SCIENCE DECATHLON - UNIVERSAL SCHOOL

Mold is often found growing on old bread. In a food chain, mold is a __________.

• Decomposer

• Producer

• Consumer

• Scavenger

Skunks spray a strong-smelling liquid to __________.

• get rid of wastes

• attract prey

• defend themselves

• help nearby plants grow

Which of these BEST describes the texture of the metal spoon?

• Small

• Smooth

• Flexible

• Shiny

When notebook paper is folded to make an airplane, what physical property of the paper changes?

• Mass

• Weight

• Shape

• Smell

Which of these is the BEST way to save animals and trees?

• Ride bikes more

• Make more farmland

• Take care of forests 

• Move to the city

Why is it important to protect soil?.

• It covers the bedrock layer in the earth. 

• It has nutrients used by plants to grow. 

• It holds many harmful pollutants.

• It dries quickly in sunlight

People can help keep a forest a good place for birds to live by __________.

• dumping garbage in a small part of the forest

• building a road through the middle of the forest

• burning dead trees to make smoke in the air

• preventing too many trees from being cut down

This picture BEST shows how _______________.    

• animals use plants for food

• animals use plants for homes

• plants get in the way of animals

• plants keep animals warm in winter

A company plants trees on a bare hillside. Which of these is the   

    BEST reason for  planting the trees?

•   The trees provide oxygen for the soil.

• The trees prevent soil from washing away.

• The trees make shade for animals living there.

• The trees cause animals to move to other places.

Students used thermometers to compare temperatures around their school. 

Which of these is MOST likely the reason it was cooler   

          under a tree than on the playground?

• The tree blocked the cold wind.

• A student blocked the wind.

• Tree leaves blocked some of the sunlight.

• A cloud blocked the Sun.