Physical Science Rocks | Baamboozle - Baamboozle

English 36 Public

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Study Slideshow

What process occurs when ice absorbs heat energy from its surroundings?

The ice melts.

15

Did a physical change or a chemical change occur to the crayon in the picture?

physical change

20

Weiyi poured lemonade into a cup and took a sip. She noticed the lemonade was warm, so she put it in the freezer. She forgot about it until the next day. When she took it out of the freezer, the lemonade had changed from a BLANK to a BLANK.

liquid to solid

15

Roman mixed his favorite small snacks into a trail mix. How did the physical properties of the different snacks change when he created the mixture?

The physical properties stayed the same and did not change.

20

Sylvia placed baking soda and vinegar in the bottom of 4 water bottles. It started fizzing and the balloon began to increase in size. What kind of change is happening in the photo?

chemical change

15

What must always happen in order for a chemical reaction to occur?

A new substance is produced.

25

True or False: Magnets attract all metals.

False. Magnets attract some metals such as iron, nickel, and cobalt.

15

The diagram shows an electrical circuit. What object could be placed in the open space between the wires to complete the circuit? (nail, toothpick, eraser, pencil)

nail

15

Students construct a simple circuit and place an item in the path. All of the following materials will conduct electricity EXCEPT __________. (steel, rubber, copper, aluminum)

rubber

15

True of False: Socks from the dryer sticking together is an example of human-harnessed electricity?

False. Socks sticking together is an example of static electricity.

20

Which examples show human-harnessed electricity?

Examples 1 and 3

15

Why is current electricity a better source for use in our homes than static electricity?

You need a steady flow of electricity to run things, and you can turn off the electricity when not needed.

25

Which type of magnet can be turned on or off?

electromagnet

15

Which type of magnet maintains a magnetic field at ALL times?

permanent magnet (bar, horseshoe, wand, ring)

20

Which state is water when the atoms have the least amount of movement?

ice/solid

15

Electricity cannot flow through rubber, therefore rubber is a(n) ____________.

insulator

20