Where are we now and where might we be going

Adapting to different environments and climates

Growing wings to fly over mountains

Hibernating for many years

Living without water for months

Sailing ships using wind

Electric-powered airplanes (future tech)

Large coal-burning steamships

Solar-powered vessels

$100\text{ cm}$ in reality

$1,000\text{ cm}$ in reality

$100,000\text{ cm}$ in reality

$1\text{ km}$ in reality

Finding enough oxygen and food for the journey

Too many gas stations in space

The gravity of Earth being too weak

Space being too crowded with cars

Increasing the efficiency of a resource often leads to an increase in its total consumption

Walking faster always results in arriving at a destination later

The more people travel, the less they know about the world

Newer technologies are always more expensive and less efficient

The maximum population size an environment can sustain indefinitely

The total weight a person can carry while walking

The number of people a single boat could carry across the sea

The amount of water a person needs for a 100-mile journey

The current geological age where human activity is the dominant influence on climate and environment

The period of time when humans first evolved from apes

The future era when humans will live entirely on other planets

The ancient era when humans first discovered agriculture

By increasing the number of cars on the road.

By reducing greenhouse gas emissions and improving public health through active transport.

By banning all movement between cities.

By building more airports.

The ability of a surface to absorb sound; it helps in hearing predators.

The percentage of solar radiation reflected by a surface; high albedo can cause snow blindness.

The roughness of the surface; it determines friction for walking.

The density of the surface; it determines if the traveler will sink.

The cost of making shoes.

The inequality between those who can afford enhancements and those who cannot.

The color of the technological implants.

The speed of the internet used for the implants.

Kilometers

Meters

Micrometers

Nanometers

Kilo-

Mega-

Giga-

Micro-

Increasing uncertainty

Decreasing measurement speed

Improving precision and accuracy

Changing the physical property being measured

How small the markings on a tool are

How close a measurement is to the true value

How many times you repeat the test

The weight of the tool

One tenth

One hundredth

One thousandth

One millionth

Changing all variables at once to see what happens

Changing only one independent variable while keeping others constant

Allowing the temperature to change randomly

Using different instruments for each measurement trial

$350$

$3,500$

$35,000$

$350,000$

How much gold is in the universe?

What is the ultimate fate and age of the universe?

When will the next solar eclipse happen?

How fast does light travel in a vacuum?

$0.2^{\circ}C$

$0.512^{\circ}C$

$2.0^{\circ}C$

$0.02^{\circ}C$

It is the temperature where water freezes.

It is the theoretical temperature where all molecular motion ceases.

It is the temperature of outer space.

It is the lowest temperature ever recorded on Earth.

Celsius

Fahrenheit

Kelvin

Rankine

350 m

3,500 m

35,000 m

3.5 m

5 kg

0.5 kg

0.05 kg

50 kg

1,000 minutes

600 minutes

100 minutes

3,600 minutes

$1.2\text{ seconds}$

$12\text{ seconds}$

$72\text{ seconds}$

$120\text{ seconds}$

$500\text{ m}^2$

$5,000\text{ m}^2$

$50,000\text{ m}^2$

$500,000\text{ m}^2$

$0.155\text{ km}$

$0.0155\text{ km}$

$0.00155\text{ km}$

$0.000155\text{ km}$

$4,200,000\text{ km}$

$42,000\text{ km}$

$420,000\text{ km}$

$4,200\text{ km}$

$0.5\text{ m}^2$

$0.05\text{ m}^2$

$5\text{ m}^2$

$50\text{ m}^2$

$2.88\text{ mm/day}$

$0.288\text{ mm/day}$

$28.8\text{ mm/day}$

$0.0288\text{ mm/day}$

$15 \text{ cm}$

$150 \text{ cm}$

$1500 \text{ cm}$

$0.15 \text{ cm}$

Run in the lab to finish quickly

Always wear safety goggles when heating liquids

Taste chemicals to identify them

Keep the workspace messy

Add $0.2$: $5.8 \text{ g}$

Subtract $0.2$: $5.4 \text{ g}$

Multiply by $0.2$

The reading is correct as $5.6 \text{ g}$

$1 \text{ mL}$

$2 \text{ mL}$

$5 \text{ mL}$

$0.5 \text{ mL}$

A larger beaker with a scale

An overflow (Eureka) can and a measuring cylinder

A ruler to measure the rock's length

A triple beam balance

Meter

Second

Liter

Kilogram

Use a rigid meter ruler

Use a thread to follow the curve, then measure the thread with a ruler

Use a protractor

Estimate the length by looking

$5.57 \pm 0.01\text{ g}$

$5.6\text{ g}$

$5.570\text{ g}$

$5.5\text{ g}$

The largest value an instrument can measure.

The average of all the marks on a scale.

The magnitude of the smallest unit that can be measured by an instrument.

The error margin provided by the manufacturer.

Random error

Systematic error

Human error

Parallax error

Periodic motion

Oscillatory motion

Rectilinear motion

Random motion

$1 m/s$

$1 km/h$

$1 km/min$

$1 m/min$

Translatory motion

Circular motion

Rotational motion

Periodic motion

Uniform

Non-uniform

At rest

Circular

Rectilinear and Curvilinear

Rotational and Circular

Periodic and Non-periodic

Oscillatory and Vibratory

$5\text{m}$

$1\text{m}$

$7\text{m}$

$12\text{m}$

Rectilinear motion

Curvilinear motion

Random motion

Periodic motion

Constant velocity motion

Uniformly accelerated motion

Random motion

Periodic motion

$2 \text{ m/s}$

$0.4 \text{ m/s}$

$0.8 \text{ m/s}$

$1.2 \text{ m/s}$

You are experiencing Centripetal Acceleration toward the center, which changes your velocity's direction.

You are in linear motion and the floor is moving away from you.

You are experiencing random motion due to the wind.

Your displacement is increasing exponentially.

Lower speed

Higher speed

No speed

Constant time

$7.5 \text{ m}$

$30 \text{ m}$

$17 \text{ m}$

$13 \text{ m}$

The highest speed reached

The speed at the exact middle of the journey

The total distance divided by total time

The lowest speed reached

$3 \text{ m/s}$

$0.83 \text{ m/s}$

$3000 \text{ m/s}$

$50 \text{ m/s}$

$5 \text{ m/s}$

$0.3 \text{ m/s}$

$300 \text{ m/s}$

$12 \text{ m/s}$

$20 \text{ m/s}$

$2000 \text{ m/s}$

$10 \text{ m/s}$

$2 \text{ m/s}$

$60 \text{ m}$

$90 \text{ m}$

$120 \text{ m}$

$45 \text{ m}$

$8\text{ m}$

$16\text{ m}$

$12\text{ m}$

$4\text{ m}$

$4.5\text{ km/h}$

$6\text{ km/h}$

$7.5\text{ km/h}$

$12\text{ km/h}$

$48\text{ km}$

$72\text{ km}$

$60\text{ km}$

$50\text{ km}$

$80 km$

$20 km$

$40.5 km$

$39.5 km$

Mass

Volume

Speed

Weight

$2000 km/h$

$500 km/h$

$1002 km/h$

$998 km/h$

Use a longer distance

Use a light gate and computer

Estimate the time

Blink during the measurement

The object is moving infinitely fast (impossible).

The object is stationary.

The object is moving at a constant speed.

The object is accelerating.

$2 \text{ m/s}$

$4 \text{ m/s}$

$1 \text{ m/s}$

$8 \text{ m/s}$

Speed-time graph: horizontal line at $20$, then diagonal down to $0$.

Distance-time graph: horizontal line at $20$, then diagonal down to $0$.

Speed-time graph: diagonal up to $20$, then horizontal.

Distance-time graph: diagonal up, then horizontal.

A single straight line.

Two straight lines with the second being steeper than the first.

Two straight lines with the first being steeper than the second.

A horizontal line followed by a vertical line.

Constant acceleration.

Increasing acceleration.

Decreasing acceleration.

Constant speed.

Horizontal line on speed-time

Diagonal line with negative gradient on distance-time

Curve on distance-time

Diagonal line through origin on speed-time