Vocabulary
Sink and Float
Charts
States of Matter
100
This is an animal that eats other animals.
Predator.
100
What force causes objects to float in a liquid?
Buoyancy.
100
Jaylen did a test to find out whether his new pet preferred light or dark. He recorded his data in the table below:
What kind of habitat does Jaylen's new pet prefer?
| Time | Result |
| 30 sec | light |
| 1 min | dark |
| 1 min 30 sec | light |
| 2 min | dark |
| 2 min 30 sec | dark |
| 3 min | dark |
What kind of habitat does Jaylen's new pet prefer?
Jaylen's new pet prefers a dark habitat.
100
What are the three states of matter?
Solid, liquid, gas.
200
This is an organism that uses the sun's energy to produce its own food.
Producer.
200
What force causes objects to sink in a liquid?
Gravity.
200
Mischa tested bridges with cylindrical beams of three different diameters to find out which one holds the greatest load. She recorded her data in the table below:
Which bridge is the strongest? Why?
| Beam | Diameter | Load |
| A | 24 cm | 15 grams |
| B | 18 cm | 30 grams |
| C | 6 cm | 45 grams |
Which bridge is the strongest? Why?
Bridge C. The smaller the beam's diameter, the more weight it can hold.
200
What state of matter is the ice in the glass?
Solid
300
Define "reproduction".
The biological process of making more organisms.
300
This rubber ducky is labeled incorrectly. Relabel the forces at work on the duck with the correct scientific terms.
Up arrow=?
Down arrow=?
Up arrow=?
Down arrow=?
Up arrow = buoyancy
Down arrow = gravity
Down arrow = gravity
300
Khayla dropped some objects into a cup of water to find out if they floated.
Which objects are more dense than water?
| Object | Sink or Float |
| pennies | sink |
| sponge | float |
| marble | sink |
| crayon | sink |
| ping pong ball | float |
Which objects are more dense than water?
The pennies, the marble, and the crayon are more dense than water because they sank.
300
These tiny particles are what all matter is made of.
Molecules
400
Define "adaptation".
A body part or behavior that allows an organism to survive in its environment.
400
Which factors determine whether an object will sink or float?
A. size and mass
B. shape and density
C. mass and density
D. size and shape
A. size and mass
B. shape and density
C. mass and density
D. size and shape
B. shape and density
400
Dane examined four organisms to find out whether or not they were insects. His data is in the table below:
Which organisms are insects?
| Organism | Antennae | 6 legs | Exoskeleton | 3 body segments |
| Ant | X | X | X | X |
| Scorpion | X | |||
| Grasshopper | X | X | X | X |
| Krill | X | X |
Which organisms are insects?
The ant and the grasshopper are insects.
400
A cup of water that freezes and becomes ice is an example of
A. Liquid turning into solid
B. Solid turning into liquid
C. Liquid turning into gas
A. Liquid turning into solid
B. Solid turning into liquid
C. Liquid turning into gas
A. Liquid turning into solid.
500
This word means "to change form." It appeared in both our Crickets and Rocks and Minerals units!
Metamorphosis
500
Taj tried mixing oil and water, but instead of mixing with the water, the oil floated on top of the water. Which liquid is more dense?
Water.
500
Look at the table below:
Which insects are predators?
| Organism | Diet |
| butterfly | nectar |
| ant | cicada |
| katydid | leaves |
| praying mantis | moth |
| beetle | oats |
Which insects are predators?
The ant and praying mantis.
500
Label the states of matter represented in the jars below.
1. Gas
2. Liquid
3. Solid
2. Liquid
3. Solid