What are the three state of matter we have studied so far?
Solid, Liquid, Gas
100
All things are made of _________.
matter
100
What is the name for the Science tool we use to measure temperature?
A thermometer.
100
List 3 SAFETY items used in the Science classroom.
Examples: goggles, gloves, aprons, lab coat, fire extinguisher, fire blanket
100
What is a mixture?
A mixture is a combination of two ore more substances that do not join together to form a new substance.
200
Give 1 example of a liquid, and tell what shape it takes.
Some examples are: Water, Tea, Coke...all liquids take the shape of their container.
200
If an object displays the property of buoyancy, that means that it ____________.
floats
200
What is temperature?
How hot or cold something is.
200
List 3 Science TOOLS used in the Science classroom.
Examples: Graduated cylinder, hot plate, triple beam balance, beaker
200
What does the word 'dissolve' mean?
To form a solution with another substance. The item that dissolves gets smaller and smaller, until you cannot see it any longer...but it's still there! :)
300
True/False A solid takes the shape of it's container.
False!
300
Describe what the term 'solubility' means.
Solubility is the ability of a substance to dissolve in a liquid. Example: Salt dissolves in water.
300
What is the freezing point of water? (in celsius)
The FREEZING point of water is 0 degrees celsius.
300
Describe a situation in the Science lab which would require you to wear safety goggles.
Example: Heating water in a glass container to demonstrate condensation.
300
How did we easily separate iron filings from sand?
Since iron is a magnetic metal, we held a magnet over the sand, and all of the iron filings were attracted, or stuck, to the magnet.
400
Describe how the particles in a gas are arranged.
The particles in a gas are spread out and move freely.
400
List 3 physical properties of salt.
Examples: Soluble in water, white, solid.
400
What is the boiling point of water? (in celsius)
The boiling point of water is 100 degrees celsius.
400
While investigating Meal Worms, what type of safety equipment would be necessary for our hands, and why?
We would want to wear gloves, so that we would not get anything from the meal worm on our hands.
400
What is a solution?
A solution is a special type of mixture in which the substances are spread out evenly between one another and cannot be told apart.
500
Describe one example of a solid changing from one state of matter to another.
One example: An ice cube (solid) melting, and becoming a liquid.
500
What is a physical property?
A characteristic of matter that can be observed or measured and can be changed without changing the matter itself.
500
In order to cause a candy bar to melt, the temperature must be ____________.
increased, or decreased
Increased....if the temperature gets hotter, the candy bar will melt.
500
What is a triple beam balance used to measure?
A triple beam balance is used to measure the mass of an object.
500
Which of the following is a solution:
Pepper and water
Kool-Aid
Italian Salad Dressing