Animal Dichotomous Key
The products of weathering include clay, sand, rock fragments, and soluble substances. The coconut is one of the largest seeds in the plant kingdom. Make sure that students understand this format before moving on. We discuss why some of the student answers are incorrect and students change their answers, as evidenced in this. Is the candy in the shape of a worm? · Rule 1: Each step involves making choices between two characteristics. The lesson relates to the standard because it provides an additional framework for students to analyze matter.
Green plants use chlorophyll to produce food sugar , using carbon dioxide, water, enzymes and other chemicals, and sunlight. A common challenge that students may during this exercise is a lack of familiarity with some of the substances. Ocean trenches are very deep, and the continental shelf is relatively shallow. White is a reflection of all visible light together. Sound travels the slowest through gases because the molecules of a gas are farthest apart. It will not be necessary to have real objects in front of the students because the objects will be well known.
They are associated with fair weather. Nanotechnology has shown that the behavior and properties of some substances at the nanoscale a nanometer is one-billionth of a meter contradict how they behave and what their properties are at the visible scale. Many products on the market today are already benefiting from nanotechnology such as sunscreens, scratch-resistant coatings, and medical procedures. With careful planning, the impact on the land can be controlled. Dormancy is a period of suspended life processes brought on by changes in the environment. The three basic phases of matter generally found on Earth are gas, liquid, and solid. A person will have the same mass on Earth, Mars, and our moon.
Carbon, water, some green water, and a leaf are easily accessible examples. Black is when a material absorbs all the visible light and no light is reflected back. Here's a of what that might look like. Give the students about 2-3 minutes to do this. Ask students to look at the objects and, as a group, have them brainstorm how the objects are similar to and different from each other.
A photon moves in a straight line. Though other phases of matter have been identified, these are the phases of matter that fifth-grade students are expected to know. Because I'm working on my Claims and Evidence Unit, we found a natural connection. By approaching the lesson in this way, I help them to employ the Practice of the Scientist Asking Questions. This reflection anticipates some of the problems I thought they might have, and has them work through those problems. Phytoplankton form the base of the ocean food web. The first thing the students do it collect samples.
Flat measuring device: Ruler 4b. If it appears that students understand what they need to do, I let them get to work. Crunchy green vegetable: Celery 3b. After students complete the worksheet they compare answers with a partner up and discuss discrepancies. If the pages don't load quickly click on Impatient? The greater the frequency, the greater the amount of energy. While no prior knowledge is necessary for this lesson, students may need help in understanding what the various substances are in the Application section of the lesson. Sunlight is first refracted when it enters the surface of a spherical raindrop, it is then reflected off the back of the raindrop, and once again refracted as it leaves the raindrop.
The wavelength can be measured from any point on a wave as long as it is measured to the same point on the next wave. The bending seems to take place at the surface of the water, or exactly at the point where there is a change of density. I also pass around examples of each of these substances. If it is made up of substances with more than one type of compound it is a mixture. Note: These resources are adapted from the Tennessee Curriculum Center. One way around this is to have the various substances on hand so that students can look at them.
I explain to students that scientists use evidence to justify answers. After about 5 minutes, students compare their answers, first in small groups and then report out to the whole class. If a substance is made up of one chemical formula, it is a compound. I project the to aid in the discussion. Grouping possibilities could be: metal, plastic, and wood 4. It takes light from the sun less than 8½ minutes to travel 93 million miles 150 million kilometers to reach Earth.