Measurement
Observations/Inferences
Graphing
Variables
The Scientific Method
100

What are the basic metric units for temperature?

Celsius 

100

What is an observation?

An observation is defined as using one or more of the five senses to gather information

100

What ALWAYS goes at the top of your graph?


(2 things)

Title AND name

100

 A cow is given a growth hormone and then compared to another cow that was not given a growth hormone.  Both cows were weighed at 2 years.


What is the independent variable?

The growth hormone

100

What is step one of the scientific method?

The purpose or problem 

200

What tool AND unit do we use to find length?

Ruler and CM (or mm)

200

What is an inference? 

An inference is defined as the development of ideas based on observations

200

What variable goes on the X-axis?

independent variable 

200

A stapler is used to staple 100 papers, it jams 5 times during the trial. A different brand of stapler performs the same test; it jams 22 times. 


What is the dependent variable?

How many times to stapler jams 

200

What is step 2 of the scientific method?

Conduct Research 

300

How do you find the volume of water?

Use a graduated cylinder and measure the bottom of the meniscus 

300

There is a zebra in the picture


observation or inference?

observation 

300

What variable goes on the Y-axis?

Dependent Variable

300

 An apple is cut into slices. Half of the slices are sprayed with lemon juice. All slices are stored in a sealed plastic bag. After 4 days, they are observed to see how brown they turned.  

What is the dependent variable?

How brown the apples turn

300

What is step 4 of the scientific method?

conduct an experiment 

400

How would you use water displacement to find the volume of a rock? 

1. Measure the starting volume

2. Drop the rock in

3. Measure the ending volume

4. Subtract the starting from the ending to get the volume of the rock

400

Through the window, it seems like it might be cold outside today


observation or inference?

inference 

400

When should you use a line graph instead of a bar graph?

When you are measuring time

400

 Two plants are grown using the same light and pots.  One plant is given water that has been microwaved and the other plant is given regular tap water.  Their height is measured after 2 weeks.


What are 2 constants?

same light and same pots 

400

What is the last step of the scientific method?

Your conclusion, share your results!

500

What is the difference between weight and mass?

With weight you factor in gravity, while mass is the same anywhere you are.

500

Kelly and Jenny are friends because they sat by each other today


What is the observation?

What is the inference?

observation: They sat by each other

Inference: They are friends

500

What does 

S

T

U

P

Y

X

stand for?

Scale

Title

Units

Plot 

Y-axis

X-axis

500

Cockroaches are exposed to a pesticide.  After 3 hours, 95% of the insects are dead.


What is the control?

A group of cockroaches not exposed to pesticide. 

500

What is the format for writing a good hypothesis?

If the independent variable increases/decreases 

then the dependent variable will increase/decrease because...