Cells to organisms
What are the smalles units of life?
Cells
The circulatory system ONLY delivers nutrients to cells.
FALSE!
The circulatory system delivers nutrients to cells AND removes cells' waste products.
This nutrient stores energy in the body and is an important part of cells.
Name this nutrient & and a food it is in.
Fat
Identify 4 things that are matter.
- slime
- pizza
- gravity
- bees
- air
- fire
- slime
- pizza
- bees
- air
Identify three examples of pushing forces.
Answers may vary. All must to moving away from the body.
Identy two parts that ONLY plant cells have.
- cell membrane
- cell wall
- nucleus
- chloroplasts
Cell wall and chloroplasts
Blood carries OXYGEN to the cells and collects CARBON DIXOIDE to be removed.
This nutrient provides energy for the body. They can be simple or complex.
Name this nutrient & and a food it is in.
Carbohydrates
Matter is anything that has _____ and takes up ______.
Matter is anything that has mass and takes up space.
Identify 3 pulling forces.
Answers may vary. All are moving towards the body.
Complete this sequence from smallest to largest:
cells form tissues --> tissue form _____ --> _____ form ______ -->_______ form organisms
Cells form tissues --> tissue form ORGANS --> ORGANS form BODY SYSTEMS --> BODY SYSTEMS form organisms
What are the three kinds of blood vessels?
1. Veins
2. Arteries
3. Capillaries
This nutrient is for the body to build and repair cells. It can also strengthen bones, muscles, and skin.
Name this nutrient & and food it is in.
Protein
1. protons
2. electrons
3. neutrons
1. protons = +
2. electrons = -
3. neutrons = neutral
Gravity
Magnetism
Friction
A grain of rice is related to a bag of rice as a cell is related to a _________.
A grain of rice is related to a bag of rice as a cell is related to a tissue.
Arteries go:
a. to the cells.
b. away from the cells.
Veins go:
a. to the cells.
b. away from the cells.
Arteries go to the cells.
Veins go away from the cells.
These two kinds of nutrients are for keeping your body healthy and working propertly. They support strong bones, healthy hair, skin, strong teeth, good eyesight, and more.
Name these 2 nutrients & and a food each is in.
Vitamins
Minerals
Describe what a molecule.
A molecule is a group of atoms. They can be the same kind of atom like oxygen, O2, or made of different atoms like water, H2O.
Complete the definition of friction
A force that ______ or ______ motion when objects _____ together.
A force that slows or stops motion when objects rub together.
A computer is related to a keyboard, as a body system is related to an ________.
A computer is related to a keyboard, as a body system is related to an organ.
What system helps the circulatory system by adding oxygen to the blood and removing oxygen from the blood?
This nutrient helps move nutrients through your digestive track quickly.
Name this nutrient.
Fiber
Identify if the following are elements, molecules or compounds.
1. Water, H20
2. Helium, He
3. Carbon gas, C2
4. Table salt, NaCl
5.
1. Water, H20 = molecule and compound
2. Helium, He = element
3. Carbon gas, C2 = molecule
4. Table salt, NaCl = molecule and compound
Complete this rule about friction:
Objects with ___________ friction will never stop moving. An example is ____.
Objects with ___________ friction will stop moving faster. An example is ____.
Objects with LOW friction will never stop moving. An example is ICE.
Objects with HIGH friction will stop moving faster. An example is a DIRT ROAD.