Conversions
15 mm to cm
1.5 cm
A car travels 100 meters in 5 seconds.
20 m/s
A car moves at a speed of 10 m/s for 5 seconds.
50 m
What gas do humans breathe in to stay alive?
Oxygen
What is the center of an atom called?
nuclues
24 dm to um
2.4 x 106
A cyclist rides 600 meters in 2 minutes.
5 m/s
A runner maintains a speed of 6 m/s for 3 minutes.
How far does the runner travel in meters?
1,080 m
What planet is known as the Red Planet because of its iron-rich soil?
Mars
What is the process called when a solid turns into a liquid?
melting
1260 km to mm
1.26 x 109 mm
A runner completes a 1.2 km race in 4 minutes.
5 m/s
A cyclist rides at 12 m/s for 8 minutes.
How far does the cyclist travel in kilometers?
5.75 km
Lightning is a sudden flow of what?
Electric Charge
Which cell organelle is known as the “powerhouse of the cell” because it produces energy?
mitochandria
what is the area of a rectangle that is 9.8 cm by 6.3cm? Convert that area from cm2 to dm2
0.6174 dm 2
A train travels 120 kilometers in 2 hours.
16.7 m/s
A train travels at 90 km/h for 25 minutes.
How far does it go in kilometers?
37.5 km
What force keeps us on the ground and causes objects to fall?
gravity
Name the organelle that contains DNA and controls the cell’s activities.
nucleus
What is the volume of a box that is 2m by 16m by 3.7m? Convert that volume from m3 to cm3
118,400,000 cm3
An airplane flies 450 miles in 1.5 hours.
Find its speed in kilometers per hour (km/h).
1 mile = 1.6 km
480 km/h
An airplane flies at 250 m/s for 2 hours.
How far does it travel in kilometers?
1,800 km
What type of energy is stored in food and released when we eat it?
Chemical energy, or glucose
An atom has 12 protons, 12 neutrons, and 10 electrons.
What is the atomic number of this atom?
What is the mass number of this atom?
Is this atom positively or negatively charged, and by how much?
atomic number = 12
Mass number = 24
Charge = +2 (more protons then electrons)