If you put 10 grams of one substance and 20 grams of another substance together into a container and it undergoes a chemical reaction, how much total mass will be in the container after the reaction?
30 grams
What is matter?
Anything that has mass and takes up space.
How many of the 7 continents have countries?
6
What property of matter is affected by gravity?
Weight
What side of the road does England drive on?
The left side of the road
What is the volume of a 10 gram object that has a density of 2 g/cm3?
5 cm3
How do we define density?
How tightly packed the molecules of an object are.
What is the smallest state in the US?
At what temperature do the particles of matter have more energy? 20 degrees Celsius or 50 degrees Celsius?
50 degrees Celsius
Which scientist discovered gravity?
Isaac Newton
The acceleration caused by gravity is 9.8 m/s2 on Earth, and 1.64 m/s2 on the moon. If someone weighs 980 Newtons on Earth, how much do they weigh (in Newtons) on the moon?
164 Newtons
What state of matter has a fixed volume and takes the shape of its container?
Liquid
Pacific, Arctic, Atlantic, Indian, Southern
What property is responsible for whether something sinks or floats?
Density
Who was the youngest U.S. president to be elected into office?
John F. Kennedy
You have a container whose dimensions (L x W x H) are 2cm x 5cm x 10cm. This container is filled with water up to a height of 7.5cm. When you put a ball into the water, the height of water goes up to 9cm. What is the volume of the ball?
15 cm3
What are endothermic and exothermic changes?
Endothermic changes are changes that absorb energy.
Exothermic changes are changes that release energy.
Which country has the most neighboring countries?
Russia or China
What temperature (in Celsius) does water boil at?
100 degrees Celsius, 212 degrees Fahrenheit
Which athlete has earned the most Olympic medals?
If there are approximately 2.5 centimeters in an inch, 12 inches in a foot, and 3 feet in a yard, then about how many centimeters are in a football field?
9000 centimeters
What do we call the phase change that happens to dry ice when it heats up? (Remember, dry ice is frozen carbon dioxide)
Sublimation
Maine, New Hampshire, Vermont, New York, Pennsylvania, Ohio, Michigan, Minnesota, North Dakota, Montana, Idaho, Washington and Alaska.
Burning is an example we used for two different types of changes. What are those two types of changes?
Chemical change and exothermic change.
Who is/are the best-selling musical artist(s) of all time?
The Beatles