Science Experiments
What's an independent variable?
The one variable that you change in an experiement.
What is deforestation?
Clearing a wide area of trees.
Name all of the planets in our solar system in order starting at the Sun.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What's the formula for density?
Mass / Volume
What's the smallest building block/unit of matter?
Atoms.
What's a dependent variable?
The variable that you watch and measure throughout the experiment.
What natural disaster is caused by the movement of tectonic plates along fault lines?
Earthquakes
What are tides caused by?
When a roller coaster reaches the top of a hill, it has its maximum of this type of energy.
Potential energy.
What do only plant cells have?
Cell walls and chloroplasts.
What's the first step of the scientific method?
Ask a question/Identify a problem.
What's the difference between climate and weather?
Weather can change daily, but climate is the average pattern of atmospheric conditions.
What's the arrangement of the Earth, Sun, and moon during a solar eclipse? Name the order.
Earth - Moon - Sun
What is the word for the bending of light waves as they pass through a different medium?
Refraction
What's the shape of DNA?
Double-Helix
What is an observational study?
Not a controlled experiment, but when scientists study organisms in their natural surroundings.
How are volcanoes formed?
One tectonic plate moves under another.
What does a Hertzsprung-Russell Diagram measure?
Temperature and brightness
Anything that changes the chemical composition of an object.
Name six body systems.
What are mean, mode, and median?
Mean - average
Mode - number that occurs most often
Median - middle value
What natural disaster is the Richter scale for, and what does it measure?
What's the difference between mass and weight?
Mass is the measure of matter, weight is the measure of the force of gravity.
What's the unit for energy?
Joules
What is ornithology?
The study of birds