Nature of Science
A student observes children choosing activities during recess. The student records the number of times the children choose each activity. The observations are shown in the table below.
Observations of Activities Chosen
Activity Number of times
Soccer 4
Tag 9
Swings 6
Slides 11
Based on the chart, which activity are children LEAST LIKELY to choose during recess?
Soccer
When light strikes a dark object, it is taken in. What is the term for when light is taken in?
Absorb
True/False
All stars are the same size.
False
A bell ringing is an example of what type of energy?
Sound Energy
True/False
Gravity cannot be overcome.
False
Which statement demonstrates the most scientific OBSERVATION?
A. The water is changing
B. The flame is causing a change.
C. Bubbles are forming and rising
D. Steam forms when water gets hot.
C. Bubbles are forming and rising
Light bends (refracts)
Why does the Sun appear larger than other stars in the sky?
The Sun appears larger than other stars because it is the closest star to Earth.
A fan blade moving is an example of what type of energy?
Mechanical Energy
When the bottom of a shoe rubs against the ground as a person walks, what is being produced?
A. Light
B. Heat
C. Sound
D. Water
B. Heat
Maria is investigating how different balls bounce on a hard surface. She makes the following observations.
1. The balls are made of rubber, foam, and plastic.
2. The rubber ball bounces 15 centimeters higher than the foam ball.
3. The plastic ball bounced to a height of 42 centimeters.
4. The foam ball looks more colorful than the other balls.
Which of the statements above count NOT be used as evidence in her investigation?
4. The foam ball looks more colorful than the other balls.
In science class, Ms. Lopez is using a flashlight during her investigation. What will happen when Ms. Lopez shines the light at a piece of aluminum foil?
A. The light will pass through the foil.
B. The light will be reflected back.
C. The light will disappear.
D. The foil will absorb all the light.
B. The light will be reflected back.
Why does the air feel cooler when you stand in the shade on a sunny day?
A. The shade blocks the wind.
B. The sun’s energy is blocked by the shade.
C. The ground stops moving in the shade.
D. The moon cools the air.
B. The Sun's energy is blocked by the shade.
A candle gives off what TWO types of energy?
Light and Heat Energy
Which of the following is an example of an object overcoming gravity?
A ball falling off a table
A rocket shooting into space
A snowball rolling down a hill
A balloon dropping from the sky.
A rocket shooting into space.
In science, we often gather information with our senses by watching, listening, smelling and touching. For example, you may record how the color of a flower changes. What is this process?
Making Observations
Light travels in a __________ line until it comes in contact with an object or substance.
Straight
Why does the pavement on the playground get so hot during the day?
A. People running on it heats the pavement.
B. Wind moving across it heats the pavement.
C. Energy from the moon heats the pavement.
D. Energy from the sun heats the pavement.
D. Energy from the sun heats the pavement.
Energy is necessary to cause motion or change. Which of the following examples demonstrates that?
A. A cave is pitch black.
B. A ball sits on the ground.
C. A water wave reaches the shore.
D. A wire is missing from a light switch.
C. A water wave reaches the shore.
When your hands feel cold, rubbing them together very quickly can make the skin feel warm briefly. Why does rubbing the hands together make them warm?
Friction
How would a scientist use the word energy in a sentence.
Answers will vary
Write an example of light being absorbed.
Answer will vary.
Susie looks at the stars in the night sky. Some stars look smaller than the other stars. Why might the stars look smaller than the others?
The stars are far away from Earth.
On a hot day you take a popsicle outside. What energy causes the popsicle to change its state of matter?
Heat energy is causing the ice cream to melt.
Give an example of gravity being overcome.
YOU CANNOT USE ROCKET AS AN EXAMPLE.