KR Science

What is the speed of a car that went a distance of 246 km in 3 hours?

• d/t

• d/s

• s x t

If a car travels 400 m in 20 seconds, how fast is it going?

• 20 m/s

• 2 m/s

• 32 m/s

Tags

NGSS.MS-PS3-1

Mike is running at a pace of 8 m/s for 8 seconds. What distance did he cover in 8 seconds?

• 64 m

• 1 m

• 8 m

• 24 m

Tags

112.38.c.4.B

Kermit rides his bike at a constant speed of 12 miles per hour. How long will it take him to travel 24 miles?

• 12 miles per hour

• 6 hours

• 2 hours

• 24 miles

Tags

112.38.c.4.B

A man runs a marathon at 8 mph. The course is 32 miles. How long did it take him?

• 4 h

• 128 h

• 50 h

Tags

112.38.c.4.A

112.38.c.4.B

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

How many Aluminum are in Al₂O₃?

• 3
• 2
• 5

Tags

NGSS.MS-PS1-1

How many Elements are in the compound C₂H₈O ?

• 2
• 1
• 3
• 0

Tags

NGSS.MS-PS1-1

How many atoms of Hydrogen are in this compound

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1