Plant Power
Q: What process allows plants to make their own food?
A: Photosynthesis
Q: What galaxy do we live in?
A: The Milky Way
Q: What causes day and night?
A: Earth's rotation
Q: What is an educated guess that can be tested?
A: A hypothesis
Q: What force keeps planets in orbit around the Sun?
A: Gravity
Q: What organelle carries out photosynthesis?
A: Chloroplast
Q: What is a light-year used to measure?
A: Distance in space
Q: What causes the seasons?
A: Earth's tilt and revolution around the Sun
Q: What variable is changed by the scientist?
A: The independent variable
Q: Does the Moon make its own light?
A: No
Q: What gas do plants take in during photosynthesis?
A: Carbon dioxide (CO₂)
Q: What type of object is the Sun?
A: A star
Q: What force causes tides?
A: Gravity (mainly the Moon's gravity)
Q: Why do scientists repeat experiments?
A: To make results more reliable and accurate
Q: What is the largest structure listed below?
A: Universe