October Science

Front

Tool to compare the mass of a large rock to the mass of two wooden blocks: Graduated cylinder, Thermometer, Spring scale, Pan balance

Back

Pan balance

Front

A hand lens refracts light. When light rays shine on the lens, most of the light rays —

Back

bend

Front

A student drew this model to show what happens when sugar dissolves in water. Black circles represent particles of sugar. White circles represent particles of water. What change would make the model more accurate? Options: Show the black circles and white circles evenly mixed., Remove all the white circles., Move all the black circles to the bottom row., Show the black circles clumped together in the middle.

Back

Show the black circles and white circles evenly mixed.

Front

For a science experiment, a class used a penny, vinegar, and water. They made and recorded several observations. If the students made a second round of observations on Day 2, which one would least likely change from Day 1? Options: Mass of penny, Temperature of lab water, Room temperature of vinegar, Volume of vinegar

Back

Mass of penny

Front

Which force is responsible for causing the car to roll down the ramp?

Back

Gravity

Front

Which two forces act from a distance, causing objects to move?

Back

gravity and magnetism

Front

This student has built a periscope using a tube and two mirrors. This periscope works because of —

Back

reflection only

Front

How does Substance J differ from Substance K?

Back

One is a solution, and the other is a mixture.

Front

Burning a candle creates —

Back

thermal and light energy

Front

What is the highest temperature Gabriella recorded during the day? Options: 25° C, 26° C, 33° C, 38° C

Back

38° C