build it
Word Bank: sticky • magnetic • shiny
Zaria is building a small wall. She adds wet clay between the blocks so they stick together.
The clay is useful because it is __________ and helps hold the blocks together.
sticky
Nia combines a soft cloth with waterproof plastic to make a picnic mat.
The cloth makes the mat __________ to sit on.
Word Bank: soft • magnetic • heavy
soft
Word Bank: push • pull • gravity
When Josiah moves a shopping cart away from his body, he is using a __________.
push
Word Bank: magnetism • flexibility • mass
A magnet can pull some metal objects without touching them. This force is called __________.
magnetism
Maya drops a pencil from her desk. It falls toward the floor.
Which force caused the pencil to fall?
A. Magnetism
B. Gravity
C. A push
D. A pull from her hand
B. Gravity
Kameron is building a ramp for heavy toy trucks. He needs a material that will not bend easily when the trucks roll over it.
Which material would be BEST?
A. Thin paper
B. Soft fabric
C. Thick wood
D. Plastic wrap
C. Thick wood
Angel is making a container that needs to keep water from leaking out.
Which material would be MOST useful to add?
A. Tissue paper
B. Plastic
C. Cotton
D. Cardboard
B. Plastic
Kayla opens a drawer by moving it toward herself.
Which force is Layla using?
A. Gravity
B. Magnetism
C. Push
D. Pull
D. Pull
Isabella holds a magnet near a paper clip. The paper clip slides toward the magnet even though they have not touched.
What caused the paper clip to move?
A. A contact push
B. A magnetic pull at a distance
C. A gravity push
D. A contact pull
B. A magnetic pull at a distance
Word Bank: contact • magnetic • gravity
Forces that happen when two objects touch each other are called __________ forces.
contact
Amelia wants to build a tall tower. She has two materials:
Which choice BEST explains why Material Y should be used for the bottom of the tower?
A. It can bend when the tower moves.
B. Its properties can help make the base strong and stable.
C. It is heavier, so it will make the top easier to move.
D. Its properties will make the tower float.
B. Its properties can help make the base strong and stable.
Juliana is building an outdoor shelter for a small toy animal. The shelter needs to be strong AND keep rain out.
Which TWO materials would work best together?
A. Strong wooden pieces
B. Thin tissue paper
C. Waterproof plastic
D. Cotton balls
E. Dry leaves
A. Strong wooden pieces
C. Waterproof plastic
Which TWO situations show a contact force?
A. Ava kicks a soccer ball.
B. A paper clip moves toward a magnet.
C. Earth pulls a dropped pencil downward.
D. Noah pulls a backpack across the floor.
E. Two magnets push apart without touching.
A. Ava kicks a soccer ball.
D. Noah pulls a backpack across the floor.
Micah brings two magnets close together. The magnets move away from each other without touching.
Which statement BEST describes what happened?
A. A magnetic push acted at a distance.
B. A contact push acted on the magnets.
C. Gravity pulled the magnets apart.
D. A magnetic pull acted through contact.
A. A magnetic push acted at a distance.
Andre wants to make a seat for his treehouse.
Part A: Which material would BEST support his weight?
A. Thin cardboard
B. Thick wooden board
C. Cotton fabric
D. Plastic wrap
Part B: Which property BEST justifies your answer?
A. It is strong and rigid.
B. It is soft and flexible.
C. It is shiny.
D. It can fold easily.
PA: B. Thick wooden board
PB: A. It is strong and rigid.
Which material is best, and why?
Cardboard: light and flexible
Wood: hard and strong
A. Cardboard because it bends easily
B. Wood because it is hard and strong
C. Cardboard because it is light
D. Wood because it is heavy
B. Wood because it is hard and strong
Malachi needs a strong toy car ramp.
Which material is best, and what force starts the car?
A. Foam + pull
B. Wood + push
C. Tissue + gravity
D. Cotton + magnetism
B. Wood + push
Angela rolls a ball across the floor by pushing it with her hand.
Which statement BEST explains the force?
A. The force acts at a distance because Angela's hand moves.
B. It is a contact force because Angela's hand touches the ball.
C. Gravity pushes the ball across the floor.
D. Magnetism pulls the ball away from Angela's.
B. It is a contact force because Angela's hand touches the ball.
Harper has two bar magnets. She turns the magnets so different ends face each other and records whether they pull together or push apart.
What is Harper MOST LIKELY investigating?
A. Whether the mass of a magnet changes its color
B. How different ends of magnets interact
C. Whether gravity can make magnets float
D. Which magnet has the smoothest surface
B. How different ends of magnets interact
Three things happen on the playground:
Which statement is correct?
A. All three forces require objects to touch.
B. Only gravity is a contact force.
C. Naomi's push is a contact force, while gravity and magnetism can act at a distance.
D. Magnetism is a contact force, while Naomi's push acts at a distance.
C. Naomi's push is a contact force, while gravity and magnetism can act at a distance.