Matter
Changes from Heat
Mixtures
Forms of Energy
Electricity
100
The upward force exerted on an object by the fluid which surrounds it.
bouyancy
100
What happens to the state of matter of an ice cube when it gets left out in the sun?
changes from a solid to liquid
100
A mixture of sugar and water is different from a mixture of sand and water because when sugar is mixed with water, the sugar – A. floats on top of the water, but the sand sinks B. can’t be removed from water, but sand can C. dissolves in the water, but the sand does not D. can be removed with a magnet, but sand cannot
What is C dissolves in the water, but the sand does not
100
A flashlight produces light energy by using which one of the following types of energy from batteries? A. Electrical B. Solar C. Nuclear D. Sound
What is A electrical energy
100
All of the objects below are conductors of electricity EXCEPT– A. an aluminum nail. B. a rubber band. C. a copper penny. D. a steel fork.
What is B, a rubber band
200
The following items are classified based on their ________. strawberry fruit punch tomatoes
Physical Properties
200
On a hot, summer day, water droplets often form on the outside of a cold glass of water. The water droplets form when water vapor in the air – A. loses heat on the cold glass B. reacts with the chemicals in the air C. gains energy from sunlight D. is moved about quickly by wind
What is A Loses heat on the cold glass
200
Which mixture could be separated easily by pouring it through a paper towel? A. Milk and water B. Sand and water C. Salt and water D. Juice and water
What is C salt and water
200
An object produces sound because it – A. reflects light from the Sun B. generates electrical energy C. absorbs heat from water D. causes air to vibrate
What is D, causes air to vibrate
200
Students hooked up a battery and bulb with wires as shown. For the bulb to light, the object the students place in the space between the two wires must be – A. a conductor of electricity B. made of plastic or wood C. at room temperature D. an electrical insulator
A, a conductor of electricity
300
Students found that a certain object was attracted to a magnet. This result means the students now know what about the object? The students know - A. the length and width of the object. B. that the object could be made of iron. C. whether or not the object will float. D. the mass of the object in grams.
B. that the object could be made of iron.
300
A lake that is frozen in the winter will melt during the spring. This happens because, in the spring - A. there are usually more days with rain B. many plants begin to grow new leaves and flowers C. the days are warmer and the sun shines longer D. humans get to spend more time outside
What is C the days are warmer and the sun shines longer
300
When 10 ML of dirt is mixed with 18 ML of rock the mixture will- A. become a liquid B. contain dirt and rock C. become a solution D. mutate
What is B, contain dirt and rock
300
What type of energy is used in an oven to bake a cake? A. Mechanical energy B. Sound energy C. Thermal energy D. Light energy
What is C, thermal energy
300
Students attached a coil of wire to a battery. When they placed a compass in the coil of wire, they observed the needle move. Why does the needle on the compass move when placed in the coil of wire? The compass needle moves because the flow of electricity – A. causes the wire to heat up. B. flows in only one direction. C. is generated by a battery. D. generates a magnetic field.
What is D, generates a magnetic field.
400
Students were given a ruler and were told to measure a number of objects with it. Using this tool, students will be able to measure what property of the objects? A. Size B. Mass C. Temperature D. Magnetism
What is A Size?
400
When a liquid is cooled, what change is likely to occur? A. Melting B. Condensation C. Evaporation D. Freezing
D, Freezing
400
Students made two mixtures. Mixture 1 was made by mixing salt into water. Mixture 2 was made by mixing iron filings into sand. Which of the following statements is true for both mixtures? Both mixtures can be separated - A. by pouring them through a filter B. back to their original ingredients C. using the property of magnetism D. out into a liquid and solid
What is B, back to their original ingredients
400
A boy is using a bow and arrow. What form of energy does a bow and arrow demonstrate? A. Electrical energy B. Mechanical energy C. Sound energy D. Thermal energy
What is A mechanical energy
400
There is a circuit with a battery, a bulb and an open switch, all connected with wires. This electric circuit can be completed by – A. unscrewing the light bulb B. closing the switch C. cutting the wires D. reversing the battery
What is B, closing the switch
500
The water level rises when the golf ball is placed in the container because the A. golf ball has no mass B. golf bar is hard C. the container is clear D. The golf ball takes up space and has mass
D The golf ball takes up space and has mass
500
A crayon is left outside on a sunny, summer day. All of the following will likely be observed EXCEPT – A. change of state B. change from liquid to gas C. some melting D. change in shape
What is B change from liquid to gas
500
If you mix together 5 ML of sugar and 25 ML of water, then put the mixture outside on a sunny Texan day to evaporate, what will happen to the cup in one week? A. 30 ML of water B. 35 ML of water C. 5 ML of salt D. 25 ML of water
What is C, 5 ML of salt
500
All of the following objects are used to produce heat or light energy EXCEPT – A. lamps B. ovens C. candles D. bicycles
What is D bicycles
500
When electricity flows in a complete path, it can produce which of the following? A. A magnetic field B. Solar power C. Nuclear energy D. A gravitational pull
What is A, a magnetic field
M
e
n
u