Tata Surya

stars satellites and planets

🌟 Science Classwork

Unit 3: Light and Shadows

Grade : 1

Week :29

Q1.Choose the correct answer:

1.Traffic light uses light to communicate:

☐ True

☐ False

2.Book uses light to communicate:

☐ True

☐ False

3.Mobile phone uses light to communicate:

☐ True

☐ False

4.Flashlight uses light to communicate:

☐ True

☐ False

5.An electrician works with:

• ☐ Water
• ☐ Electricity  
• ☐ Sand

Q2. Circle the things that use light to communicate:

• Traffic light 🚦
• Book 📖
• Phone 📱
• Candle 🕯️

Q3.Match the pictures to the sentences:

🛑 (Traffic light)                             Sends messages

📱 (Mobile phone)                        Does not use light

💡 (Lamp)                                         Gives signals to cars

📖 (Book)                                         Gives us light

Answer the following worksheet

Complete the following activities about the Solar System