7th grade science midterm study guide✨

 What are the 4 chambers of the heart?

• front atrium, back atrium, front ventricle, back ventricle
• left atrium, right atrium, left ventricle, and right ventricle
• upper atrium, lower atrium, upper ventricle, lower ventricle
• left chamber, right chamber, upper chamber, lower chamber

the body system that brings oxygen into the body and removes carbon dioxide waste.

(a)  

What are the major parts of the nervous system?

• heart, lungs, and liver
• stomach, intestines, and kidneys
• skin, muscles, and bones
• brain, spinal cord, and nerves

 What are the major parts of the digestive system? 

• Mouth, esophagus, stomach, small intestine, large intestine

• Arms, legs, feet, hands, fingers, and toes
• Eyes, ears, nose, tongue, skin, and bones
• Brain, heart, lungs, liver, kidneys, and bladder

1.  List all 8 steps in the Scientific Method.

• Ask a question, Do background research, Construct a hypothesis, Test your hypothesis by doing an experiment, Analyze your data and draw a conclusion, Communicate your results, and Retest.
• Count to 10, Sing the alphabet, Recite the multiplication table, Name all the US presidents
• Jump off a cliff, Swim with sharks, Play with fire, Run with scissors
• Make a sandwich, Eat the sandwich, Take a nap, Watch TV

dependent variable

• Variable that is not important
• Variable that remains constant
• Variable that is being studied and measured
• Variable that is not relevant to the study

independent variable

• A constant value
• Variable that is changed or manipulated
• A variable that remains the same
• A value that is not relevant

 Hypothesis

• hehe

• if so statement

• ur mom

• “if, then” statement

What is a control group or control variable?

• A popular brand of coffee
• A standard of comparison in an experiment
• a if then statement

• A new type of smartphone

quantitative data

• Qualitative data that cannot be measured
• Data that is only relevant in the social sciences
• Information that is subjective and cannot be quantified
• Numerical data that can be measured and counted