FORCE AND ENERGY

CATEGORY-1

100

Which question would be the BEST, high-level, and TESTABLE scientific question?

A. How many giraffes live in Africa?

B. How long ago did dinosaurs live on the Earth?

C. Does the amount of salt in water affect the temperature at which it boils?

D. Who made the first microscope?

C. Does the amount of salt in water affect the temperature at which it boils?

200

Which force is a noncontact force?

 A. elastic force

 B. frictional force

 C. electrostatic force

 D. tension force

 

C. electrostatic force

300

Some forces act at a distance and thus do not require _______.

 A. energy

 B. force

 C. contact

 D. effort

C. contact

400

What are the two main types of energy?

A. Gravity

B. Hydropower

C. Potential

D. Kinetic

E. electrical

C and D

500

A type of friction that occurs when air pushes against a moving object causing it to decelerate.

A. air resistance

B. surface area

C. velocity

D. gravity 

A. air resistance

CATEGORY-2

100

If thermal energy is added to matter, the particles move _________, and the matter feels _________.

A slower; warmer

B faster; colder

C slower; colder

D faster; warmer

D

200

Friction acts in a direction __________ to the direction of the object’s motion.   

A. The Same Direction

B. Opposite

C. Parallel Directions

D. Side By Side

B. Opposite

300

The two factors that determine kinetic energy are ____________________________ & ____________________________. 

A. mass and velocity

B. height and gravity

C. gravity and velocity

D. mass and height

A. mass and velocity

400

An archer's bow with the string pulled back would be an example of

A. Gravitational potential energy

B. Elastic potential energy

C. Kinetic energy

B. Elastic potential energy

500

No one can hear you screaming in space!

A. False

B. True

B

CATEGORY-3

100

Which one is the most common type of contact force? A. gravity

B. elastic

C. tension

D. friction

C. tension

200

When plants convert the sun's energy into food, which type of energy is it?

A. thermal

B. kinetic

C. chemical

D. radiant

C. chemical

300

Which types of energy is the sum of potential and kinetic energy?

A. nuclear energy

B. mechanical energy

C. electromagnetic energy

D. electric energy

B. mechanical energy

400

Which force acts backward and prevents us from slipping on a wet floor?

A. Magnetic force

B. Frictional force

C. Electrostatic force

D. Gravitational force

B. Frictional force

500

A water tank that is kept 10 feet high has more potential energy than a tank kept at 5 feet.

A. True

B. False

A. True

CATEGORY-4

100

Electrical, gravitational, and magnetism are all ................. forces. 

A. CONTACT FORCE

B. NON-CONTACT FORCE

C. FORCES ACTING AT A DISTANCE 

B and C

200

What is the purpose of peer review in the scientific method?

A. To promote competition among scientists.

B. To ensure the quality and validity of research

C. To increase the cost of scientific research.

D. To delay the publication of research findings.

B. To ensure the quality and validity of research

300

Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it but found that the dresser would not move. What force was Leanne NOT able to overcome?

A. normal force

B. tension force

C. gravitational force

D. frictional force

D. frictional force

400

Choose all the following that are types of forces...

A. acceleration

B. gravity

C. motion

D. tension

B and D

500

Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After 3 weeks on the diet, the rats’ masses are measured again to see if there has been a decrease. What is the dependent variable in the experiment?

A. Vitamin A

B. Mass of the rats

C. 3 weeks time

B. Mass of the rats

CATEGORY-5

100

A person would weigh less on the Moon than on the Earth because . . .

A. Moon has more mass, and therefore less gravity

B. Moon has less mass, and therefore more gravity

C. Moon has less mass and therefore less gravity

D. Moon has more mass, and therefore more gravity

C. Moon has less mass and therefore less gravity

200

Simon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's INDEPENDENT Variable?

A. there isn't one

B. the type of car

C. the speed of the car

D. height of the ramp

D. height of the ramp

300

Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 

A. That Jupiter’s and Earth’s gravitational forces are equal.

B. That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.

C. That Jupiter’s gravitational force is much weaker than Earth’s gravitational force.

D. Mass has no effect on the gravitational force between two objects

B. That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.

400

In solving a problem by a scientific investigation, which of the following would be the best first step?

A. Design an experimental procedure.

B. Define the problem by asking questions.

C. Come to a conclusion based on your existing knowledge.

D. Form a large group and vote on the answer.

B. Define the problem by asking questions.

500

What skill is a scientist using when she listens to the sounds that whales make?

A. Drawing conclusions

B. Interpreting Data

C. Making a hypothesis

D. Making observations

D. Making observations