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Question 1.4.3   Why can the solar panel not work at night? (1)

Question 5.1   Define what evolution is. (1)

Question 1 Answer the following questions regarding electricity:

Question 4.4.1   Jim uses a sensor to measure his heart rate before he starts running. He starts running and measures his heart rate every five minutes. After his run, he draws a graph.     Click on the button below to open the picture of the graph.   Use the graph to help you answer the following questions.   What happened to Jim’s heart rate in the first five minutes that he was running? Give an explanation for your answer. (2)

Question 6.7   What is created when you put an opaque object in front of a light source? Describe how this happens. (2)

4.1  ¿Por qué Claudia no come carne roja?   (1)

Question 6.3   Choose the correct answer. Which of these is a source of light? a.  The eye b.  A mirror c.  The Moon d.  The Sun (1)

Question 3.4   Microorganisms can be useful. List two (2) different microorganisms and the how each microorganism can be useful to people. (4)

3.2 La cocina está en la planta baja.     (1)

Question 1.1   Choose the correct answer.   In which circuit will the bulb light up? a. b. c. d.   Click on the button below to open the picture of the circuits. (1)