______________________ Class Name ________________________ Science 3. Ch1 Le2. Plants and Their Parts. Ws1 Q1. Match the definition with the vocabulary. Write the letter on the line. A part of something. _______ a) leaf A structure that takes in water and nutrients. _______ b) nutrients A structure that holds up a plant and helps move water. c) roots _______ d) stem A structure that makes food for a plant. _______ A process by which plants make food. _______ Substances that help plants grow. _______ e) structure f) photosynthesis g) the sun Read your book. Find and write the correct answer sentence. Q2. What characteristic do all plants share? _______________________________________________________________________________________ _______________________________________________________________________________________ Q3. Plants use energy from where, to do what? _______________________________________________________________________________________ _______________________________________________________________________________________ Q4. What do plant structures help plants get? _______________________________________________________________________________________ _______________________________________________________________________________________ Q5. Read your book. Find and write the correct answer word. a) Some plants such as radishes and carrots have one root called a __________________ b) Roots take in substances, to help things stay healthy, these are __________________ c) Structures that hold up plants and transport water throughout are called ________ d) A _____________ is a plant structure that holds up leaves to take in sunlight. e) Some stems are soft and green, others such as ______________ are hard and woody. Q6. Circle true or false. a) Leaves have one characteristic in common. True False b) Leaves are structures that make water for the plant. True False c) Leaves use energy and oxygen to make sugar. True False d) Sugars are food for plants. True False e) Leaves have tiny holes that take in carbon dioxide. True False f) Leaves trap chlorophyll from sunlight. True False Q7. Match the 5 statements to one of the 4 answer words. Leaves produce this gas for organisms to breathe. Animal and human organisms provide plants with oxygen This substance gives leaves their green color. Chlorophyll Oxygen is given off during the process of photosynthesis Sunlight energy is trapped in carbon dioxide Q8. Draw and label a diagram explaining the process of photosynthesis. Q9. Draw and label two different kinds of leaf structures. Q10. Use the word bank vocabulary to complete the paragraphs. Q11. Which part of the plant is the most important? Why? _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________ _______________________________________________________________________________________