Chapter 7-12 Science

What is the closest star to Earth?

• Venus

• Proxima Centauri

• Mars

• Alpha Centauri

What causes day and night on Earth?

• Rotation

• Revolution

• Tilt

• Orbit

Which planet is known as the "Red Planet"?

• Jupiter

• Mars

• Saturn

• Venus

What is the name of the largest ocean on Earth?

• Indian Ocean

• Atlantic Ocean

• Pacific Ocean

• Arctic Ocean

What is a galaxy?

• a large planet

• a group of stars

• a type of moon

• a space shuttle

Which of the following is a famous comet? (Select all that apply)

• Halley's Comet

• Comet McNaught

• Comet Halebopp

• Comet ISON

What is the primary function of leaves in plants?

• Photosynthesis

• Reproduction

• Respiration

• Absorption

Which of the following animals is a mammal? (Select all that apply)

• Snake

• Dolphin

• Spider

• Frog

What is the function of the heart in the human body?

• Pumping blood

• Digesting food

• Filtering air

• Producing hormones

9. Which organ is responsible for filtering waste from the blood?

• Liver

• Kidney

• Lungs

• Stomach