Nature of Science
Gravity
Points of Light
Lost Energy
Mixed
100
what does this tool measure
mass
100
What force pulls everything toward the center of the Earth?
Gravity
100
What is the biggest and brightest object we see in the sky during the day?
The Sun
100
What is the main source of heat and light for Earth?
The Sun
100
Which direction does gravity pull?
down
200
What is an educated guess based on observations called?
inference
200
What Objects are Affected by Gravity?
Everything is affected by gravity!
200
What two things can make a star look brighter than another?
Its size and how close it is to Earth
200
What happens to the Sun’s energy when it’s blocked by clouds?
It gets cooler or darker on Earth
200
What tool helps scientists study faraway stars?
A telescope
300
What does this tool measure?
volume
300
What is one way humans have learned to overcome gravity and travel upward?
Using rockets or airplanes
300
What is our Sun
a star
300
What happens to objects left in direct sunlight?
they get warmer
300
Sarah uses a string to hang a thermometer outdoors in the shade. What will the thermometer measure?
the temperature of the air
400
What is the most important reason for keeping records during a science investigation?
To show what happened and share the results with others
400
If a baseball is thrown into the air, the force of gravity will _________________.
pull it back to Earth
400
Why can we not see other stars during the day?
Because they are far away
400
What do plants use sunlight for?
To make food through photosynthesis
400
Why do we need the Sun to survive on Earth?
It provides energy for heat, light, and plant growth
500
Why do scientists repeat each others experiments the exact same way?
to prove their results are valid
500
Sedrick catches a baseball with his mitt before it falls to the ground.
What has Sedrick shown by catching the ball?
An object can be stopped from falling.
500
What are stars made of?
Hot, glowing gases
500
What would happen to Earth if there were no Sun?
It would be dark, cold, and life couldn’t survive
500
What color are the coolest stars?
Red