Starter 10/3. Classifying Items
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People organize or classify objects for different reasons. Classifying foods into groups, such as grains, vegetables, and fruits helps people plan meals that maintain a healthy diet. Biologists classify organisms into groups that have similar characteristics, which makes the relationships among organisms easier to see.
1. Devise a classification system for the following items: orange, lime, plum, apple, pear, rose, violet, daisy, gold, and silver.
2. Explain what criteria you used to place items into each category of your classification system.
Are these matter?
- you, desk, water, dust, air
Mass- is a measure of the amount of matter in anobject.UNITS – grams (g) or kilograms (kg).Volume – is a measure of how much space matter takes up.UNITS- cm3 & m3 OR mL & L
volume= length x width x height
1 ml = 1cm3
- Heat decreases viscosity
Height (2 cm)
Width (3 cm)
Length (5 cm)
***changes for each substance***
Creating and Interpreting Graphs
Many people have pets. One survey of pet owners showed the following breakdown of the type of pets owned: 35% dogs; 35% cats; 10% birds; 5% hamsters, gerbils, mice, rats; 5% reptiles; and 10% other.
1. Copy the incomplete circle graph below on your paper. Complete the graph using the survey data. Estimate the angle of each section of your completed circle graph. Give your graph a title and label what each section of the graph represents.
2. In 1-2 lines, explain how viewing a graph
might be easier for the reader