Intro to Earth Science Notes Pages 6 9
- Slides: 31
Intro to Earth Science Notes: Pages 6 - 9
What is used to make an observation?
After observations have been collected. What does it mean to make an inference? make an educated guess (an hypothesis)
Give examples of how scientists use classification systems.
Give examples of how scientists use classification systems.
Name the common scientific instrument used to measure mass: If an object is heated, what happens to its mass? Why?
If an object has a mass of 240 g on Earth, its mass on the moon will be (more, less, the same). Why?
Volume of a regular rectangular object: What instrument would be used to measure this object’s volume?
What is the formula for finding the volume of this object?
Calculate the volume of this object to the nearest tenth of a centimeter. Show all formulas.
VOLUME of an irregularly shaped object: What instrument would be used to measure the volume of an object such as a rock? graduated cylinder
VOLUME of an irregularly shaped object: Describe the process you would use. • Put water into cylinder • measure volume of water • place object in cylinder • re-measure volume of water • subtract volumes
DENSITY: HOW TIGHTLY PACKED THE ATOMS ARE
DENSITY: HOW TIGHTLY PACKED THE ATOMS ARE
DENSITY: HOW TIGHTLY PACKED THE ATOMS ARE When an object is heated, it and the atoms become packed. Therefore the object becomes dense.
DENSITY: HOW TIGHTLY PACKED THE ATOMS ARE When an object is cooled, it and the atoms become packed. Therefore the object becomes dense.
Wwhat happens to the density of an object when it is split into smaller parts? why?
Wwhat is the formula for density?
A rock has a mass of 240 g and a volume of 12 cm³. Showing all formulas and calculation determine the density of the rock.
The box below has a mass of 120 g. Showing all formulas and calculations, determine the density of the box. 2. 0 cm 10. 0 cm
If the empty container has a mass of 100 g and the filled container has a mass of 250 g. What is the density of the liquid inside? Show all work below. mass of liquid 250 g – 100 g = 150 g density of liquid density = mass/volume = 150 g /100 m. L = 1. 5 g/m. L
Density of water: 4 expands above This is because water ________ Water is most dense at _______°C. and below this temperature 4°C
Density of water: The density of water when it is most dense is:
Density of water: Any material with a density greater less thanwaterwill
Density of water example: If an object has a mass of 25 g and a volume of 50 m. L, will it sink or float in liquid water?
Phases of Matter & Density During which phase of matter (solid, liquid, or gas) are most materials:
Give a real life, earth science example of a system that is in dynamic equilibrium.
Give a real life, earth science example of a system that is in dynamic equilibrium.
Give a real-life, earth science example of an interface.
Give three real-life, earth science, examples of cyclic events
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