Rachel-3rd Grade Science Part 1: Nature of Science

Question 1

Scientific word for the question?

Answer 1

Problem

Question 2

Something asked in order to find out something?

Answer 2

Question

Question 3

Prediction about what you think will happen?

Answer 3

Hypothesis

Question 4

To state what you think will happen based on observations?

Answer 4

Predict

Question 5

To observe and experiment using the process skills to find the answer to the problem?

Answer 5

Investigate

Question 6

Using the 5 senses to find out about objects and events?

Answer 6

Observing

Question 7

Using appropriate units to determine length, area, volume, time, weight, and temperature?

Answer 7

Measuring

Question 8

A test or trial carried out under controlled conditions?

Answer 8

Experiment

Question 9

Any factor that can change in an investigation to affect an outcome?

Answer 9

Variable

Question 10

Something obtained by investigation?

Answer 10

Results

Question 11

What you learned from y our investigation?

Answer 11

Conclusion

Question 12

Doing an experiment over and over again?

Answer 12

Repeated Trials

Question 13

The amount of matter in an object?

Answer 13

Mass

Question 14

What is the safest way to smell a chemical?

Answer 14

WAFT the odor toward you (never smell it directly)

Question 15

a) What should always be worn when experimenting with chemicals, using a heat source, or chipping objects? b) How long should you leave them on?

Answer 15

a) Goggles & Gloves b) Leave them on until all students are finished with the experiment

Question 16

Is it safe to fool around chemicals and lab equipment?

Answer 16

No.

Question 17

How do you safely dispose of solid chemicals?

Answer 17

Dispose in the trash container. Do not place them in the sink.

Question 18

How do you safely dispose of liquid chemicals?

Answer 18

Turn on cold water. Slowly pour chemicals into sink. Flush with cold water for at least 30 seconds.

Question 19

What tools are used to observe objects or organisms too small to see with the eye?

Answer 19

Microscopes and Discovery Scopes

Question 20

What tool makes things appear larger?

Answer 20

A hand lens or magnifying glass

Question 21

What is a closed container holding a small, model ecosystem?

Answer 21

Terrarium

Question 22

What is a model habitat for water dwelling animals such as fish or frogs that usually includes the plants that would be in that ecosystem?

Answer 22

Aquarium

Question 23

What is a tool used to find direction?

Answer 23

Compass

Question 24

What type of safety equipment is used to protect the eyes?

Answer 24

Goggles

Question 25

What can be used to measure how much time it takes to do something?

Answer 25

Timer

Question 26

What tools have a pulling force called magnetism?

Answer 26

Magnets

Question 27

What are used to hold liquids in a laboratory?

Answer 27

Beakers and Flasks

Question 28

What can be used to safely collect insects?

Answer 28

Collecting Net

Question 29

Name two tools is used to measure length?

Answer 29

Rulers & Meter Sticks

Question 30

What is a tool used to measure mass?

Answer 30

Pan Balance

Question 31

What is used to measure volume?

Answer 31

Graduated Cylinder

Question 32

What is the bottom of the liquid line on a graduated cylinder called?

Answer 32

Meniscus

Question 33

What tool is used to measure temperature?

Answer 33

Thermometer

Question 34

What is used to measure the amount of force needed to move an object?

Answer 34

Spring Scale

Question 35

What is it called when you group objects according to similarities and differences?

Answer 35

Classifying

Question 36

What is the measurement system used by most countries of the world?

Answer 36

Metrics

Question 37

About how wide is your little finger?

Answer 37

1 Centimeter

Question 38

What is 100 cm equal to?

Answer 38

1 Meter

Question 39

What is 1,000 meters equal to?

Answer 39

1 Kilometer

Question 40

What is 1,000 grams equal to?

Answer 40

1 Kilogram

Question 41

A push or a pull is?

Answer 41

Force

Question 42

A change in position is?

Answer 42

Motion

Question 43

A force that keeps touching objects from sliding past each other?

Answer 43

Friction

Question 44

What is the force that can pull (attract) or push (repel) objects made of iron or steel is?

Answer 44

Magnetism

Question 45

What is the measurement of the force of gravity pulling on an object?

Answer 45

Weight

Question 46

What is the measure of how fast something moves over a certain distance is?

Answer 46

Speed

Question 47

What is the measure of force that it takes to move an object a certain distance?

Answer 47

Work

Question 48

What is a tool that helps people do work?

Answer 48

Simple Machine

Question 49

What unit of measure is used to measure force?

Answer 49

Newtons

Question 50

What is the force that pulls things to Earth?

Answer 50

Gravity

Question 51

What holds the planets in orbit?

Answer 51

The sun's gravity

Question 52

How do you reduce Friction?

Answer 52

By using a smoother surface, adding wheels to a heavy object, or putting oil on parts to make them more slippery

Question 53

What is the space around a magnet where the force of magnetism acts called?

Answer 53

Magnetic Field

Question 54

On a magnet, where is the magnetic force the strongest?

Answer 54

Near the poles or ends

Question 55

Forces that draw objects toward each other are said to what?

Answer 55

Attract

Question 56

Forces that push objects away from each other are said to what?

Answer 56

Repel

Question 57

Will like poles of two magnets attract or repel each other?

Answer 57

Repel

Question 58

Will opposite poles of two magnets attract or repel each other?

Answer 58

Attract

Question 59

What is a bar that moves on or around a fixed point called?

Answer 59

Lever

Question 60

What is a simple machine made of a flat surface set at an angle to another surface?

Answer 60

Inclined plane (ramp)

Question 61

What is an inclined plane wrapped around a center pole?

Answer 61

Screw

Question 62

What is a simple machine made up of a large wheel attached to a smaller wheel or rod?

Answer 62

Wheel and Axle

Question 63

What is a simple machine made up of rope or chain and a wheel around which the rope fits?

Answer 63

Pulley

Question 64

What is a machine made up of two inclined planes placed back-to-back that is usually used for cutting or piercing?

Answer 64

Wedge

Question 65

If the fulcrum and load are far apart with it take less or more force to lift a load?

Answer 65

More

Question 66

If the fulcrum and load are close together will it take less or more force to lift the load?

Answer 66

Less