Science reviewers

choose the best answer.

1. Energy is...
a. defined as the ability to work
b. destructible
c. not seen in objects that have the potential to cause motion

2. Mechanical energy is composed of...
a. 2 types
b. 3 types
c. 5 types

3. (based on # 2) Enumerate these types.

4. What happens to heat when matter absorbs it?
a. Heat stays the same
b. Heat transforms into thermal energy
c. Heat transforms into internal energy

5. Potential energy can be affected by...
a. its position. (the higher the object is, the lesser potential energy)
b. its position. (the higher the object is, the greater potential energy?
c. nothing. (everything has equal potential energy)

6. Matter is...
a. always visible to the naked eye
b. composed of 3 phases
c. anything that occupies space

7. The solid state/phase of matter...
a. has atoms that are very apart
b. can vibrate about their positions
c. none of the above

8. Among solid, liquid and gas, which one has a very high compressibility?
a. Gas
b. Liquid
c. Solid

9. The gas state/phase of matter...
a. has a higher density compared to solid & liquid
b. has the fastest diffusibility among solid & liquid
c. has a translational and rotational motion

10. What is/are collectively known as fluids
a. liquid only
b. solid and liquid
c. gas and liquid


_..._answers
1.a
2.a
3.kinetic and potential energy
4.c
5.b
6.c
7.b
8.a
9.b
10.c

Made by Miggy Pelea

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A.Fill in the blanks

1. there is ____ between particles
2.___ is made of small particles
3.particles move in constant___ motion
4.collision between particle is perfectly___

B. true or false
1. Increased temperature increases a particles kinetic energy.
2. There are no forces between particles
3. there is no net change in the total kinetic energy when particle collision occurs
4. Adhesion contributes to capillarity
5. Diffusibility is a particles ability to vibrate.

C. matching type
1.Liquid- a. vibrate
2.Solid - b. constant random motion
3 . Gas - c. transitional and rotational motion

Made by Antonio Cruz
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Choose the best answer

1. What part is considered to be the power house of the cell?
a. Mitochondrion
b. Lysosome
c. Nucleus
d. Endoplasmic Reticulum

2. Which of the following is part of the cell theory?
a. All living organisms are made up of cells
b. All chemical and physiological activities happen inside a cell
c. All cells must have come from a pre-existing cell
d. All of the above

3. What is the difference between the Vacuole/s of a plant cell and an animal cell?
a. an animal cell has only one vacuole and a plant cell has many vacuoles
b. an animal cell's vacuole cannot store water and ATP while plant cell's can
c. a plant cell's vacuole cannot store water and ATP while an animal cell's can
d. a plant cell only has one large vacuole while an animal cell has many small vacuoles

4. Which major part of the cell carries all the organelles?
a. cytoplasm
b. nucleus
c. cell membrane
d. none of the above

5. which part of the cell acts as the information centre or the "brain" of the cell?
a. nucleus
b. centrosome
c. ribosome
d. gogli apparatus

6. which of the following cannot be located in an animal cell?
a. Lysosome
b. chloroplast
c. Mitachondrion
d. cell membrane

7. What is the difference between the shape of an animal cell and a plant cell?
a. an animal cell is more circular in shape while a plant cell is more rectangular
b. an animal cell is more rectangular while a plant cell is more circular
c. they do not have any difference

8. Which part of the nucleus is made up of multiple strands of DNA?
a. Chromatin
b. nuclear envelope
c. nucleoplasm
d. chromosomes

9. which part of the cell acts as the transport system of nutrients, chemicals and information?
a. Endoplasmic Reticulum
b. Vacuole
c. Gogli body
d. Cell membrane

10. A prokaryote is a...
a. Cell with a true nucleus
b. Cell with out a true nucleus
c. none of the above

11. Who comprised previous theories and finalized the cell theory?
a. Theodore Schwann
b. Matthias Scleiden
c. Rudolf Virchow
d. Louis Pasteur

12. Which of the following contains animal cells?
a. Venus flytrap
b. gerbil
c. Gumamela
d. Sunflower

______answers
1.a
2.d
3.d
4.a
5.a
6.b
7.a
8.d
9.a
10.b
11.c
12.b

made by Tonton Montemayor

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Sci Reviewer: Characteristics of Living Things

1.) What do you call organisms that are composed of only one cell?
A. one celled organisms
B. unicellular organisms
C. multi cellular organisms
D. many celled organisms

2.) Which is NOT true for cells?
A. They are the building blocks of life.
B. They are made up of atoms.
C. They are the smallest unit.
D. They carry all the processes of life.

3.) Which is the correct order of organization of living matter?
A. atoms-molecules-cells-organelles
B. tissues-organs-population-community
C. organelles-tissues-cells-organs
D. organ system-organism-population-community

4.) Which of these living objects is NOT an autotrophe?
A. leech
B. gumamela
C. sampaguita
D. Venus flytrap

5.) Why do living things have to respond to stimuli?
A. To escape from predators
B. To find food
C. To survive
D. all of the above

6.) When does growth and development occur?
A. cell division
B. cell enlargement
C. both A and B
D. neither A or B

7.) Which of these is NOT a heterotrophe?
A. butterfly
B. sea anemoni
C. caterpillar
D. flounder

Answer Key:
1.) B
2.) C
3.) D
4.) A
5.) D
6.) C
7.) B

made by martin Dizon