Pre/Mid/Post Science 5

Which is the best tool for measuring the temperature of lake water?

• thermometer

• balance

• meter stick

• graduated cylinder

What model do we use for solving problems?

• science steps

• problem solver

• scientific method

• gaming improvement

A student made a track for a toy sled using 4 different materials. At which section of the track is friction most likely to cause the greatest resistance to the motion of the toy sled?

• aluminum foil

• sandpaper

• wax paper

• plastic wrap

To make an electromagnet, a conductor should be coiled around-

• a glass tube

• a roll of paper

• an iron nail

• a wooden stick

Which example includes compression waves?

• A person looking in the mirror

• A rainbow shining from a prism

• A lifeguard swimming in the ocean

• A drummer practicing on his drumset

The greater the frequency of a sound wave, the-

• lower the pitch

• higher the pitch

• softer the sound

• louder the sound

Light bouncing off an object is called-

• darkening

• reflecting

• refracting

• bending

Which of the following is a compound?

• gold, because it is a shiny metal

• salt, because it is made of two types of atoms

• nitrogen, because it is a gas in the atomsphere

• carbon, because it is part of many different molecules

During pollination, pollen is transferred from a stamen to a-

• petal

• stem

• sepal

• stigma

Which substance is produced during photosynthesis?

• water

• oxygen

• sunlight

• carbon dioxide