True or False.
All objects that weigh less will float.
False
Some light objects will sink. Like a person, a marble, etc.
100
Does density affect buoyancy?
Yes. Objects that are more dense will sink and objects that are less dense will float.
100
What are the 3 states of matter?
Solid, Liquid, Gas
100
What property can you change to make a sinking object float?
Shape
100
Do crickets go through a complete or incomplete metamorphosis?
Crickets go through an incomplete metamorphosis:
-does NOT go through a dramatic change
-only 3 stages. NOT 4
200
True or False
Buoyancy is a force that pushes objects up in air.
False
Buoyancy is a force that pushes objects up in liquids.
200
Objects that are more dense than the water will....
Objects that are less dense than the water will...
Sink.
Float.
200
Find a solid in this classroom.
various answers.
200
Find an object in the room that is smooth, black and opaque.
Fridge, Table, Keyboard/Mouse, etc.
200
Is a cricket an insect?
Yes.
1. Has 6 legs
2. Head, Thorax, Abdomen
3. 2 Antennas
4. Exoskeleton
300
If Ms. Anjos dropped an object in liquid and it sank. Which force is stronger?
Gravity
300
Do liquids affect an objects buoyancy?
Yes. Sometimes an object might float in water but sink in dish soap. This is because liquids have different densities.
300
What is one way that a liquid is different than a gas?
-can see a liquid, can't see gas
*can feel liquid
-liquid has a definite volume and gas does not have a definite volume
300
Find an object that is transparent in the room.
Windows, door, etc.
300
Name one way a cricket is adapted to survive in its environment.
various answers may include:
Antennas--allow it to touch and feel
Jumping Legs---allow it to escape from predators
Wings---fly away from predators
Compound eyes----allow it to see
400
Ms. Anjos said that all objects that are more dense will sink. Do you agree or disagree with her?
Agree. with valid evidence.
400
When I was washing dishing, I tripped and dropped my banana into the sink and it sank. What could I do to make my banana float next time? Why would this worK?
Take off the banana peel. This would make it less dense.
400
What can we do to change a liquid into a solid?
Freeze it
400
What property did I sort my buttons by?
Size. Big and Small
400
What do crickets eat?
Crickets are omnivorous scavengers. They eat plants and dead crickets and plants.
500
Ms. Toure said that all things that are small will float. Do you agree or disagree with her?
Disagree with valid evidence.
500
When I placed a marble into water it sank but when I placed it into oil it floated. Why did this happen?
This happened because the oil was more dense than the water. Liquids have different densities.
500
Which state of matter has no definite shape and no definite volume?
Gas
500
Sort your team members into two groups.
various answers.
Boy/girl
age
hair/no air
earrings/no earrings
ethnicity, etc.
500
What would happen to the population of mice, if the population of mealworms decreased?
The population of mice would decrease. Mice eat mealworms so they would die because they wouldn't have any food to eat.