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Quiz 1.3
Quiz 1.3 on August 30th, 2019
Question | Answer |
---|---|
How can you test conductors and insulators? | Connect the object to a circuit and see if the bulb lights up |
Which metals are MAGNETIC? | steel, iron, nickel, cobalt (remember S.I.N.C) |
Which metals are NOT magnetic? | gold, copper, zinc, lead, aluminum |
What is a hypothesis? | a statement that comes BEFORE you do the experiment, which predicts what you think will happen |
What property has to do with sinking and floating? | relative density |
What is a conductor? | a material that ALLOWS heat or electricity to pass through |
What is an insulator? | a material that STOPS heat or electricity from passing through |
Examples of insulators | oven mitts, wood, glass, plastic |
Examples of conductors | gold, copper, aluminum, steel, ALL METALS are conductors |
An example of a solid changing to a liquid | ice melting and becoming water |
An example of a liquid changing to a solid | juice freezing into a popsicle |
An example of a liquid turning into a gas | water boiling and becoming water vapor |
Examples of gasses | oxygen, the carbonation in a soda (carbon dioxide), helium |
Examples of liquids | soda, broth, tea, coffee |
Examples of solids | ice, a table, glass, metals |
Why should you always repeat an experiment? | to make sure your results are RELIABLE |
examples of scientific investigations | creating a model, planning an experiment, observing |
What is the boiling point for water? | 100 degrees Celsius |
Examples of RENEWABLE resources - | air, water, sunlight, paper, cloth |
Examples of NON-renewable resources - | gasoline, fossil fuels, metals, diamonds |