What tool should be used to measure the amount of heat in a liquid?
Thermometer
100
A mixture is always--
A. heavier than other kinds of matter.
B. impossible to separate.
C. a solid combined with a liquid.
D. made of two or more materials.
D. Made of two or more materials.
100
What kind of energy gets stored inside a parked car on a sunny day?
Heat (or thermal)
100
What most likely causes a landslide?
Heavy rainfall
200
A student observes a puddle that seems to be disappearing. What phase change is occurring?
A. A solid becoming a gas.
B. A solid becoming a liquid.
C. A liquid becoming a gas.
D. A liquid becoming a solid.
C. A liquid becoming a gas.
200
A balance is most useful for measuring what?
The mass of an object.
200
What tool can be used to separate a mixture of iron and plastic paper clips?
A magnet.
200
What type of energy is produced by a ringing bell?
Sound
200
An island in the middle of the ocean increased in size in only few weeks. What most likely caused this rapid change in the island?
Eruptions of a volcano
300
Which of the following describes a solid?
A. Takes the shape of its container.
B. Pours easily forming a puddle.
C. Keeps its shape and size.
D. Escapes into the air from an open dish.
C. Keeps its shape and size.
300
What tool would be useful to measure how long it takes for an ice cube to melt?
A timer or stopwatch
300
Which of the following is a mixture?
A. Sand and gravel
B. White sand and red sand
C. Sand and pebbles
D. All of the above
D. All of the above
300
What would a student do to start a swing moving?
Push or pull it!
300
Earthquakes--
A. throw rocks and ash into the air.
B. force lava through holes in the ground.
C. violently shift the surface of the earth.
D. cause clouds to form and rain to fall.
C. Violently shift the surface of the earth.
400
When an ice cube melts, what phase change is occurring?
A. A liquid becoming a gas.
B. A solid becoming a gas.
C. A gas becoming a liquid.
D. A solid becoming a liquid.
D. A solid becoming a liquid.
400
What tool could be used to measure how far a toy car moves after being pushed?
A ruler
400
All of the following liquids are mixtures EXCEPT--
A. lemonade
B. chocolate milk
C. water
D. iced tea
C. water
400
Students launch air rockets in their science class. Air pressure from a hand pump causes the rocket to rise into the sky. What force causes them to return toward the ground?
Gravity
400
Which landform is described below?
*lower than the land around it
*in between two taller landforms
*sometimes v-shaped
Valley
500
Name 2 solids, 2 liquids, and 2 gases.
Examples:
Solids: table, chair, wall, door, pencil, book
Liquids: water, milk, Coke, coffee, iced tea, rain
Gases: oxygen, carbon dioxide, helium, bubbles in soda
500
What tool could be used to examine something more closely?
A. Hands lens
B. Beaker
C. Magnet
D. Compass
A. Hands lens
500
Students have a jar of pennies. How could they make this a mixture?
By adding something to it (such as adding nickels, dimes, or quarters)
500
Which of the following would best show how gravity can move a book?
A. Sliding it across the table
B. Dropping it onto the floor
C. Carrying it to a bookshelf
D. Turning it face down
B. Dropping it onto the floor
500
What is the main difference between mountains and hills?
Mountains are taller than hills. Mountains have peaks while hills are rounded on top. Mountains are wider than hills.