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WorksheetsDimension Science 4 - Unit 2 PreTest
Total questions: 20
Worksheet time: 7mins
Desmond kicks a football toward a goal. Which two measurements does he need to know the speed of the ball?
weight and time
time and distance
direction and weight
distance and direction
Which picture shows a pattern of back-and-forth motion?
Josh built a watering system for his plants. Water is not reaching plant 3. Where is the
watering system broken?
1
2
3
4
Some of the first car tires were very thin. Cars with these thin tires would slide off the road in rainstorms. New, bigger tires were made, as shown in the picture.
What are the likely reasons for the change in the tire design?
People wanted safer tires.
People wanted tires that could stay on wet roads.
Car companies wanted nicer-looking tires on the cars.
Bob is studying static electricity. He held a
glass rod over pieces of paper. These pictures show what
happened with the rod and paper.
Choose correct statement that describe the force showed in each picture.
A - Strong force, B - Weak force
A - Weak force, B - Strong force
Kim is studying magnets. She wrote down some of what she learned. Complete her table.
Write the letters in the empty boxes in order from top to bottom and left to right to correctly complete the table. Some letters will not be used.
(The answer must be written in the right format, such as ABC)
(a)
Which sentence describes zero net force?
a book sitting on a desk
a leaf falling from a branch on a tree
a girl putting on the brakes on her bike
a truck speeding up to get on the highway
Jim wants to show his classmates balanced and unbalanced forces. He will use a small
seesaw and wooden blocks made of the same type of wood.
Write the correct letters in in order from top to bottom to show the steps Jim should follow. Not all of the
letters will be used.
(The answer must be written in the right format, such as ABC)
(a)
The diagram shows a crane picking up pieces of iron.
Which problem is being solved by the use of a magnet in this picture?
how to build tall houses
how to make iron magnetic
how to move heavy pieces of iron
how to hold a crane and iron pieces
together
Gina is studying static electricity. Which question will help her the most?
Which materials are attracted to magnets?
How big should magnets be to attract each other?
Do objects have to touch to transfer static electricity?
Is static electricity the buildup of electricity in an object?
Which picture shows Car 1 having the greater force?
Which picture shows the strongest magnetic attraction?
Larry spilled a box of metal tacks in the tall grass. He wants to pick them up before anyone steps on them. The solution should cost less than $20. Which of these is the best solution for Larry's problem?
Which picture shows movement by pulling?
Kate placed a ball at the end of Ramp A. She rolled the toy car down the ramp. In which picture are the arrows showing the actions of the toy car and ball?
Jack was riding his bike up a hill. When he started riding down the hill he noticed that he did not have to pedal as many times. Why did Jack not have to pedal as many times?
He sped up as he went down the hill.
He slowed down as he went down the hill.
His speed stayed the same as he rode down the hill.
He started shaking side to side as he rode down the hill.
Whitney wants to know what would happen to her domino set after she pushes over the first domino.
Which picture shows the most likely result after Whitney pushes over the first domino?
Which picture shows an object moving in an unpredictable pattern?
Stacy observed the blades of a fan spinning. She noticed one blue blade on the fan each time it went around. What are some other observations that Stacy likely made about the fan?
Circle the letters of all the correct responses.
If the fan turns off, the blue blade will stop moving.
If the fan turns off, the blue blade will keep spinning.
If the fan is turned to low, the blue blade will go around faster.
If the fan is turned to low, the blue blade will go around slower.
Jack used a seesaw to show balanced forces. He placed a brick on Side 1 as shown.
What was likely his second step?
Place two larger bricks on Side 2.
Add a smaller brick to both sides.
Place an identical brick on Side 2.
Add a second identical brick on Side 1.
