BUILDING BLOCKS OF LIFE

Question 1

What are three examples of technological developments that help scientists gather information about the natural world?

Answer 1

A Drone, Satellite tracking device, and a microscope

Question 2

How does a Drone and satellite tracking device help scientists to scientists gather information about the natural world?

Answer 2

They can use a drone or a satellite tracking device to Measure and map out things

Question 3

How does a Microscope help scientists to scientists gather information about the natural world?

Answer 3

They can use a Microscope to look into the cell of a plant.

Question 4

List all the parts of a Microscope

Answer 4

Revolving nose piece
Eyepiece/Occular
Objective lens
Arm
Stage Clips
Stage
Light/lamp:
Coarse focus knob
Fine Focus Knob
Base

Question 5

What is the purpose of the Revolving Nose piece?

Answer 5

Holds the objective lens up to the eye

Question 6

What is the purpose of the eyepiece/Occular?

Answer 6

The lens closest to the eye usually magnifies 10x

Question 7

What is the purpose of the Objective lens?

Answer 7

Set of lenses nearest to the object of the stage

Question 8

What is the purpose of the Arm?

Answer 8

Holds the upper parts of the microscope

Question 9

What is the purpose of the Stage clips?

Answer 9

Holds the specimen on the stage

Question 10

What is the purpose of the Stage?

Answer 10

Holds the specimen or slide to be viewed

Question 11

What is the purpose of the light/lamp?

Answer 11

Light source

Question 12

What is the purpose of the Coarse Focus knob?

Answer 12

Brings the specimen to near focus

Question 13

What is the purpose of the fine focus knob?

Answer 13

To sharpen the focus quality of the specimen

Question 14

What is the purpose of the Base?

Answer 14

Supports the microscope on the bench

Question 15

What are the correct steps for using a microscope?

Answer 15

1. Place the slide on the stage
2. Ensure that the lowest power objective lens is selected
3. Adjust the coarse focus knob
4. Adjust the Ine focus knob
5. Twist the revolving nosepiece to switch to the high-power objective lenses
6. Use the Fire Focus Knib if need to focus the image

Question 16

What happens when you move the slide towards you?

Answer 16

It becomes closer

Question 17

What happens when you move the the slide towards the left?

Answer 17

It moves to the right

Question 18

What are three rules to remember when doing a microscopic drawing?

Answer 18

• Labeled total magnification
• No colour
• Label (e.g Cell membrane)

Question 19

Modern Cell Theory

Answer 19

The cell of the smallest living unit in all organisms

All living things are made of cells

All cells come from other preexisting cell

Question 20

Nucleaus

Answer 20

The Nucleus is the control Centre of the cell.

Question 21

Cytoplasm

Answer 21

It is the jelly-like substance inside a cell were things hppen.

Question 22

Cell Membrane

Answer 22

The thin layer around cells that lets good stuff in and keeps bad stuff out.

Question 23

Chloroplasts

Answer 23

Part of plant cells that turn sunlight into food.

Question 24

Cell wall

Answer 24

The tough covering around plants cells that help them stand tall

Question 25

Mitochondria

Answer 25

Place for cells to release energy by perspiration.

Question 26

Two examples of Cells

Answer 26

Red blood: Round + flat and Travels around the body giving oxygen. Sperm: Oval head + long tail and long tail allows it to swim to fertile the egg

Question 27

Three characteristics of an Amphibian: (Vertebrates)

Answer 27

It is cold-blooded, has skin and lays eggs

Question 28

Three characteristics of an Mammal: (Vertebrates)

Answer 28

It is Warm-blooded, has hair or fur and live birth

Question 29

Three characteristics of a Fish: (Vertebrates)

Answer 29

It has a changing body temperature and gills for breathing and Skin with scales

Question 30

Three characteristics of a Bird: (Vertebrates)

Answer 30

It has skin with feathers, a Beak for feed and a constant body temperature

Question 31

Three characteristics of a reptile: (Vertebrates)

Answer 31

It has skin with scales, lungs for breathing and a changing body temperature

Question 32

What is the word equation for respiration?

Answer 32

Glucose + oxygen = Carbon dioxide and Water

Question 33

Where does respiration occur?

Answer 33

Mitochondria

Question 34

How do humans get Oxygen and glucose for Respiration?

Answer 34

By inhaling they get oxygen and by eating foods they get glucose.

Question 35

What are the waste products for Respiration?

Answer 35

Water + Carbon dioxide

Question 36

Do all living things respire?

Answer 36

Yes

Question 36

Does photosynthesis release energy?

Answer 36

No

Question 37

Does Respiration release energy?

Answer 37

Yes

Question 37

Do plants respire anytime whether it is dark or light?

Answer 37

Yes

Question 37

Does photosynthesis only respire in the light?

Answer 37

Yes