Observation
An investigation in which the factors that influence the outcome are kept the same except for one-the factor being studied.
Controlled Experiment
A factor that can change in an experiement
Variable
A logical conclusion drawn from observations, previous knowledge, and available information.
Inference
Label as Qualitative or Quantitively:
A blue hat
a 2 ft ruler
brown hair
8 g of milk for you to have at breakfast
qual, quant, qual, quant
A good hypothesis should be __________ and ideally written in an ______, _________ statement.
Testable; If, Then
A possible, testable explanation is called a _____
Hypothesis
Which is an example of Physical Science?
Counting Sheep
Observing what worms eat
Identifying snack food
Measuring the speed of a boat
Measuring the speed of a boat (non living)
A measurment is taken as 350 milliliters. What type of measurment is this?
Mass
Volume
length
Volume
The metric prefix "centi" represents....
1/100 th
A well tested explanation is called a ...
Theory
Why do we say that science doesn't prove anything?
Science is about collecting evidence, not proving things. Cannot be 100% sure.
A well tested description in science that often include math is called...
Law
Cubic meters is a measure of...
Mass
Volume
Temperature
Volume
Celsius is the SI unit measure for...
Mass
Volume
Temperature
Length
Temperature
What must be done if a a scientific law is not consistent with observations and cannot provide accurate prodictions?
Must be changed to reflect new information or discarded.
If you plant beans, use fertilizer on some and none on others but they all grow at the same rate, what can you say about the relationship of fertilizer and growth?
No relationship
The _________ variable goes on the _____ axis and the _________variable goes on the ______ axis.
Independent, X; Dependent, Y
You need to convert 2.5 centimeters to meters. 0.01 meters = 1 cm. Which of the following ratios would you use to convert?
0.01 m/1cm or 1cm/0.01m
0.01 m/1 cm
If an object has a mas of 0.35 kg, what is its mass in grams (g)?
350 g
1 in = 2.54 cm. How many inches is 5.89 cm?
2.32 in
If a car is moving at 80 feet per second, what is its speed in mph? 5280 feet = 1 mile; 3600 seconds = 1 hour.
About 54.5 mph
1 in = 2.54 cm. How many millimeters is 9.5 in?
241.3 mm
5280 ft = 1 mile; 3600 sec = 1 hour. If an object has a speed of 50 mph, what is its speed in feet per second?
about 73.3333333 feet per second
1 gallon = 3.78 L. If there are 45 gallons of water in a tank, what is the volume in mL?
170100 mL