Show:
Properties of Water
Matter
Energy
Changes to Land
Mix It Up
100
At what temperature will water turn to ice if placed in a freezer?
0*C
100
Two objects are placed in water. One sinks and the other floats. Which of the following is the most reasonable conclusion that can be drawn from this data?
One object has a greater density than the other
100
Which form of energy is used to power a computer?
Electrical
100
A delta is made of sediments deposited at the mouth of a river. The delta is formed when –
Moving water slows down
100
Climate and weather are different concepts, though they are related. How are the concepts of weather and climate different?
Climate covers larger areas and longer times than weather.
200
A student measured 100 mL of ice water into a glass beaker and placed the beaker on a hot plate. At what temperature will the water begin to boil?
100*C
200
A student added sugar to a glass of water and stirred. After ten minutes the sugar was no longer visible. The sugar seemed to disappear because sugar -
dissolves in water
200
Which form of energy allows us to see our reflection in a mirror?
Light
200
Sand dunes are created when sand is moved and deposited by –
strong, persistent winds
200
An image can be seen in a shiny surface when light is –
Reflected
300
At 0°C, water changes from what phase to what other phase?
Liquid to a solid
300
If sugar is dissolved in water to create a solution, which physical property of the sugar would stay the same before and after it was dissolved?
Sweet taste
300
A lamp uses electrical energy to produce what two other kinds of energy?
Heat and light
300
Glaciers are masses of ice that move slowly on land. Which of these features was likely formed by a glacier? A. a wide valley B. a deep ocean C. lava flow D. mountain range
A. A wide valley
300
A science class completed a study on how objects move. All of the following would be considered appropriate when testing the effects of the force of motion on an object EXCEPT A. throwing a baseball B. two teams playing tug-of-war C. measuring the size of two marbles D. paddling backwards in a boat.
C. Measuring the size of two marbles.
400
A student took out a cup of frozen water from the freezer. At what temperature would the water begin to change from a solid to a liquid?
0*C
400
A student was investigating a sample of matter that is attracted to a magnet and is a good conductor of electricity. Based on this evidence, the matter is made of -
iron
400
A house has underground pipes that pump water below the surface of the earth to heat the home. Which alternative energy source does this house use?
Geothermal
400
A river flowing across the rocky surface of the earth could create which of the following? A. Dunes B. Mountain C. Canyon D. Hill
Canyon
400
A sudden change in temperature can affect current weather conditions in a specific area, whereas changes in average weather conditions over a long period of time result in the area's............
Climate
500
A container of water in the liquid state is heated to 100°C. At this temperature, what will happen? The water will –
Boil
500
When sand is mixed with gravel the mixture will –
Contain sand and gravel
500
A hydroelectric power plant generates electricity by using the energy of which of the following? A Blowing wind B Organic material C Moving water D Earth’s core
Moving Water
500
Canyons and deltas are similar in that both form -
Due to the action of moving water
500
What is the difference between refraction and reflection?
Light bounces off when it is reflected and bends when it is refracted.