Question 1

What is Integrated Science?

Accepted Answer

Study of five basic natural sciences and their overlap

Answer

Study of Physics only

Answer

Study of Biology only

Answer

Study of Earth Science only

Question 2

What is one of the benefits of Integrated Science?

Accepted Answer

It prepares learners for careers in science-related fields

Answer

It avoids scientific investigations

Answer

It limits knowledge to one field

Answer

It discourages specialization in sciences

Question 3

What is a mixture?

Accepted Answer

A combination of two or more substances

Answer

A pure substance made of one component

Answer

A chemical compound

Answer

A single-element substance

Question 4

Which of the following is an example of a heterogeneous mixture?

Accepted Answer

Sand and iron filings

Answer

Saltwater

Answer

Vinegar

Answer

Air

Question 5

What is the basic unit of structure and function in living organisms?

Accepted Answer

Cell

Answer

Organ

Answer

Tissue

Answer

System

Question 6

Which structure controls what enters and exits the cell?

Accepted Answer

Cell membrane

Answer

Mitochondria

Answer

Nucleus

Answer

Cytoplasm

Question 7

Which of the following is NOT a renewable source of energy?

Accepted Answer

Coal

Answer

Wind

Answer

Hydro

Answer

Solar

Question 8

What type of force is used to push a car forward?

Accepted Answer

Applied

Answer

Gravitational

Answer

Friction

Answer

Magnetic

Question 9

What is the boiling point of pure water at sea level?

Accepted Answer

100°C

Answer

50°C

Answer

200°C

Answer

300°C

Question 10

Which of the following is a property of water?

Accepted Answer

It exists in three states

Answer

It does not conduct electricity

Answer

It is a gas at room temperature

Answer

It is an acidic compound

Question 11

What is an element?

Accepted Answer

A pure substance that cannot be broken down further

Answer

A solution of different atoms

Answer

A compound

Answer

A combination of two or more elements

Question 12

Which of the following is a compound?

Accepted Answer

Water

Answer

Oxygen

Answer

Hydrogen

Answer

Iron

Question 13

What does NaCl stand for?

Accepted Answer

Sodium chloride

Answer

Sodium calcium

Answer

Nickel cobalt

Answer

Neon chlorine

Question 14

What is the Latin name for iron?

Accepted Answer

Ferrum

Answer

Stannum

Answer

Natrium

Answer

Argentum

Question 15

Which element is essential for respiration?

Accepted Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Answer

Carbon

Question 16

Which of the following is a physical change?

Accepted Answer

Freezing water

Answer

Digesting food

Answer

Rusting iron

Answer

Burning wood

Question 17

What type of change occurs when iron rusts?

Accepted Answer

Chemical change

Answer

Physical change

Answer

No change

Answer

Temporary change

Question 18

What is the main difference between a mixture and a compound?

Accepted Answer

Mixtures retain the properties of individual substances

Answer

Compounds can be separated physically

Answer

Mixtures contain only one type of atom

Answer

Mixtures are chemically combined

Question 19

Which of the following substances is an example of a mixture?

Accepted Answer

Soil

Answer

Carbon dioxide

Answer

Water

Answer

Ammonia

Question 20

What is the process of separating salt from seawater called?

Accepted Answer

Evaporation

Answer

Decantation

Answer

Filtration

Answer

Distillation

Question 21

Which of the following is an example of a homogeneous mixture?

Accepted Answer

Air

Answer

Sand and iron filings

Answer

Salad

Answer

Oil and water

Question 22

What is the smallest unit of matter?

Accepted Answer

Atom

Answer

Molecule

Answer

Proton

Answer

Electron

Question 23

Which type of bond is formed when electrons are shared between atoms?

Accepted Answer

Covalent bond

Answer

Ionic bond

Answer

Hydrogen bond

Answer

Metallic bond

Question 24

Which of the following is a characteristic of metals?

Accepted Answer

Malleability

Answer

Dull appearance

Answer

Brittle

Answer

Poor conductor of heat

Question 25

What is the main component of air?

Accepted Answer

Nitrogen

Answer

Hydrogen

Answer

Oxygen

Answer

Carbon dioxide

Question 26

What is the pH scale used to measure?

Accepted Answer

Acidity or alkalinity

Answer

Volume

Answer

Density

Answer

Temperature

Question 27

Which of the following is an example of a chemical change?

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Breaking glass

Answer

Dissolving sugar in water

Question 28

What is the SI unit of mass?

Accepted Answer

Kilogram

Answer

Gram

Answer

Pound

Answer

Ounce

Question 29

What type of energy is stored in food?

Accepted Answer

Chemical energy

Answer

Electrical energy

Answer

Kinetic energy

Answer

Light energy

Question 30

What process occurs when a solid turns directly into a gas?

Accepted Answer

Sublimation

Answer

Condensation

Answer

Freezing

Answer

Evaporation

Question 31

What is the process of a gas changing into a liquid called?

Accepted Answer

Condensation

Answer

Sublimation

Answer

Evaporation

Answer

Freezing

Question 32

What is the main source of energy for life on Earth?

Accepted Answer

The Sun

Answer

Fossil fuels

Answer

Wind

Answer

Water

Question 33

What type of rock is formed from cooling lava?

Accepted Answer

Igneous

Answer

Sedimentary

Answer

Fossilized

Answer

Metamorphic

Question 34

What is the function of the ozone layer?

Accepted Answer

Absorb harmful UV rays

Answer

Convert carbon dioxide to oxygen

Answer

Trap heat for the greenhouse effect

Answer

Produce oxygen

Question 35

Which organ in the human body filters waste from the blood?

Accepted Answer

Kidneys

Answer

Lungs

Answer

Liver

Answer

Heart

Question 36

What type of energy is associated with moving objects?

Accepted Answer

Kinetic energy

Answer

Chemical energy

Answer

Potential energy

Answer

Thermal energy

Question 37

What is the main function of the roots in a plant?

Accepted Answer

Absorb water and nutrients

Answer

Carry out photosynthesis

Answer

Store oxygen

Answer

Support the stem

Question 38

What is the function of red blood cells?

Accepted Answer

Transport oxygen

Answer

Fight infections

Answer

Store fat

Answer

Produce hormones

Question 39

What type of simple machine is a ramp?

Accepted Answer

Inclined plane

Answer

Pulley

Answer

Lever

Answer

Wedge

Question 40

What gas is most responsible for global warming?

Accepted Answer

Carbon dioxide

Answer

Helium

Answer

Oxygen

Answer

Nitrogen

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