True and False Number Sentences

Which of the following statements is true about the chemical reaction: @@ ext{2H}_2 + ext{O}_2 ightarrow ext{2H}_2 ext{O}@@?

• It is a synthesis reaction.

• It is a decomposition reaction.

• It is a single replacement reaction.

• It is a double replacement reaction.

• True

• False

• Depends on the location

• Only true at sea level

Tags

NGSS.MS-ESS1-2

Which of the following is a true statement about the states of matter?

• Solids have a definite shape and volume.

• Liquids have a definite shape but no definite volume.

• Gases have a definite volume but no definite shape.

• Plasma has a definite shape and volume.

True or False: In a closed system, the total energy remains constant according to the law of conservation of energy.

• True

• False

• Only in mechanical systems

• Only in thermal systems

Tags

NGSS.MS-PS3-5

Which of the following statements is true about the periodic table?

• Elements are arranged by increasing atomic number.

• Elements are arranged by decreasing atomic mass.

• Elements are arranged alphabetically.

• Elements are arranged by date of discovery.

True or False: Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen.

• True

• False

• Only in the presence of sunlight

• Only in the presence of chlorophyll

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a true statement about Newton's First Law of Motion?

• An object at rest stays at rest unless acted upon by an external force.

• An object in motion stays in motion unless acted upon by an internal force.

• An object at rest stays at rest only if it is in a vacuum.

• An object in motion stays in motion only if it is in a vacuum.

True or False: The boiling point of water is 100°C at standard atmospheric pressure.

• True

• False

• Only at sea level

• Only in a vacuum

Which of the following statements is true about enzymes?

• Enzymes speed up chemical reactions without being consumed.

• Enzymes are consumed in the reactions they catalyze.

• Enzymes slow down chemical reactions.

• Enzymes are only active at high temperatures.

Tags

NGSS.HS-PS1-2

True or False: The Earth revolves around the Sun in an elliptical orbit.

• True

• False

• Only during certain seasons

• Only when observed from space

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4