Scientific Method
Matter
Graphing and Metric
Calculations
Energy
100
The process of solving a problem is known as an
experiment
100
The amount of matter in a substance is known as...
mass
100
24 mL
100
Calculate the density for the following situation. A loaf of bread has a volume of 500 cm3 and a mass of 200 g. What is the density of the bread?
0.4 g/cm3
100
How many laws does Isaac Newton have
3
200
What is the part of an experiment that does not change, and serves as a basis for comparison?
The Control
200
In which phase are particles generally the closest to each other?
Solids
200
What is the volume of a cube that is 4.5 cm by 3.9 cm by 5 cm?
87.75 cm3
200
If Kyle is traveled 247.5 miles over a span of 4.5 hours, what was his speed?
55 m/s
200
True or False. Energy CAN be destroyed.
FALSE
300
What is the difference between an independent variable and a dependent variable?
An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable.
A dependent variable is the variable being tested and measured in a scientific experiment.
300
All matter is made up of
atoms
300
Convert 400 mm to kilometers.
0.0004 km
300
Calculate the work using the given numbers.
Distance= 305 m
Force= 20 N
6,100 Joules
300
Water loses energy when it changes phase from
solid to gas
400
A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
The gender of the alligator
400
When heat is added to a liquid and becomes a gas.
Evaporation
400
The temperature reached 50 degrees Celsius after being heated for how long?
5 minutes
400
What is the potential energy of a cart with a mass of 45 g and a height of 7 m?
3,090.15 J
400
What is the difference between kinetic and potential energy?
kinetic energy is the energy of an object or a system's particles in motion
Potential energy is the stored energy in any object or system by virtue of its position or arrangement of parts
500
What is the correct order of the steps in the scientific method.
Ask questions, make a hypothesis, test the hypothesis (the experiment), analyze results, draw conclusions, communicate results.
500
How do these phases (solid, liquid, gas) rank in order of the relative speed of their particles? Rank them from fastest to slowest speeds.
Gas, Liquid, Solid
500
An object has 200 grams of mass a gravitational pull of 9.81 and is at a height of 16 meters. Convert the mass into kilograms and use that to calculate potential energy.
31.36 J
500
5.0 g of copper was heated from 20°C to 80°C. How much energy was used to heat copper? (Specific heat capacity of Cu is 0.092 cal/g °C)
27.6 J
500
A push or pull on an object is the definition for
energy