1. Bell Work 3/20/2017 Use your comp. book to define the following words:
independent variable
dependent variable
control group
experimental group
constants
Variable that CHANGES
Variable that is being tested
Group used for comparison
Group exposed to independent variable
All the things that need to stay the same in the experiment

2. Bell Work 3/21/2017 Get your comp book!
Place them in order using the steps of the design process. Write your answers in the table below. Ask Imagine Plan Create Improve
Scenario
Design Step
Rachel creates a leash that has one handle and splits into two lines. She tests the leash by walking her dogs on it in her backyard. The handle is too small for her hand, but everything else works great.
Rachel brainstorms ways that she could make walking her dogs easier. She thinks of several ideas that could help solve her problem and writes them all down on paper.
Rachel changes the handle on the leash, so that it will fit her hand more securely.
Rachel has two dogs and it is her responsibility to walk them every day after school. She always gets tangled up in their leashes and wishes there was a way to walk both without carrying two leashes.
Rachel decides her best idea is a leash that has one handle, but splits into two lines. She decides to draw out her idea and make a list of supplies she’ll need to create this leash.
Create
Imagine
Improve
Ask
Plan

3. Bell Work 3/22/2017 Luster Fracture Hardness Streak Cleavage Color
Match the following definitions with the correct mineral property.
The way light reflects off a mineral.
The uneven, jagged breakage of a mineral.
A mineral’s ability to resist scratching.
The powder left behind by a mineral.
The smooth, straight breakage of a mineral.
The least reliable property to identify a mineral by.
Luster
Fracture
Hardness
Streak
Cleavage
Color

4. Bell Work 3/23/2017 Get your comp book!
Fill in the blanks on this Rock cycle diagram!
1. Igneous Rock
2. Magma
3. Metamorphic Rock
4. Sedimentary Rock
5. Sediments 1 2 5 3 4

5. Bell Work 3/24/2017 Label the layers of the earth. Outer core
List the 3 types of boundaries and what forms as a result.
Convergent- mountains
Divergent- trenches, sea floor spreading
Transform- earthquakes
Inner core
Outer core
Crust
Mantle