Question 1

What is the process called when plants use sunlight to make their own food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Fermentation

Answer

Transpiration

Question 2

What is the term used for the amount of matter in an object?

Accepted Answer

Mass

Answer

Density

Answer

Weight

Answer

Volume

Question 3

Which state of matter has a definite shape and volume?

Accepted Answer

Solid

Answer

Gas

Answer

Liquid

Answer

Plasma

Question 4

What is the primary source of energy for the Earth's climate system?

Accepted Answer

The Sun

Answer

Geothermal vents

Answer

The Moon

Answer

Volcanoes

Question 5

What type of energy is associated with the motion of objects?

Accepted Answer

Kinetic energy

Answer

Mechanical energy

Answer

Potential energy

Answer

Thermal energy

Question 6

What process describes the change of a substance from a liquid to a gas?

Accepted Answer

Evaporation

Answer

Freezing

Answer

Sublimation

Answer

Condensation

Question 7

Which process describes the conversion of a gas into a liquid?

Accepted Answer

Condensation

Answer

Sublimation

Answer

Evaporation

Answer

Melting

Question 8

What is the main gas that plants need for photosynthesis?

Accepted Answer

Carbon Dioxide

Answer

Hydrogen

Answer

Nitrogen

Answer

Oxygen

Question 9

What is the state of matter characterized by particles that are far apart and move freely?

Accepted Answer

Gas

Answer

Liquid

Answer

Plasma

Answer

Solid

Question 10

What happens to the energy of the particles in a substance when it heats up?

Accepted Answer

The energy increases and particles move faster

Answer

The energy decreases and particles slow down

Answer

The energy disappears completely

Answer

The energy remains the same

Question 11

What is the smallest unit of matter?

Accepted Answer

Atom

Answer

Molecule

Answer

Substance

Answer

Compound

Question 12

Which of the following is a form of kinetic energy?

Accepted Answer

A moving car

Answer

A heating water pot

Answer

A stretched rubber band

Answer

A book on a shelf

Question 13

What mode of heat transfer occurs through direct contact between materials?

Accepted Answer

Conduction

Answer

Convection

Answer

Insulation

Answer

Radiation

Question 14

Which of the following best describes matter?

Accepted Answer

Anything that has mass and takes up space

Answer

Anything that exists only in solid form

Answer

Anything that can be seen

Answer

Anything that can be touched

Question 15

What is the term for the ability to do work or cause change?

Accepted Answer

Energy

Answer

Force

Answer

Mass

Answer

Matter

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