Characteristics of Living Things
What is the term for the smallest unit of life, which all living things are made of?
Cells
Translate the German term "Objektträger" to English.
Stage
This structure in a cell is the place where photosynthesis happens.
Chloroplast
Name 4 essential substances.
proteins, water, carbohydrates, minerals, vitamins,...
What is CO2?
Carbon Dioxide
What is "Ernährungsweise" und "Nährstoffe" in English? (spell it!)
nutrition and nutrients
Explain how to prepare a specimen for viewing under a microscope.
Place a the object in a water drop on a slide, then cover it with a coverslip
The cell membrane controls what goes in and out of the cell. The nucleus controls the processes in the cell and it holds the genetic material.
You find a lot of ... in nuts and legumes.
proteins
Photosynthesis uses light energy, carbon dioxide, and ______ to produce oxygen and sugar.
Water
This term refers to how living things remove waste material from their bodies.
excretion
What do you do after you are done microscoping. (Name 4 things!)
1. Clean the slide (and your desk).
2. Put it into the low power objective lens.
3. Switch off the light.
4. Put the microscope away (carry it with 2 hands).
Name the 4 differences between animal and plant cells.
Plant cells have extra structures:
1. Cell wall
2. Chloroplasts
3. Vacuole
4. They have different shapes: animal cells are more round, plant cells are more like a rectangle
In which types of food do you find a lot of carbohydrates, minerals and vitamins.
pasta, bread, rice etc.
fruits and vegetables
What part of the plant absorbs sunlight?
What are the leaves?
Explain the term sensitivity.
All living things react to changes in their environment, like light or sound. It is the characteristic that involves using senses.
Explain how to calculate the magnification on a microscope and name the 3 magnification power that our school microscopes have.
You multiply the magnification power of the eyepiece lens by the magnification power of the objective lens. 40x, 100x, 400x.
Name 5 things that are important when making biological drawings.
1. Material: pencil, clean & blank sheet of paper
2. Draw clean & tidy
3. Draw big, detailed and in the middle of the sheet
4. Write down date, title, name, magnification
5. Label with a rulter & with a pen
Explain the function of dietary fibre and water.
Dietary fibre are good for your digestion and a cleaning agent. Water is needed for all the chemical reactions happening in your body.
The green chemical inside the chloroplasts that absorbs and stores energy from the sun.
Chlorophyll
Explain the word stimulus and metabolism and give an example for each characteristic.
A stimulus is something that causes a reaction in a living thing. For example, when you touch something hot, the heat is a stimulus that makes you quickly pull your hand away.
Metabolism includes all chemical reactions that happen inside the body to keep it alive and functioning. For example, when living things turn food they eat into energy.
The rotating nosepiece helps you to choose the right objective lens. The objective lens is the lens nearest to your object; there are three different ones. The slide is where you place your object on.
In our body are different types of cells that have different functions, name 4 different cell types.
Nerve cell, blood cell, bone cell, muscle cell, sperm/egg cells,...
In which food do you find the mineral "iron".
spinach, read meat
Give the equation of photosynthesis (in chemical structure AND words!)