Sci. Method
A good hypothesis includes these three words.
If. then, because
The metric system is based on multiples of this number.
10
You need to measure 45 mL of water for a lab. What piece of lab equipment should you use for this?
Graduated cylinder
What is the density of water?
1 g/mL
A student wants to test how the amount of sunlight affects the growth of bean plants.
Plant three bean seeds in separate pots, each with the same type of soil.
Give each plant 100 mL of water every day.
Place one plant in full sunlight, one in partial sunlight, and one in no sunlight.
Measure the height of each plant after two weeks.
What are 3 constants in this experiment?
same seeds, same pots, same type of soil, amount of water
This type of observation uses your 5 senses to gather data about a subject's qualities, behaviors, or characteristics.
Qualitative observation
According to our metric ladder, what is the largest unit we use to measure length?
Kilometer
A wood block has the dimensions 3 cm x 4 cm x 5 cm. What is its volume?
60 cm3
The amount of matter/particles in an object is called?
Mass
Make a quantitative observation about yourself.
Answers will vary; response should include a number
A good conclusion follows the "CER" format. What does this stand for?
Claim
Evidence
Reasoning
You want to measure the length of your pencil. Which metric unit should you make this measurement in?
Centimeters (cm)
Explain how you can find the volume of a marble using the displacement method.
1. Fill a graduated cylinder with water (record starting volume).
2. Drop in the marble in and record what the water level rises to.
3. Subtract the two.
You pour olive oil (0.92 g/mL) into a glass of water. Will it sink or float and how do you know?
Float; less dense than water (1 g/mL)
What piece of lab equipment do we use to measure the mass of something?
Triple beam balance
You just bought a new kitten and want to know if giving it vitamins will make it grow faster. What's the independent variable?
Giving your kitten vitamins
Convert 670 mL = _________ L
0.670
Name the metric unit used to measure mass.
Grams (g)
The amount of space an object occupies is called?
Volume
The factor that YOU manipulate in an experiment is called?
Independent variable
In an experiment, the factor that we measure is called?
Dependent variable
What is the metric measurement for temperature?
Celcius
What is the symbol for dekaliters?
dkL
Calculate the density of a liquid with a mass of 24 g and a volume of 3 mL.
8 g/mL
Where is the dependent variable always located on a graph?
Y-axis