During gym class, Julia had an ice pack on one arm. You think she hurt her arm. What scientific skill did you use?
Communicating,
Comparing,
Inferring,
Measuring
Inferring
100
Hakim wants to find the mass of his science book. Which of the following would be an appropriate unit for Hakim to use?
Centimeters, Kilograms, Meters, or Milliliters?
Kilograms
100
What does a pan balance measure?
Mass
100
True or False. Sound energy comes from materials vibrating.
True
100
Name two types of energy that a light bulb gives off.
Light and Heat
200
Dan notices that the day got warmer between breakfast and lunch. He recorded the temperature outside his window several times. What would be the most scientific way to show this data?
Draw a picture,
Make a graph,
Write a paragraph,
Create a timeline
Make a graph
200
A magnet can be made by wrapping wire into a coil and passing an electric current through it. What is the name for this type of magnet?
Electromagnet
200
Imagine a raw egg. Now imagine a cooked egg. Name one indicator that lets you know a chemical change has occurred.
Change in color, state, and/or texture.
200
The faster a material vibrates, the (higher or lower) the pitch.
higher
200
Sam is hot playing at recess. He thinks if he walks into the shade, the cold energy will come to him. Is he correct?
No, his heat energy will leave him.
300
A team of students are testing which material would keep a cup of soup warm that longest. They place the soup in a foam cup, a plastic cup and a paper cup. What is the variable in their experiment?
The material of the cups
300
Kylie says that water is matter because it takes up space. Which of the following would complete Kylie's explanation of why water is matter?
Water is a liquid,
Water has mass,
Water has a density of 1.0, or
Water can freeze into a solid
Water has mass
300
In order for steel wool to rust, it must be exposed to water and...
air or oxygen
300
Which would vibrate faster, an empty glass or a full glass?
Empty
300
After PE, Jared likes to put his arms on his nice cold desk. Is his desk a conductor or insulator of heat?
Conductor
400
Sarah is studying water. She thinks that adding salt to water may make it freeze at a higher temperature. What scientific word do we call Sarah's prediction?
Hypothesis
400
Paper clips are attracted to magnets. What property of paper clips does this ilustrate?
Physical property,
Chemical property,
Geological property,
Biological property
Physical property
400
A plant or animal that has died will decay over time. Decaying is a chemical change. What observations show that decaying is a chemical change? Change in size, smell, temperature or state of matter?
smell
400
Stretching a rubber band farther apart and plucking the strings will create a higher or lower pitch?
Higher
400
Jeremy and Brian packed cold sub sandwiches for their field trip to St. Augustine. Jeremy wrapped his in tin foil to keep it cold. Brian wrapped his is in wrinkled up parchment paper to keep it cold. Who will have the coldest sandwich at lunch?
Brian
500
Scientists state a hypothesis for each investigation. What is one way that scientists can test a hypothesis?
Conduct an investigation
500
Tiffany needs to bring an example of a magnetic object to class. She considers a few items around her house. Which of the following will she decide to is attracted to a magnet?
Gold ring,
Iron nail,
Glass vase,
Cotton t-shirt
Iron nail
500
Kim mixed hydrogen peroxide and yeast together and noticed the outside of the beaker is getting warmer. Should she describe this as a physical change or chemical change?
Chemical change
500
A doctor notices that Justin has longer vocal cords than Mike. Who has a lower pitched voice?
Justin
500
Karen put lots of fluffy insulation in her attic the keep her house cool in the summer. Mary says that fluffy insulation will actually maker her house hotter because fluffy blankets make her hot. Who is correct?