeneous mixtures, give examples - ANSWER same composition and properties througho...

is the thermal energy that flows from one substance to another when the substances differ in temperature. - ANSWER Heat Isaac wants to make s'mores. He holds a marshmallow on a metal skewer over a fire. A few seconds later, the marshmallow is cooked and the skewer feels warm. What most likely h...

mass - ANSWER the amount of matter in an object measured with a balance solid - ANSWER the state of matter that has a definite shape and a definite volume liquid - ANSWER the state of matter that has a definite volume but no definite shape volume - ANSWER the amount of space that an object takes ...

Check the box of ALL the living things - ANSWER tiger, bear Check the box of ALL the NON-living things - ANSWER Lamp, Scissors Water covers about_____ percent of Earth's surface - ANSWER 70% What percent of water is made up of oceans, lakes, and streams? - ANSWER 97%

Two features that distinguish matter are - ANSWER mass and volume An example of an endothermic reaction is - ANSWER water evaporating Look at the plate of candy below, would you describe the mixture as homogeneous or heterogeneous? - ANSWER Heterogeneous