STSCS Science Quiz Bee

What type of mixture has a uniform appearance?

• Heterogeneous

• Homogeneous

• Compound

• Element

Which organ system helps us breathe?

• Digestive

• Respiratory

• Circulatory

• Nervous

What organ pumps blood throughout the body?

• Brain

• Lungs

• Heart

• Stomach

Which system controls body movement and coordination?

• Nervous

• Digestive

• Respiratory

• Circulatory

What is the main function of the digestive system?

• Breathing

• Thinking

• Breaking down food

• Pumping blood

Which of the following is a vertebrate?

• Earthworm

• Butterfly

• Dog

• Jellyfish

What do cone-bearing plants use to reproduce?

• Flowers

• Spores

• Cones

• Roots

What ecosystem is made up of saltwater and is home to many fish?

• Forest

• Coral reef

• Desert

• Grassland

What force pulls objects toward the Earth?

• Friction

• Gravity

• Magnetism

• Electricity

What force slows down moving objects?

• Gravity

• Friction

• Magnetism

• Heat