Quizalize logo
placeholder image to represent content

Unit 3 Chemical Reactions, Energy, Enzymes & Activation Energy

Quiz by Zhao

Feel free to use or edit a copy

includes Teacher and Student dashboards

Measure skills
from any curriculum

Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.

With a free account, teachers can
  • edit the questions
  • save a copy for later
  • start a class game
  • automatically assign follow-up activities based on students’ scores
  • assign as homework
  • share a link with colleagues
  • print as a bubble sheet

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes
40 questions
Show answers
  • Q1
    What is the process that changes one set of compounds into another (将一组化合物转变为另一组化合物的过程称为什么)?
    Osmosis
    Photosynthesis
    Diffusion
    Chemical reaction
    30s
  • Q2
    What are the substances that enter a chemical reaction (进入化学反应的物质叫什么)?
    Catalysts
    Products
    Enzymes
    Reactants
    30s
  • Q3
    What are the substances formed as a result of a chemical reaction (化学反应生成的物质叫什么)?
    Compounds
    Products
    Reactants
    Substrates
    30s
  • Q4
    What principle is conserved during chemical reactions (在化学反应过程中保持不变的原则是什么)?
    Temperature
    Pressure
    Volume
    Mass and energy
    30s
  • Q5
    Which reaction occurs slowly in nature (哪种反应在自然界中发生得很慢)?
    Rusting of iron
    Photosynthesis
    Burning hydrogen
    Decomposition
    30s
  • Q6
    What happens when chemical bonds are formed or broken (当化学键形成或断裂时会发生什么)?
    Color changes
    Energy is released or absorbed
    Molecules vanish
    Bonds disappear permanently
    30s
  • Q7
    What type of reaction releases energy (哪种反应释放能量)?
    Endothermic reaction
    Exothermic reaction
    Decomposition
    Neutral reaction
    30s
  • Q8
    What type of reaction requires an external energy source (哪种反应需要外部能量来源)?
    Neutral reaction
    Spontaneous
    Endothermic reaction
    Exothermic reaction
    30s
  • Q9
    What happens in the reaction of hydrogen and oxygen to form water (氢和氧反应生成水时会发生什么)?
    No energy change
    Energy is released
    Light is absorbed
    Energy is absorbed
    30s
  • Q10
    Which process requires electrical energy to occur (哪个过程需要电能才能进行)?
    Evaporation
    Burning hydrogen
    Splitting water
    Rusting iron
    30s
  • Q11
    Why do organisms need energy (生物体为什么需要能量)?
    To store oxygen
    To maintain pH
    To carry out life processes
    To remove waste
    30s
  • Q12
    What is the main energy source for plants (植物的主要能量来源是什么)?
    Water
    Sunlight
    Soil
    Nitrogen
    30s
  • Q13
    How do animals obtain energy (动物如何获得能量)?
    By absorbing sunlight
    By eating and digesting food
    By photosynthesis
    By making sugar
    30s
  • Q14
    What is the energy required to start a chemical reaction called (开始化学反应所需的能量叫什么)?
    Activation energy
    Potential energy
    Kinetic energy
    Reaction energy
    30s
  • Q15
    What provides activation energy for paper to burn (是什么为纸的燃烧提供活化能)?
    Air
    Flame
    Carbon dioxide
    Light
    30s

Teachers give this quiz to your class