science

Question 1

What is the main focus of the science test?

Answer 1

The main focus of the science test is to assess knowledge of key scientific concepts.

Question 2

True or False: The science test will include multiple choice questions.

Answer 2

True

Question 3

Fill in the blank: The scientific method involves _____ steps.

Answer 3

five

Question 4

What are the three states of matter?

Answer 4

Solid, liquid, and gas.

Question 5

Which organelle is known as the powerhouse of the cell?

Answer 5

Mitochondria

Question 6

True or False: Photosynthesis occurs in animals.

Answer 6

False

Question 7

What is the formula for calculating density?

Answer 7

Density = Mass / Volume

Question 8

Multiple Choice: Which of the following is a renewable energy source? A) Coal B) Solar C) Natural Gas

Answer 8

B) Solar

Question 9

What is the process by which plants convert sunlight into energy called?

Answer 9

Photosynthesis

Question 10

Fill in the blank: The basic unit of life is the _____

Answer 10

cell

Question 11

Which scientist is known for the theory of evolution?

Answer 11

Charles Darwin

Question 12

True or False: Water is a compound.

Answer 12

True

Question 13

What is the pH level of pure water?

Answer 13

7

Question 14

Multiple Choice: What type of bond involves the sharing of electron pairs? A) Ionic B) Covalent C) Hydrogen

Answer 14

B) Covalent

Question 15

What is the primary gas that plants take in during photosynthesis?

Answer 15

Carbon dioxide

Question 16

Fill in the blank: The _____ is the part of the experiment that does not receive treatment.

Answer 16

control group

Question 17

What is the acceleration due to gravity on Earth?

Answer 17

9.81 m/s²

Question 18

True or False: The atomic number of an element is determined by the number of protons.

Answer 18

True

Question 19

Which type of rock is formed from cooling and solidification of magma?

Answer 19

Igneous rock

Question 20

Multiple Choice: What is the main component of the Earth’s atmosphere? A) Oxygen B) Nitrogen C) Carbon Dioxide

Answer 20

B) Nitrogen

Question 21

What is the term for a change in the genetic makeup of a population over time?

Answer 21

Evolution

Question 22

Fill in the blank: The _____ is the smallest particle of an element.

Answer 22

atom

Question 23

What do we call the variable that is changed in an experiment?

Answer 23

Independent variable

Question 24

True or False: Electrons have a positive charge.

Answer 24

False

Question 25

What is the term for the measure of how much matter is in an object?

Answer 25

Mass

Question 26

Multiple Choice: Which of the following is not a type of macromolecule? A) Carbohydrates B) Proteins C) Minerals D) Lipids

Answer 26

C) Minerals

Question 27

What is the effect of temperature on the rate of chemical reactions?

Answer 27

Generally, an increase in temperature increases the rate of chemical reactions.