1. Review Questions for VST1

2. Stars
We learned about stars and how they are different. How are stars alike?
A. Stars are all the same distance from Earth
B. Stars are all the same color
C. Stars are all the same size
D. Stars all make their own light

3. Mrs. Keith stepped in a puddle and got her shoes wet
Mrs. Keith stepped in a puddle and got her shoes wet. She took them off before she went inside her house. One of the shoes was left in the sun and the other was left in the shade of her porch. What will she notice about the shoe that was left in the shade?
It will be drier and warmer than the shoe in the sun.
It will be drier and cooler than the shoe in the sun.
It will be wetter and warmer that the shoe in the sun.
It will be wetter and cooler than the shoe in the sun.

4. Stars
Molly went outside and realized she left her bike outside. When she went to pick it up it was wet. She decided to leave it in the sun. What happened when she came back outside?
A. The bike was cold
B. The bike was wet
C. The bike was dry
D. The bike was gone

5. The slide in her back yard receives sunlight during the day
The slide in her back yard receives sunlight during the day. When Morgan slides down the slide it hurts her legs. She notices that it does not hurt her legs when she slides down the slide at night. Why is it easier for Morgan to use the slide at night?
The slide gains heat when the sun is not present.
The slide loses heat when the sun is not present.
The moon causes the slide to decrease in temperature.
The moon causes the slide to increase in temperature.

6. Sun
The students went outside to play basketball. They found the balls all over the playground. Some of the balls were in the sun and some of the balls were in the shade. What was the difference between the balls that were in the sun and the balls that were in the shade?
A. The balls in the shade were hot and the balls in the sun were hot
B. The balls in the sun were hot and the balls in the shade were cool
C. The balls in the sun were hot and the balls in the shade were harder
D. The balls in the sun were smaller and the balls in the shade were larger

7. Sun Why are the balls in the shade cooler? A. Heat is lost
B. Heat is gained
C. Temperature increases
D. Temperature does not change

8. Mrs. Bucich uses models to teach many different things
Mrs. Bucich uses models to teach many different things. What is true about all models.
Models are used to explain how something works.
Models are used to show every detail of the real object.
Models are always smaller than the real object.
Models show only things that cannot be observed in real life.

9. Stars
Stars look very small in the sky. What makes these stars look so small?
A. Brightness
B. Size
C. Color
D. Distance

10. Why is it important that Scientists communicate new discoveries with other Scientists.
To allow other scientists to copy their data.
To make sure that other scientists do not do the same experiment.
To teach other scientists how to record data.
To allow other scientists to check their data.

11. Stars
There are 2 stars that appear in the nighttime sky. Star A is the brightest star in the nighttime sky, but Star B gives off more light. How could Star A appear brighter if Star B gives off more light?
A. Star A is larger than Star B
B. Star A is closer to Earth than Star B
C. Star A has different gases than Star B
D. Star A is a different color than Star B

12. A. Group C and D recorded the wrong time.
Each group in Mrs. Melendez’s class floats a crayon in 300mL of water at the same time. They each use stopwatches to record how long the crayon overcomes gravity before it sinks.
Overcoming Gravity
Group
Time (seconds) A 27 B C 10 D 45
Which is true:
A. Group C and D recorded the wrong time.
B. Group A and B used the same crayon.
C. The crayon for group D sinks to the bottom last.
D. The crayon for group B sinks to the bottom last.

13. What can Bailee do with her observations?
Bailee likes to walk around the neighborhood without shoes on at different times of day. She records some observations she took in the data table below.
Bailee’s Thoughts
Time of day
Observations
Morning
Ground feels warm
Noon
Ground feels very hot
Night
Ground feels cool
What can Bailee do with her observations?
A. She can explain how the rain cools the ground.
B. She can infer that the night air makes the ground hot.
C. She can compare the temperature of the grass and the trees.
D. She can predict how the ground will feel in the morning.