Using the 5 senses is known as...
an observation
An educated predication is called...
Hypothesis
How many independent variables should an experiment have?
1
The unit for mass is _____
grams (g)
Does size affect an object's density?
NOOOO!!!
An inference requires observations plus ____
Background knowledge
What is the first step of the scientific method?
Ask a question, make an observation or recognize a problem.
Which variable is controlled by the scientist?
Independent variable
If an object is irregular a _____ will need to be used to find the volume.
Graduated Cylinder
What is the formula for density?
D = M/V
Why do scientists make observations & inferences?
Helps scientists learn about the world around them, ask questions and solve problems
What is the ideal format for a hypothesis?
If... then... because...
Which axis should the dependent variable go on?
Y axis
What is the name of bird W?
Geospiza
Temperature and pressure
Which of the following is an inference?
A. The soil is wet
B. The flowers have 12 leaves
C. The ground is wet because it rained last night
D. I am going to grow taller
C. The ground is wet because it rained last night
Which of the following is a testable question?
A. Why does it rain?
B. Will adding baking soda to cookies make them bake faster?
C. How many colors are in the rainbow?
D. When is classroom productivity the best?
B. Will adding baking soda to cookies make them bake faster?
Determine the independent variable. Maria wants to see how different brands of shoes can influence how quickly her brother is able to run.
Different brands of shoes
What is the reading on this triple beam balance?
536.8g
Why does oil float on top of water?
Because oil is less dense than water OR water is more dense than oil
An observation that uses numbers is called...
Quantitative
What is the second last step of the scientific method?
Determine 3 constants in the following experiment. Mrs. Hodge wants to see how different amounts of sleep can affect her students' test scores. She sets up an experiment to test this.
A. What is the volume of the ring?
B. If the mass is 24 what is the density of the ring?
4 mL
6 g/mL
Which objects will float on water? (Choose all that apply)
A. A rock with a density of 2.0 g/ml
B. A boat with a density of 0.98 g/ml
C. A juice with a density of 1.01 g/ml
D. A ball with a density of 0.50 g/ml
B. A boat with a density of 0.98 g/ml
D. A ball with a density of 0.50 g/ml