Lab Reports
Digestive System
Circulatory System
Misc.
Bonus
100
What is a control variable?
Things that could change/affect the DV. What we keep constant in an experiment.
100
What are the 3 functions of the digestive system?
Digestion, absorption, waste
100
What are the three parts of the circulatory system?
Blood, blood vessels, and heart
100
What are the three parts of a hypothesis?
If...then...because
100
What are the two pathways from the heart?
heart - lungs - heart heart - body - heart
200
What is the format for a graph title?
The Effect of IV on DV
200
What is physical digestion?
The breaking down of food into smaller pieces.
200
Where do the digestive system and the circulatory system connect?
Small intestine/villi
200
What are the two types of observations we can make?
Qualitative and quantitative
200
What is the format of a research question?
How does IV affect DV?
300
Draw and label the three trends we can see on a graph.
Increasing Decreasing Constant
300
What is absorption?
The body taking in the nutrients and water from our food
300
What are the four types of the blood?
plasma, red blood cells, white blood cells, platelets
300
What is an interpretation?
What we think about an observation
300
Draw the digestive system
Should have: mouth, esophagus, stomach, small intestine, large intestine
400
What are the three phrases you can use to evaluate your hypothesis?
Fully supported Partially supported Rejected
400
Where does digestion end?
Small intestine
400
What is the difference between heart rate and heartbeat?
Heart rate is the number of heartbeats per minute and heartbeat is the relaxing and contracting part of the heart
400
What is the smallest unit of life?
A cell
400
Write all 6 parts of a lab report.
Research question, hypothesis, data table, graph, conclusion, discussion
500
Name all 5 parts of a conclusion.
Restate hypothesis in past tense, Major finding, Evidence, Data from my graph shows..., Evaluate hypothesis
500
Name all parts of the digestion system
Mouth, esophagus, stomach, small intestine, large intestine
500
Name all four chambers of the heart
left and right atrium and left and right ventricle
500
What are the three types of variables (with definitions)?
Independent: what we change (the cause) Dependent: what we measure (the effect) Control: what must remain constant
500
Why does the left ventricle have more muscle than the right?
Because it pumps oxygenated blood to the entire body, instead of de-oxygenated blood to the lungs. The blood must travel much farther.