The measurement of the amount of matter in an object.
What is mass
100
What is the density of a brick with a mass of 200 g and a volume of 50 cm3 ?
4 g/cm3
100
Flammability is an example of a chemical or physical property?why?
Chemical Property - can't "reverse it" becomes a new substance
100
Anything that has mass and takes up space
What is matter
100
The basic particle from which all elements are made
What is an atom?
200
a measure of the force of gravity on you
What is weight
200
Calculate the volume of a wood block that has the length of 12 cm. the width of 2 cm. and a height of 3 cm.
Volume = 72 cm3
200
Flexibility is an example of a chemical or physical property? why?
Physical Properties - -can reverse it - you can unbend a metal
200
The equation of volume is:
Volume= Length*Width*Height
200
True or False: A substance that undergoes a physical change is still the same substance after the change
TRUE!!
300
Find the independent variable in this experiment:
In order to test whether different types of light affect plant growth, the plants were grown in sunlight, blue light and red light.
different types of light
300
If a ball has a mass of 6 g, and a volume of 12...what is the density
0.2 g/cm3
300
A characteristic of a pure substance that describes its ability to change into different substances.
What is Chemical Property
300
True or False: Mass does change with location, even when the force of gravity on an object changes
FALSE!! Mass does NOT change with location, even when the force of gravity on an object changes
300
True or False: Each elements are the simplest substances
TRUE!!
400
What type of mixture would a salad be an example of?
heterogeneous
400
What is the mass of a piece of plastic with a volume of 250 cm3 and a density of 0.8 g/cm3?
200 g
400
A characteristic of a pure substance that can be observed without changing it into another substance is the definition for:
What is Physical Property
400
What is the official unit of mass?
Kilogram/ grams
400
What are the prefixes for the metric system (that we learned about)?
Kilo Hecto Deca Units Deci Centi Milli
500
You can't see the different parts of lemonade, therefore its this type of mixture
What is a homogeneous mixture?
500
What is the volume of a graduated cylinder filled with water that has the mass of 24 g and a density of 1 g/mL?
24 mL
500
One chemical property of iron that will combine slowly with oxygen in air to form a different substance, rust. Is the definition for:
Chemical Property
500
Give me an example of something that is a molecule but not a compound
Two oxygen molecules
500
Is the melting of an ice cube a physical change or chemical change?