Which is an example of a chemical change? frying an egg, boiling water, breaking a glass cup, crushing a piece of bread
What is frying an egg
100
Name the three states of matter
What are solid, liquid, gas
100
Which best describes an activity that does NOT result in the formation of a new material? baking a pie; molding clay; rusting a nail
What is "molding clay" the clay just has a new shape
100
Ms. Moxham's class was mixing some liquid in class. If them mixed 2 grams of sugar into 32 grams of liquid in class...how much would you final mixture weigh
What is 34 grams
100
Name the 5 factors of weather
What are temperature, wind (speed/direction), precipitation, humidity, air pressure
200
Which best explains why melting ice cream is a physical change?
It changes from a liquid to a gas ; A new substance is not produced; It does not produce a bad smell.
What is "A new substance is not produced"
200
Matter is...
What is ....anything that has mass and takes up space
200
Name three types of physical changes
What is "answers vary" (ex) crumple paper, fold paper, melt ice cream, break and egg
200
If I popped 10 grams of popcorn and gave it evenly to 4 groups of students. how much would ALL the popcorn weigh once it was popped?
What is 10 grams.
200
Name 3 weather tools and tell me what they do...
What is anemometer (wind speed), rain gauge (precip), ruler (precip), hygrometer (humidity), thermometer (temperature), barometer (pressure)
300
Which example is best described as a chemical change?
water evaporating; ice cream melting; iron rusting outside
What is "iron rusting outside" Rust is a new substance on the metal...
300
In this state, matter has no definite shape, no definite volume, and the molecules are far apart
What is gas
300
Name 3 types of chemical changes....
What is "answers vary" (ex) burn a match, combine vinegar and baking soda, roast a marshmallow, cook any food, etc
300
Mrs. Rohrman's class roasted marshmallows in class and noticed the the outside turned black. What type of change occurred during this experiment.
What is chemical. The burnt part was a new substance on the marshmallow
300
High pressure brings _______ weather, Low pressure brings ____________ weather
What is fair, rainy/stormy
400
Which is an example of a physical change? (A) ice melting into water; (B) fire burning a sheet of paper; (c) a nail rusting after being outside; (d)a penny turning green when placed
What is (A) ice melting into water...b/c you can reverse it by freezing it again
400
The gravitational pull on an object is the object's ________.
What is WEIGHT. Your weight will change on the moon bc of the gravitational pull, but you mass (the amount of matter you are made of) will remain the same
400
What happens to sugar when it is mixed with water and then heated to make syrup? (A) It melts; (B) It dissolves; (C) It evaporates; (D) It condenses
What is (B) It dissolves (mixes evenly into a liquid)
400
Mrs. Ebron's class mixed some baking soda and vinegar in their class. The mixture bubbled up and overflowed onto the floor. What type of changed occurred during this experiment?
What is chemical change...bubbles and irreversible.
400
Explain how wind and one of the types of heat transfer are related?
clue: its not touch or radiation!
What is wind works are a convection cell... Warm air rises and cool air falls. Convection in liquids and gases works the same way. Warmer temps rise and cooler temps fall.
500
Which will most likely result in a new substance being formed? (A ) boiling water; (B) cutting paper; (C) lighting a match; (D) mixing water and clay
What type of change results in a new substance being formed?
What is (C) lighting a match..the resulting change in color of the match is a clue to a chemical change
500
The 3 basic properties of matter are...
What are...shape, mass, and volume
500
Explain how the mass of a text book is greater than a piece of large chart paper, but not the volume?
What is...the piece of paper takes of more space (volume), but the text book is has more matter in it (mass).
500
Using a piece of paper...tell me one chemical change and one physical change that you could do to it.
What is "answers vary" (ex) (physical) fold it, bend it, roll it, cut it, wrinkle it (chemical) burnt it, put it in chemicals, etc
500
Name the 3 methods of heat transfer and tell me how heat moves
What is Conduction (touch), Convection (warm rise/cool fall), and Radiation (waves). Heat moves from hot to cold